US Census Data

Fairfax County vs Prince William County

A side-by-side comparison of Fairfax County and Prince William County: population, income, housing, and more.

Fairfax County and Prince William County are counties in Virginia. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Fairfax County has the higher population (1,144,474 vs 484,625 in Prince William County). Fairfax County has the higher median household income ($150,113 vs $128,873 in Prince William County). Fairfax County has the higher median home value ($699,700 vs $500,600 in Prince William County).

Population, income & housing

Fairfax CountyPrince William County
Population1,144,474484,625
Median age38.9 yrs36.0 yrs
Median household income$150,113$128,873
Median home value$699,700$500,600
Median gross rent$2,230$2,002
Housing units428,352160,256
Homeownership rate68.3%74.4%
Bachelor's degree or higher64.3%44.5%
Unemployment rate4.0%4.5%

Trends (ACS 5-year, 2019–2023)

Fairfax CountyPrince William County
Population1,145,862 → 1,144,474 (-0.1%)461,423 → 484,625 (+5.0%)
Median household income$124,831 → $150,113 (+20.3%)$107,132 → $128,873 (+20.3%)
Median home value$563,100 → $699,700 (+24.3%)$382,400 → $500,600 (+30.9%)
Median gross rent$1,881 → $2,230 (+18.6%)$1,713 → $2,002 (+16.9%)

Fairfax County

Population
1,145,8621,144,474
Median household income
$124,831$150,113
Median home value
$563,100$699,700
Median gross rent
$1,881$2,230

Prince William County

Population
461,423484,625
Median household income
$107,132$128,873
Median home value
$382,400$500,600
Median gross rent
$1,713$2,002

Age & race/ethnicity

Age distribution (share)

Fairfax CountyPrince William County
Under 56.0%6.8%
5 to 1717.2%19.8%
18 to 248.3%8.9%
25 to 3413.0%12.9%
35 to 4414.6%15.1%
45 to 5413.9%14.0%
55 to 6412.6%11.6%
65 to 748.7%6.8%
75 and over5.9%4.0%

Race & ethnicity (share)

Fairfax CountyPrince William County
White (non-Hispanic)47.5%38.9%
Black or African American9.6%20.0%
American Indian & Alaska Native0.1%0.1%
Asian19.9%9.7%
Native Hawaiian & Pacific Islander0.0%0.1%
Some other race0.7%0.5%
Two or more races4.8%5.1%
Hispanic or Latino17.4%25.7%

Educational attainment (age 25+)

Share of adults 25+

Fairfax CountyPrince William County
No high school diploma6.8%9.8%
High school graduate12.0%20.2%
Some college or associate's17.0%25.6%
Bachelor's degree31.8%26.4%
Graduate or professional degree32.4%18.1%

Commute to work

How workers get to work (share)

Fairfax CountyPrince William County
Drove alone57.9%66.7%
Carpooled8.0%9.9%
Public transit5.3%2.7%
Walked1.7%1.2%
Bicycle0.3%0.1%
Worked from home25.1%17.5%
Other means1.6%1.9%

Housing

Units in structure (share)

Fairfax CountyPrince William County
1-unit, detached45.6%54.7%
1-unit, attached22.9%26.7%
2 to 4 units2.1%2.2%
5 to 19 units14.4%10.6%
20 or more units14.5%4.9%
Mobile home & other0.5%1.0%

Poverty & households

Fairfax CountyPrince William County
Poverty rate5.9%6.1%
Average household size2.753.11
Mean commute (minutes)3037
Median year structure built19831994

Full profiles

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