Old Town Alexandria on the Potomac with Washington beyond
County in Virginia

Prince William County

Prince William County has the 6th largest immigrant share in Virginia (26.3% foreign-born) and the 7th highest median household income ($131,402).

Prince William County is home to 497,003 people (2024 estimate) on 335 square miles of land. This page brings together official U.S. Census Bureau population estimates since 2000, the components of change—births, deaths and migration—American Community Survey indicators on income, housing, poverty and education, BEA economic accounts and BLS unemployment.

Key indicators

Population
497,003
July 1, 2024 estimate
2020 Census base
482,209
April 1, 2020
Change since 2020
+3.1%
2020–2024
Land area
335 mi²
868 km²
Population density
1,482.5 /mi²
2024 estimate ÷ land area
Births
6,225
Year to July 1, 2024
Deaths
2,392
Year to July 1, 2024
Natural change
+3,833
Births minus deaths, 2024
Net migration
+1,574
Domestic + international, 2024
Median household income
$131,402
ACS 2020–2024 5-year
Poverty rate
6.2%
ACS 2020–2024 5-year
Bachelor’s degree or higher
44.9%
Age 25+, ACS 2020–2024 5-year
Foreign-born residents
26.3%
ACS 2020–2024 5-year
Median home value
$530,100
ACS 2020–2024 5-year
Unemployment rate
2.7%
BLS annual average, 2024

Historical data

Pick an indicator to see its long-run evolution.

Population

2000–2024
497,003▲ 75%

U.S. Census Bureau: intercensal estimates 2000–2009, Vintage 2020 (2010–2019) and Vintage 2024 (2020–2024), July 1.

Data summary

IndicatorValueYear and source
Population estimate497,0032024 · U.S. Census Bureau
Population, 2010 Census402,0022010 · U.S. Census Bureau
Population, 2000284,565July 1, 2000 · Census intercensal
Change since 2000+74.7%2000–2024 · Census
International migration+5,1372024 · Census Vintage 2024
Domestic migration−3,5632024 · Census Vintage 2024
Birth rate12.5 per 1,0002024 · calculated
Death rate4.8 per 1,0002024 · calculated
Population rank in Virginia2nd of 1332024 · calculated
Median household income$131,402ACS 2020–2024 5-year · official
Poverty rate6.2%ACS 2020–2024 5-year · official
Bachelor’s degree or higher44.9%Age 25+, ACS 2020–2024 5-year · official
Foreign-born residents26.3%ACS 2020–2024 5-year · official
Median home value$530,100ACS 2020–2024 5-year · official
Median gross rent$2,067/monthACS 2020–2024 5-year · official
Median age36.3 yearsACS 2020–2024 5-year · official
Households156,798ACS 2020–2024 5-year · official
Owner-occupied homes74.3%ACS 2020–2024 5-year · official

Prince William County in context

Comparable indicators for Prince William County, Virginia and the United States.

IndicatorCountyVirginiaU.S.Reference
Population change 2020–2024+3.1%+2.1%+2.6%Census Vintage 2024
Birth rate (per 1,000)12.510.610.62024
Death rate (per 1,000)4.88.99.12024
Net migration rate (per 1,000)3.27.08.22024
Population density (/mi²)1482.5223.296.32024
Median household income$131,402$93,170$80,734ACS 2020–2024 5-year
Poverty rate6.2%9.9%12.5%ACS 2020–2024 5-year
Bachelor’s degree or higher44.9%42.2%35.7%Age 25+, ACS 2020–2024 5-year
Foreign-born residents26.3%13.1%14.1%ACS 2020–2024 5-year
Median home value$530,100$383,700$332,700ACS 2020–2024 5-year
Median gross rent$2,067/month$1,579/month$1,413/monthACS 2020–2024 5-year
Median age36.3 years39.0 years38.9 yearsACS 2020–2024 5-year
Owner-occupied homes74.3%67.3%65.2%ACS 2020–2024 5-year

Cities & towns

1 city · choose how to order them

Manassas
42,000 residents

Did you know? Prince William County

2nd most populous of 133

With 497,003 residents in 2024, Prince William County ranks 2nd by population among Virginia's 133 counties and is home to 5.6% of the state's residents.

A quarter century of change

Its population went from 284,565 in 2000 to 497,003 in 2024, a change of +74.7%, compared with +24.0% for Virginia as a whole.

Births and deaths

In the year to July 2024 the county recorded 6,225 births and 2,392 deaths, so births outnumbered deaths by 3,833.

Record population

Annual Census estimates since 2000 put the county's highest population in 2024, at 497,003.

28th in density

Prince William County has about 1482.5 residents per square mile of land, ranking 28th of 133 counties; Virginia averages 223.2.

Household income rank

With a median household income of $131,402 (ACS 2020–2024 5-year), the county ranks 7th of 133 Virginia counties; the state median is $93,170.

Sources and methodology