Prince William County is a county of 488,880 people in Virginia. The population has risen by half since 2000, adding 208,067 people. That puts it in the top 1% of US counties for household income. That is roughly 41% ahead of the Virginia median. Median household income runs $131,402, well clear of the $82,259 US median. 26% of residents were born outside the United States.
At a glance
Wealthier
median household income $131,402, above the US median
US median: $82,259
Younger
median age 36.3
US median: 38.9
More educated
45% hold a bachelor's degree
US average: 36%
Less affordable
home values up 97%, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about Prince William County
What changed most since 1990
White share80.9% → 37.9%(−43.0 pts)US over the same years: −17.8 pts
Population215,686 → 488,880(+127%)US over the same years: +35%
Hispanic share4.2% → 26.1%(+21.8 pts)US over the same years: +9.9 pts
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)48.5%(19,577)
US avg: 26.4%
Gulf War (1990s)46.9%(18,935)
US avg: 24.3%
Vietnam era19.2%(7,742)
US avg: 33.1%
Korean War2%(792)
US avg: 4.5%
World War II0.4%(143)
US avg: 1%
Share of the 40,393 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
Prince William County, decade by decade
Prince William County population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
215,686
$118,491
$330,489
27.6%
41.3
2000
280,813
$120,156
$269,423
31.5%
66.9
2010
402,002
$131,051
$543,348
37.5%
84.6
2020
482,204
$130,545
$473,301
41.9%
92.2
2024
488,880
$131,402
$530,100
44.9%
92.0
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
How many people live in Prince William County, Virginia?
Prince William County, Virginia has about 488,880 residents according to the 2024 American Community Survey.
What is the median household income in Prince William County, Virginia?
The typical household in Prince William County, Virginia earns about $131,402 a year. Half of households make more than that, and half make less.
Is Prince William County, Virginia expensive?
In Prince William County, Virginia, the median home is worth about $530,100, and the typical rent is about $2,067 a month.
How educated are people in Prince William County, Virginia?
About 44.9% of adults age 25 and over in Prince William County, Virginia hold a bachelor's degree or higher.
What is the poverty rate in Prince William County, Virginia?
About 6.2% of people in Prince William County, Virginia live below the federal poverty line.
Has Prince William County, Virginia grown since 1990?
Yes, Prince William County, Virginia has grown since 1990. The population has added about 273,194 residents, a change of about 127 percent over that period.