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Northern Virginia Regional Commission's One Region immigration study, Coronavirus (COVID-19) immigration study, and dashboard assessing the economic impact of immigrants in Northern Virginia. The report and a dashboard of key demographic and economic findings from the report are found here. Immigration Study Reports, maps, and charts are best viewed on a desktop or tablet. The Northern Virginia Regional Commission was pleased to collaborate with the Partnership for a New American Economy (NAE) and the Community Foundation for Northern Virginia on the study, One Region: Welcoming New Americans to Northern Virginia. The original study was published on March 12, 2020. It is a study of the economic impact of immigrants to the region. An addendum to the study was published on October 21, 2020 that provides immigrant data relevant to the COVID-19 pandemic crisis response . The research was conducted by NAE. NAE has undertaken similar studies throughout the United States. This One Region report dashboard summarizes and reports on immigration in the Northern Virginia region. This dashboard provides quick access to key data pieces found in the report. This One Region immigration dashboard provides data not only of the overall Northern Virginia region, but also on the localities within the region . A webinar was hosted on October 21, 2020. For copies of the presentations and video recording go to the webinar webpage. Download a copy of the original report, published March 2020 Overview of the One Region Report The One Region report is a comprehensive picture of new Americans in Northern Virginia (NOVA). It highlights the size and rapid growth in the immigrant population in the region and their impact on the local economy, including injecting more money into local businesses, property markets, and municipal budgets as consumers, homebuyers, and taxpayers. Immigrants are major contributors to Northern Virginia's (NOVA) economy as highlighted in the report. The NOVA immigrant population is diverse. These people emigrate, seeking a better life for themselves and their families. “Immigrants are a vital part of the economic and social fabric of Northern Virginia. Their success is our success, and we must continue to be a welcoming community for all to ensure our long-term prosperity,” said P. David Tarter, Chairman of the Northern Virginia Regional Commission and Mayor of the City of Falls Church. Immigrants are an indispensable part of the local Northern Virginia economy at all levels, as workers, business owners, taxpayers and consumers. Trivia: What is the foreign born share of the population in NOVA? What is the foreign born share of the population in NOVA? Source: U.S Census Bureau, 2018 American Community Survey, 5-Year Estimates. 27.6% Immigrants widen and deepen the labor market with a vast array of skills and levels of expertise. They help businesses, farms, and factories fill workforce gaps at all levels of the labor market, allowing companies to meet market demands and expand their operations, which leads to more job creation. * Except where otherwise noted, the term “immigrant” and “foreign-born” are used interchangeably throughout the NOVA Region Dashboard and in the "One Region" report. COVID-19 Addendum One Region Report Addendum on COVID-19 Response This brief provides a glimpse at the role of immigrants in Northern Virginia during the Covid-19 pandemic as well as the impact that the pandemic has had on the immigrant community. The immigrant population is especially vulnerable to gaps in our social safety nets. Understanding this population in Northern Virginia helps better inform local leaders as they aim to implement inclusive emergency response policies. The immigrant population is essential to our country’s rapid COVID-19 response efforts. Download a copy of the COVID-19 addendum report published October 2020 Data Charts and Key Findings by Report Topic (best viewed on desktop) The data is sourced from the U.S. Census Bureau American Community Survey (ACS) five-year estimates, as well as other sources. The ACS is a survey based on a sample of the population. Sample surveys include a degree of uncertainty and error in the data. The larger the population and housing units of an area or data variable, the more reliable the ACS data. The Northern Virginia regional data is more reliable than the county level data that is presented in the data charts. Users should interpret the data by keeping this in mind. Citizenship Entrepreneurship Internet Access Economy Healthcare Language Spoken Education Housing Labor Force Additional Immigrant Information (best viewed on desktop) Further information about Northern Virginia's immigrant population, from research NVRC has conducted separately from the One Region report, can be found on the People dashboard. People There is a myriad of non-governmental organizations (NGOs) that provide services to immigrants. A number of the local governments in Northern Virginia also provide links to information and services. Where to Get Help

Immigrant labor force data compiled by the Northern Virginia Regional Commission's as part of the One Region immigration study, Coronavirus (COVID-19) immigration study, and data dashboard to assess the economic impact of immigrants in Northern Virginia. Labor Force - Overall Reports, maps, and charts are best viewed on a desktop or tablet. Key Facts Labor Force - Overall Northern Virginia’s immigrant population is well-suited to maintaining and expanding the region’s labor force In Northern Virginia, immigrant entrepreneurs – those who work for their own businesses, incorporated or not – are making their mark locally. 2013 to 2017 Period Key Facts: In Northern Virginia, less than two-thirds, or 61.6 percent of the U.S.-born population are of working age — between 16 and 64 years old — the range considered to be working age by the Department of Labor. Meanwhile, more than four out of five, or 83.9 percent of the immigrant population in the region are of working age. While immigrants make up 27.4 percent of the overall population, they make up 34.0 percent of the region’s working-age population. Northern Virginia has a high percentage of immigrants, 31.8 percent, working in STEM industries compared to 22.8 percent of immigrants overall in the United States. What are the top 3 industry sectors of the U.S. Born labor force? What are the top 3 industry sectors of the U.S. Born labor force? Source: 2013-2017 American Community Survey, 5-Year Sample, downloaded from IPUMS USA, University of Minnesota, www.ipums.org . 1. Professional Services (25.4%) 2. Administration (14.7%) 3. Education ( 9.6%) What are the top 3 industry sectors of the Foreign Born labor force? What are the top 3 industry sectors of the Foreign Born labor force? 1. Professional Services (20.7%) 2. Entertainment, Arts, and Hospitality (12.1%) 3. Construction (10.8%) Source: NAE analysis of the 2013-2017 American Community Survey,5-Year Sample, downloaded from IPUMS USA, University of Minnesota, www.ipums.org ; ITEP, “Who Pays?”; Congressional Budget Office; U.S. Social Security Administration.

Immigration services and help for the Northern Virginia region. Listing of immigration services maintained by Northern Virginia Regional Commission found on NOVA Region Dashboard. Where to Get Help? Help to Immigrants There are a myriad of non-governmental organizations (NGOs) that provide services to immigrants, including refugees. A number of the local governments in Northern Virginia also provide links to information and services. Alexandria City American Civil Liberties Union - Virginia Affiliate American Red Cross Arlington County Government Ayuda CAIR Coalition CASA de Virginia Catholic Charities of the Diocese of Arlington - Hogar Immigrant Services Ethiopian Community Development Council, Inc. Fairfax County Government Just Neighbors Ministry Kids in Need of Defense (KIND) Korean Community Service Center of Greater Washington Legal AID Justice Center Literacy Council of Northern Virginia Loudoun Literacy Council Lutheran Social Services - Refugee and Immigration Services (Falls Church Office) Northern Virginia Family Services SCAN of Northern Virginia Tahirih Justice Center The National Korean American Service & Education Consortium Uceda English Institute of Virginia US Committee for Refugees and Immigrants VOICE

Internet access information compiled by the Northern Virginia Regional Commission's as part of the One Region immigration study, coronavirus (COVID-19) immigration study, and data dashboard to assess the economic impact of immigrants in Northern Virginia. Internet Access Reports, maps, and charts are best viewed on a desktop or tablet. Key Facts Internet Access Limited or no internet access at home can lead to severe economic fallout, from limiting one's ability to work remotely to hindering a small business's transition to online. Limited or no internet access at home puts children in foreign-born households at risk of falling behind as schools hold classes online due to COVID-19. 2014 to 2018 Five-Year Estimates In total, 10.1 percent of Northern Virginians report lacking wired internet access at home. Either they are without any internet access (including no mobile) or they only have mobile access. Immigrants are disproportionately affected. Without Internet Access at Home 4.0 percent of Northern Virginians report lacking access to the internet at home. 6.1 percent of foreign born in Northern Virginia report lacking access to the internet at home, compared to 3.1 percent of U.S. born. Of those without internet access at home, 42.7 percent were foreign born. The total population of Northern Virginia is 27.6 percent foreign born. This indicates that immigrants are disproportionately affected. Only Mobile Access At Home 6.1 percent of Northern Virginians report having only mobile access to the internet at home. 7.7 percent of foreign born in Northern Virginia report lacking access to the internet at home, compared to 5.4 percent of U.S. born.

Northern Virginia income, economically disadvantage populations, workforce, and more demographics, data and graphs by region and county. Analyzed by the Northern Virginia Regional Commission (NVRC). Median Household Income Overall Reports, maps, and charts are best viewed on a desktop or tablet. Median Household Income of Northern Virginia Overview Northern Virginia is known for having communities with some of the highest median incomes in the United States, including the county with the highest in the nation. High median household incomes coincide with the large, thriving business community of the Northern Virginia region. While the median household income is high, it must be recognized that there are segments of the community in need of assistance that live in this prosperous region of the country and that high housing costs offset the high income when it comes to standards of living and well-being. About the Data and Proper Data Interpretation Median household income data is sourced from the U.S. Census Bureau 2000 Census and the American Community Survey (ACS). It is important to note that any data sourced from the ACS is based on a small sample of the population of a place. Areas with smaller populations, such as the cities of Northern Virginia, may have a larger margin of error in the data due to the survey sample size being small. This is less of an issue the larger the population. The margin of error is shown in the popup that is displayed when hovering over a bar in the bar charts. If there is a large increase or decrease in the estimate from one time period to the next, and the margin of error is large and overlaps other periods, then the large change between time periods is likely due to statistical sampling error and is not considered statistically significant. In addition to the margin of error, the accuracy of the American Community Survey data for an area can be gaged by evaluating the trend. If the data has a clear trend then the data from one period to the next can be deemed reliable. Median Household Income - Current Five-Year Estimates All jurisdictions in the United States are included in the five-year American Community Survey estimates. The Median household incomes for all Northern Virginia jurisdictions are shown in this graph. The median household income of every Northern Virginia jurisdiction is higher than the Commonwealth of Virginia and the United States. Out of all 3,144 jurisdictions in the USA, four of the 12 highest ranked for median household income are in Northern Virginia, and those include Loudoun County (1st), Fairfax County (4th), Falls Church City (11th), and Arlington (12th). Northern Virginia's median household income, at an estimated $149,502 (in 2024 dollars), is higher than 11th ranked Falls Church, making Northern Virginia one of the most affluent regions of the USA. Median Household Income - Current One-Year Estimates Those jurisdictions with a population of 65,000 or more are included in the one-year American Community Survey estimates, of which there are five Northern Virginia jurisdictions. The median household incomes for the five largest Northern Virginia jurisdictions are shown in this graph. The Northern Virginia median household income for the one-year estimates is representative of the five largest jurisdictions in Northern Virginia only. The five largest jurisdictions of Northern Virginia all have incomes higher than the Commonwealth of Virginia and the United States. Out of the 850 jurisdictions with a population of 65,000 or more in the USA, three of the top twenty highest income jurisdictions are located in Northern Virginia, and those include Loudoun County (1st), Fairfax County (4th), and Arlington County (19th). The median household income of Northern Virginia's five largest jurisdiction together is estimated to be $149,502 (in 2024 dollars), making Northern Virginia one of the most affluent areas of the USA. Median Household Income - Historic Compared to Current Five-Year Estimates The Northern Virginia region's median household income had been rising since 1999 until it dropped in the 2020-2024 period. Since 1999, the greatest upward transformations in median household income, to levels well beyond inflation, have occurred in the Counties of Arlington and Loudoun. Median Household Income - Historic Compared to Current One-Year Estimates The median household income trend, for the regions large jurisdictions (population of 65,000 or more), are shown in the following graph. The Northern Virginia regional household income distribution for the one-year estimates is representative of the five largest jurisdictions in Northern Virginia only. Key Facts: There were dips in median household income in the early 2010s for some jurisdictions. The effects of the recession from 2007 to 2009 were still causing economic hardships and in 2013 there was federal sequestration when the federal government made large budget cuts. The Northern Virginia region is heavily dependent on the federal government for its economy, as indirectly indicated by the job layoffs during sequestration causing a sharp decline in household incomes. Prior to the COVID-19 pandemic, specifically from 2012 to 2019, the trend in the Northern Virginia median household income was an upward trend after adjusting for inflation. The onset of the COVID-19 pandemic in early 2020 triggered a wave of demographic and economic shifts both regionally and nationally. Between 2019 and 2023 there was a downward trend in the region's median household income after accounting for inflation. Nationally, wage growth outpaced inflation from 2019 through early 2021, lagged behind from early 2021 to mid-2023, and again began to outpace inflation from mid-2023 through 2024. Given that Northern Virginia's downward trend spanned 2019 to 2023, the steady decline is attributable primarily to underlying demographic shifts of this period rather than wages failing to keep pace with inflation. Notably, NVRC research has shown that workers retired early and many middle income office workers moved to more affordable areas as remote work surged. Between 2023 and 2024, median household income in the region increased after adjusting for inflation, similar to the national pattern of wages exceeding inflation. Policymakers have comprehensively addressed low-income housing to 80% or 100% of the HUD Area Median Income (AMI). However, the out-flow of young adult workers since the pandemic has underscored the need to expand first-time homebuyer housing programs to serve middle-income households earning up to 120% of the AMI and increase middle-income housing supply to enable first-time home buyers to afford comfortable living and family life in the region. A two-person household is a typical household size for first-time home buyers starting a family and would need to earn approximately $150,000 at 120% AMI to afford to purchase a starter home. Starter homes at this income level are limited in the region which is why more solutions are needed for the 120% AMI and under households. For further information on these demographic shifts, see the NVRC report Shifting Migration Patterns of Northern Virginia: Affordable Housing Needs published January 2025.

Northern Virginia towns educational attainment, public school student enrollment, and more demographics, data and graphs by region and county. Analyzed by the Northern Virginia Regional Commission (NVRC). Education of Towns Education Data of Towns There are 14 incorporated towns in Northern Virginia. For comparative purposes, Northern Virginia counties and cities, Commonwealth of Virginia, and United States data are provided in the graphs. About the Data and Proper Data Interpretation The education data of incorporated towns is sourced from the U.S. Census Bureau 2000 Census and the American Community Survey (ACS). All of the incorporated towns in Northern Virginia have a population of less than 65,000 persons. One-year ACS estimates do not exist for incorporated places with a population of less than 65,000. All incorporated towns and places in the United States are included in the five-year ACS estimates. It is important to note that any data sourced from the ACS is based on a small sample of the population of a place. The ACS estimates for places with smaller populations such as Clifton, Dumfries, Hamilton, Haymarket, Hillsboro, Lovettsville, Middleburg, and Quantico can be unreliable if the margin of error is large. Only data variables that are deemed relatively reliable have data provided at the town level. For instance, poverty data is unreliable for many towns in Northern Virginia so that data is not shown. Educational Attainment

Economic data compiled by the Northern Virginia Regional Commission's as part of the One Region immigration study, Coronavirus (COVID-19) immigration study, and dashboard to assess the economic impact of immigrants in Northern Virginia. Economy Key Facts Economy Immigrants hold billions of dollars in economic power and contribute billions to the Northern Virginia economy As Virginia's economy continues to expand, businesses and firms will require more workers across all skill levels to stay competitive and productive. As a tight labor market, with some of the lowest levels of unemployment in the country according to the Bureau of Labor Statistics' 2017 annual averages, much of the labor needed to meet Northern Virginia's demand for workers comes from outside the region, U.S born and immigrant alike. Gross Domestic Product (GDP), 2017 Estimates (in 2017 Inflation Adjusted Dollars) How many billions of dollars do immigrants contribute to the NOVA GDP? How many billions of dollars do immigrants contribute to the NOVA GDP? Source: National Association of Counties, Data Explorer, 2019. U.S. Bureau of Economic Analysis. NAE Analysis of the 2013-2017 American Community Survey, 5-Year Sample, downloaded from IPUMS USA, University of Minnesota, www.ipums.org . 57.7 Billion What is the total household earnings and tax contributions of NOVA's immigrants? What is the total household earnings and tax contributions of NOVA's immigrants? Total Household Earnings $28.3 Billion State & Local Taxes Paid $2.1 Billion Federal Taxes Paid $5.9 Billion Source: NAE analysis of the 2013-2017 American Community Survey,5-Year Sample, downloaded from IPUMS USA, University of Minnesota, www.ipums.org ; ITEP, “Who Pays?”; Congressional Budget Office; U.S. Social Security Administration.

Information on decennial census purpose, responding to, and tracking data responses. A regional information and data resource from the Northern Virginia Regional Commission. Decennial Census Reports, maps, and charts are best viewed on a desktop or tablet. Access and View Data Analyses NVRC Regional Data Analysis Data analyses of 2020 and prior censuses for the Northern Virginia region overall and each of its counties, cities, and towns are posted under the People section of this dashboard. Census Bureau Nationwide Data Analysis The Census Bureau published 2020 Census analyses through a series of data visualizations , America Counts stories , and videos to help illustrate and explain the Census results and the country's demograph ic characteristics. Access and View U.S. Census Bureau Products Decennial Censuses are released in multiple phases through multiple products. Starting with the 2020 Decennial Census, t he Demographic Profile, Demographic and Housing Characteristics, and redistricting data products all are injected with random statistical “noise” using the differential privacy approach to prevent disclosure of personal information. Caution should be utilized when using this data. The larger the population size of a geographic area, the more accurate the data and the diminished likelihood of having implausible data. Statistical noise is infused to protect confidentiality. The impact of statistical noise decreases with larger geographies. For more information, on the statistic noise injected, privacy, and accuracy, see the information under Privacy and Accuracy of 2020 Census Data . Demographic Profile and Demographic and Housing Characteristics The 2020 Census Demographic Profile and Demographic and Housing Characteristics were released in May 2023. These files contain 2020 Census data on characteristics of the population (i.e. age, sex race), characteristics of households (i.e. household size, rent/own, families). Access and view Northern Virginia regional data: County/City County/City Demographic Profile County/City Demographic and Housing Characteristics Incorporated Towns Incorporated Towns Demographic Profile Incorporated Town Demographic and Housing Characteristics Redistricting Demographic Data Redistricting dem ographic data released to the public in August and September 2021. This release contains population, race/ethnicity, age, housing units, and housing tenure data for c ounties, cities, and geographies as small as census blocks. The second product set will contain more detail demographic and housing characteristics data. Access and view Northern Virginia regional data: County/City County/City Redistricting Data Incorporated Towns Not Available Detailed Demographic and Housing Characteristics DHC-A The Detailed Demographic and Housing Characteristics file were released in three phases, with the first one being the Detailed DHC-A released September 2023. Included in this release are detailed population counts, sex, and age for approximately 370 racial and ethnic groups and places of origin, such as German, Lebanese, Chinese, and Mexican. Detailed Demographic and Housing Characteristics DHC-B The Detailed Demographic and Housing Characteristics Detailed DHC-B released August 2024. The Detailed DHC-B includes detailed household type (e.g., family or non-family) and tenure for approximately 370 racial and ethnic groups and places of origin , such as German, Lebanese, Chinese, and Mexican. Detailed Demographic and Housing Characteristics S-DHC The Detailed Demographic and Housing Characteristics Supplemental DHC (S-DHC) was released September 2024. It includes complex relationships between the characteristics about households and the people living in them, including average household size, average household size by age and tenure, and household and family type for people under 18 years old. Privacy and Accuracy of 2020 Census Data The Demographic Profile, Demographic and Housing Characteristics, and redistricting data all are injected with random statistical “noise” using the differential privacy approach to prevent disclosure of personal information. For the Demographic and Housing Characteristics, the Census Bureau released statistical error metrics (Excel File) to help users understand the variation in the data introduced by using differential privacy. Additional guidance to users is provided by the U.S. Census Bureau in the blog post, What to Expect: Disclosure Avoidance and the 2020 Census Demographic and Housing Characteristics File . For decades, the U.S. Census Bureau has used different techniques to protect individual privacy through their Disclosure Avoidance System (DAS). Differential Privacy (DP) is the latest technique. This technique was chosen because enhanced privacy protection is needed due to advances in technology that enable the ability to identify individuals when combined with other information. DP impacts data accuracy more than any other technique previously applied to decennial census results. DP will add random data (“noise”) to counts for geographic areas below the state level, to prevent identification of individuals. The amount of noise added to the data will be greater than any prior decennial census technique. The impact of statistical noise decreases the larger the population size of a geographic area. From 2019 through 2022, Northern Virginia jurisdictions, through the Northern Virginia Regional Commission (NVRC), participated in the U.S. Census Bureau’s DP demonstration data review and provided feedback to the U.S. Census Bureau. The following document is a brief overview of DP and the impacts it has on data quality. Click on the image to download. For an in-depth description of DP go to the Census Bureau's DP website . Download a copy of the Differential Privacy Fact Sheet Privacy Accuracy

Demographic, economic, and other data resources and reports published by Northern Virginia Regional Commission. Data Reports and Resources Reports, maps, and charts are best viewed on a desktop or tablet. Fact Sheets Regional Fact Sheets Demographic and Economic Highlights Demographic and economic overview of the region. Last updated: Apr. 17, 2026 Monthly Report Population Change Population change trends, including the components of change: Domestic migration International migration Births/deaths Last updated: Apr. 2, 2026 Annual Report Federal Jobs Overview of federal jobs in the region. How many jobs and where in the region do federal workers live and work. Published: Feb. 21, 2025 Special Report Reports Regional Reports and Studies Population and Households State of the Region: Shifting Migration Patterns - Affordable Housing Needs Slower population growth was occurring after the COVID-19 pandemic. This report examines the domestic migration volume and patterns underlying this, including the extent to which housing affordability, income, and age of persons are playing a role. Published January 2025. Special Report Economic Economic Tracking Report A report tracking economic indicators, including labor force, employment, unemployment, and industry sectors. *** This report has been migrated to an interactive dashboard as of 4/29/2025. The new interactive version includes not only Northern Virginia economic statistics, but also county and city level data. Click on the graphic above to navigate to the new dashboard.*** Monthly Report Foreign Direct Investment A report on foreign direct investment that uncovers the depths of economic engagement and activity that Northern Virginia has with the world. Published October 31, 2023. Key highlights of the report are listed in a report infographic. A corresponding m ap highligh ts the countries with direct economic co ntri bu tion s in Northern Virginia. Special Report State of the Region: Economic Recovery and Transformation from COVID-19 Pandemic A report on the state of the Northern Virginia region's economic recovery and the transformation from the COVID-19 pandemic. Published July 2022. Special Report Supporting Northern Virginia's Minority Owned Businesses A study on the minority-owned business community, how they were impacted by the pandemic, and recommendations for supporting them th rough the pandemic economic recovery and in the future beyond the pandemic. Published June 2021. Special Report Immigration One Region: Welcoming New Americans to Northern Virginia A study of the economic impact of immigrants to the region. Published March 2020. Special Report One Region: Addendu m A study addendum to the original report that was published in March 2020. This addendum assessed the economic impact of immigrants relevant to the COVID-19 pandemic crisis response. Published October 2020. Special Report

Northern Virginia town population growth, minority-majority transition, foreign born population transformation, and more demographics, data and graphs. Analyzed by the Northern Virginia Regional Commission (NVRC). Foreign Born and Immigrants of Towns Reports, maps, and charts are best viewed on a desktop or tablet. Foreign Born and Immigrant Population of Towns Overview The Washington, D.C. metropolitan area is one of the most diverse in the country when taking into consideration the minority and foreign born (immigrant) population make-up. Northern Virginia contains a sizable amount of the metropolitan area's diverse population. The foreign born or immigrant population is transforming the region and many of it's towns. Note, the terms foreign born and immigrant are used interchangeably throughout the NOVA Region Dashboard. It is immigration that has been driving many of the major demographic trends in the region, including: School enrollment changes Sizable increases in the number of Hispanics and Asians Population and labor force growth About the Data and Proper Data Interpretation Foreign born population data is sourced from the U.S. Census Bureau 2000 Census and the American Community Survey. All of the incorporated towns in Northern Virginia have a population of less than 65,000 persons. One-year ACS estimates do not exist for incorporated places with a population of less than 65,000. All incorporated towns and places in the United States are included in the five-year ACS estimates. It is important to note that any data sourced from the ACS is based on a small sample of the population of a place. The ACS estimates for places with smaller populations such as Clifton, Dumfries, Hamilton, Haymarket, Hillsboro, Lovettsville, Middleburg, and Quantico can be unreliable if the margin of error is large. The margin of error is shown in the popup that is displayed when hovering over a bar in the bar charts. If there is a large increase or decrease in the estimate from one time period to the next, and the margin of error is large and overlaps other periods, then the large change between time periods is likely due to statistical sampling error and is not considered statistically significant. In addition to the margin of error, the accuracy of the American Community Survey data for an area can be gaged by evaluating the trend. If the data has a clear trend then the data from one period to the next can be deemed reliable. Foreign Born Population - Current Foreign Born Population Share - Current The region's highest ranked county/city is Manassas Park City, ranking 8th in the nation at 36.8%. Herndon boasts one of the largest foreign-born populations in the country, at 42.2%. Statistically, Herndon is not significantly different from Manassas Park due to the data's margins of error. Towns that are estimated to have lower foreign born population shares than the Commonwealth of Virginia are all located within rural Loudoun County (Lovettsville, Purcellville, Hamilton, Middleburg, Round Hill), except for Clifton which is located in rural Fairfax County. Note, the town of Hillsboro's 2020-2024 estimate of 29.1% foreign born is considered highly unreliable. This is evidenced by the large rise compared to previous five-year periods, as shown in the Historic Compared to Current chart in the next section. It is additionally reinforced by the wide margin of error of +/-37.6%, which stems from the town's small survey sample size. Foreign Born Population - Historic Compared to Current Foreign Born Population Share - Historic Compared to Current Immigration has been driving many of the major demographic trends in the region. The foreign born population is transforming the region. Northern Virginia's population was 21.4% foreign born in 2000 and has risen to 28.2% currently. The largest transformations since 2000 have occurred in the towns of Dumfries, Haymarket, Leesburg, Lovettsville, and Occoquan. All of these incorporated towns are located in the outer-core, which is where the majority of the region's growth has occurred. Note, the American Community Survey is a survey with a small sample size. Due to the small size of many Northern Virginia towns and small sample size of the survey, the median household income of towns should be used with caution and the margin of error of the median household income should be taken into consideration. If there is a large increase or decrease in the estimate from one time period to the next, and the margin of error is large and overlaps other periods, then the large change between time periods is likely due to statistical sampling error and the data should be used with caution. The margin of error is shown in the popup that is displayed when hovering over a bar in the bar charts. In addition to the margin of error, the accuracy of the American Community Survey data for an area can be gaged by evaluating the trend. If the data does not have a clear trend, and the margin of error is large and overlaps other periods, then the large change between time periods is likely due to statistical sampling error and the data should be used with caution.

Language spoken and Limited English Proficiency LEP)information compiled by the Northern Virginia Regional Commission's as part of the One Region immigration study, Coronavirus (COVID-19) immigration study, and data dashboard to assess the economic impact of immigrants in Northern Virginia. Language Spoken Key Facts Language Spoken Understanding the population with language barriers is particularly critical for the quick and accurate dissemination of health, safety, and public information. 2014 to 2018 Five-Year Estimates Key Facts: There are an estimated 584,000 people in Northern Virginia who live in a household where English is not spoken at home as the primary language. Of those, 31.2 percent of the population age five and over speak Spanish at home. Of those, the second most spoken language is Korean at 5.5 percent. There are an estimated 134,200 people in Northern Virginia who report speaking English less than well, making up 5.4 percent of the region's total population.

Immigrant education data compiled by the Northern Virginia Regional Commission's as part of the One Region immigration study, Coronavirus (COVID-19) immigration study, and data dashboard to assess the economic impact of immigrants in Northern Virginia. Education Reports, maps, and charts are best viewed on a desktop or tablet. Key Facts Education Immigrants who settle in Northern Virginia are well educated and bring with them varying levels of work and educational experience 2013 to 2017 Period Key Facts: 20.9 percent of immigrants had an advanced degree, either a master’s, professional or doctoral degree. 44.5 percent of immigrants in Northern Virginia age 25 and older had at least a bachelor’s degree. The proportion of immigrants with a bachelor’s degree or higher in Northern Virginia at 44.5 percent, is much higher than immigrants in the United States at 31.2 percent.