Prince William County, Virginia Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 2nd-largest in Virginia
The population of Prince William County, Virginia is 484,625 as of the 2023 American Community Survey, making it the 2nd-largest county in Virginia. The median household income is $128,873, the median home value is $500,600, and the median age is 36.0.
The population of Prince William County has grown 22.4% since 2010 (406,183 → 497,003), a +1.45% annualized rate.
484,625
Population
+1.45%
Annual growth
1446
People / sq mi
$128,873
Median Income
$500,600
Median Home Value
Prince William County covers 335 sq mi of land at 1445.5 people per square mile.
About Prince William County, VA
What sets Prince William County apart is money: median household income runs $128,873, above the US median of $78,538. Prince William County is a county in Virginia with a population of 484,625. It is the #2-largest of all counties in Virginia nationally.
Earnings sit at the high end: a median household income of $128,873, above the US median of $78,538. Hardship is rare relative to US counties: a poverty rate of just 4.5%, below the national 12.4%. Real estate commands a premium here — a median home value of $500,600, with typical rent around $2,002.
The population is unusually well-credentialed for US counties — 44.5% of adults have a four-year degree, above the national 35.0%. Remote work is widespread — 17.5% of workers stay home, above the national 14.0%, and the average commute runs about 38 minutes each way.
Taken together, the income and housing figures place Prince William County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Prince William County Population History (2010-2024)
The county of Prince William County had a population of 406,183 in 2010 and 497,003 in 2024, a 22.4% growth over 14 years. The peak was 497,003 in 2024. Average annual growth rate: 1.45%.
497,003
Population (2024)
406,183
Population (2010)
497,003
Peak (2024)
1.45%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 406,183 |
| 2011 | 419,149 |
| 2012 | 429,716 |
| 2013 | 437,900 |
| 2014 | 444,004 |
| 2015 | 451,242 |
| 2016 | 456,805 |
| 2017 | 463,400 |
| 2018 | 466,658 |
| 2019 | 471,774 |
| 2020 | 482,863 |
| 2021 | 485,433 |
| 2022 | 487,523 |
| 2023 | 491,578 |
| 2024 | 497,003 |
Race & Ethnicity
| White | 46.6% |
| Black or African American | 20.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.9% |
| Two or More Races | 0.0% |
Age & Sex
36.0
Median Age
49.7%
Female
50.3%
Male
10.9%
Age 65+
Age Distribution
Children (under 15): 21.9% · Seniors (65+): 10.9%
Income & Poverty
| Median household income | $128,873+$37,899 vs state |
| Mean household income | $155,425 |
| Per-capita income | $50,883 |
| Poverty rate | 4.5%-2.3% vs state |
| Unemployment rate | 3.1% |
| Employment-to-population | 67.2% |
Top Industries by Employment
The largest employment sector in Prince William County is professional & business services, accounting for 19.7% of workers.
How residents commute
2.7%
Drive alone
1.2%
Carpool
66.7%
Public transit
17.5%
Work from home
37.5 min
Avg commute
Housing
$500,600+$139,900 vs state
Median home value
$2,002
Median rent
74.4%
Homeownership rate
160,256
Total housing units
96.5%
Occupied
3.5%
Vacant
25.6%
Renter-occupied
Social & access
89.9%
With health insurance
98.4%
With broadband internet
34.9%
Foreign-born
11.7%
Veterans (18+)
8.7%
With a disability
63.6%
Speak language other than English at home
Education
90.2%
High School+
44.5%
Bachelor's+
Largest cities in Virginia
Other counties in Virginia
Part of Virginia
Metro areas in Virginia
County rankings
Common questions about Prince William County, VA
Frequently Asked Questions
Prince William County, Virginia has a population of 484,625 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 2nd-largest county in Virginia. Population density is 1446 people per square mile.
The population of Prince William County has grown 22.4% since 2010 (406,183 → 497,003), a +1.45% annualized rate.
The median household income in Prince William County, Virginia is $128,873, with mean (average) household income of $155,425 and per-capita income of $50,883. 4.5% of residents live below the federal poverty level.
In Prince William County, the largest racial and ethnic groups are White (46.6%), Black or African American (20.5%), Hispanic or Latino (1.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Prince William County, Virginia is 36.0 years. Residents are 49.7% female and 50.3% male.
The median home value in Prince William County is $500,600 and median monthly rent is $2,002. 74.4% of occupied housing units are owner-occupied. The county has 160,256 total housing units, 3.5% of which are vacant.
The largest employment sector in Prince William County, Virginia is professional, scientific, and management services, employing 19.7% of workers. The unemployment rate is 3.1%.
Virginia Beach is among the largest cities associated with Prince William County, Virginia, with a population of 457,066.
Prince William County, VA Climate
Prince William County, VA has an average annual temperature of 13.1°C (56°F) and receives about 987 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
13.1°C
Avg Temp
987
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 1° / 34° | 73 mm |
| February | 3° / 37° | 67 mm |
| March | 7° / 45° | 81 mm |
| April | 13° / 55° | 77 mm |
| May | 18° / 64° | 96 mm |
| June | 22° / 72° | 87 mm |
| July | 25° / 77° | 86 mm |
| August | 24° / 75° | 92 mm |
| September | 20° / 68° | 88 mm |
| October | 14° / 57° | 81 mm |
| November | 8° / 47° | 83 mm |
| December | 3° / 38° | 76 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Prince William County, VA
The most comfortable months to visit Prince William County, VA are typically September, June and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 31°C high). The coldest is January (near -4°C low). May is usually the wettest month.
Where to stay near Prince William County
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Statewide data for Virginia
Population, race, income, age, and trends across Virginia
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.