Fairfax County, VA Population Statistics: Density Map Data

Analyze local population trends, population density map, housing costs, and the local economy.

Area Snapshot Statistics

Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.

A+ Among the top 3 healthiest counties in Virginia
A+ Among the top 5 wealthiest counties in Virginia
A+ Among the top 5 best educated counties in Virginia

Population: density and quick facts

Metric Fairfax County Virginia Avg U.S. Average
Population 1,144,519 8,661,529 334,821,731
Population density (per sq mi) 2815.1 202.3 85.8
Population growth (%/yr) 0.16% 0.60% 0.57%
Median age 37.1 37.2 37.1
Households 412,626 3,324,966 128,459,983

Population in Fairfax County grew by 12.8% from 2009 to 2023, reaching 1,144,404 in 2023.

Population Growth 2009–2023

Year Fairfax County

Race & Ethnicity

Group Share

Economy

Fairfax County has a the economy index of A+, which means it is exceptionally prosperous.

Metric Fairfax County Virginia Avg U.S. Average
Median household income $150,104 $91,409 $78,145
Income growth (%/yr) 3.84% 4.62% 5.07%
Unemployment rate 3.9% 4.2% 5.2%

The median household income in Fairfax County is about 64% higher than in Virginia.

Detailed wealth and income breakdown →

Housing

Metric Fairfax County Virginia Avg U.S. Average
Median home price $619,611 $257,048 $242,182
Median rent $2,229 $1,514 $1,342
Homeownership rate 68.3% 67.2% 65.1%

The median home price in Fairfax County is about 23.2 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,229 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Fairfax County spend about 56 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 234 hours, about 9.8 full days, spent commuting.

Metric Fairfax County Virginia Avg U.S. Average
One-way commute (min) 28.1 23.3 22.5
Round-trip commute (min) 56.3 46.5 44.9
Yearly time spent (hours) 234 194 187
Estimated yearly cost $7,266 $6,010 $5,803
Work from home 25.1% 16.2% 13.4%
Highway traffic (vehicles/day) 17,824 10,059 8,813
Local road traffic (vehicles/day) 3,144 1,531 1,355

Fastest commutes among counties in Virginia: Lexington city (8.7 min), Norton city (11.5 min), Covington city (11.8 min).
Slowest: Surry County (43.2 min), Amelia County (40.4 min), Buckingham County (38.3 min).

The average commute time in Fairfax County is 28 minutes, longer than the 23 minutes in Virginia.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Fairfax County has a education index of A+, which means it is exceptionally educated.

Metric Fairfax County Virginia Avg U.S. Average
Bachelor's degree or higher 59.6% 37.7% 31.6%
Average household size 2.75 2.53 2.54

Highest education index among counties in Virginia: Falls Church city (0.6), Arlington County (0.6), Alexandria city (0.5).
Lowest: Greensville County (0.2), Lunenburg County (0.2), Buchanan County (0.2).

Health

Fairfax County has a health index of A+, which means it is exceptionally healthy.

Metric Fairfax County Virginia Avg U.S. Average
Life expectancy (years) 82.6 77.3 78.3
Self-rated poor health 9.6% 16.9% 16.3%
Smokers 10.0% 19.0% 19.0%

Highest health index among counties in Virginia: Falls Church city (0.8), Arlington County (0.8), Fairfax County (0.8).
Lowest: Emporia city (0.7), Petersburg city (0.8), Galax city (0.8).

Full health data →

Frequently Asked Questions

Common questions about Fairfax County, Virginia.

What is the population of Fairfax County, Virginia?

The population of Fairfax County, Virginia is 1,144,519, compared to the U.S. total of 334,821,731.

What is the population density of Fairfax County, Virginia?

The population density of Fairfax County, Virginia is 2815.1 people per square mile, compared to the U.S. average of 85.8 people per square mile.

What is the median household income in Fairfax County, Virginia?

The median household income in Fairfax County, Virginia is $150,104, compared to the U.S. median of $78,145.

What is the median home price in Fairfax County, Virginia?

The median home price in Fairfax County, Virginia is $619,611, compared to the U.S. median of $242,182.

What is the unemployment rate in Fairfax County, Virginia?

The unemployment rate in Fairfax County, Virginia is 3.9%, compared to the U.S. average of 5.2%.