Prince William County, Virginia
Located in Virginia, Prince William County has a population of 488,880 residents and a median age of 36.3 years, making it the #149 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 6.2%. The median home value is $530,100, and the median household income is $131,402, which is 75% above the national median.
Demographics
Prince William County has a population of 488,880, making it the #149 most populous county in the US. The median age is 36.3 years, which is 6.7% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Prince William County is $131,402, ranking #27 out of 3,222 counties — 74.9% above the national median. The poverty rate is 6.2% and unemployment stands at 4.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Prince William County is $530,100 (+88.0% vs national). Renters pay a median of $2,067/mo and the homeownership rate is 74.3%.
Median Home Value Trend
Rankings →Household Type
Education
In Prince William County, 44.9% of adults age 25+ hold a bachelor's degree or higher, which is 33.3% above the national average, ranking #174 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Prince William County is 80.6 years. 15.7% of adults report poor or fair health and 9.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
11.6% of adults in Prince William County smoke , 33.1% are obese , and 18.5% report excessive drinking. The drug overdose death rate is 18.6 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Prince William County is 3.3 per 100,000 and the suicide rate is 9.0 per 100,000. Motor vehicle deaths occur at a rate of 7.5 per 100,000.
Homicide Rate Trend
Families & Children
8.3% of children in Prince William County live in poverty and the infant mortality rate is 4.7 per 1,000 live births. The teen birth rate is 11.9 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Prince William County is 78.1%. The mean commute time is 40.5 min, which is 46.7% above the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Prince William County voted Democratic with a margin of 18.0%. The vote was 57.6% Dem / 39.6% Rep. Compared to 2020, the margin shifted 9.0 toward Republicans .
Vote Share Over Time
About Prince William County, Virginia
Prince William County, Virginia has a total population of 488,880, making it the 149th most populous county in the United States. The median age in Prince William County is 36.3 years, which is 6.7% below the national median of 38.9 years.
The median household income in Prince William County is $131,402, which ranks #27 of 3,222 counties nationwide. This is 74.9% above the national median of $75,149. The poverty rate is 6.2%, lower than the national rate of 12.6%. The unemployment rate stands at 4.7%.
The median home value in Prince William County is $530,100, 88.0% above the national median. Renters in Prince William County pay a median gross rent of $2,067 per month. The homeownership rate is 74.3%, compared to the national rate of 64.4%.
In Prince William County, 44.9% of residents aged 25 and older hold a bachelor's degree or higher, 33.3% above the national average of 33.7%. Health insurance coverage stands at 90.0% of the population. The average commute time for workers is 40.5 min.
Prince William County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 37.9% of the population, followed by Hispanic or Latino (26.1%) and Black (non-Hispanic) (19.6%).
All data for Prince William County, Virginia comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.