Fairfax, Virginia Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Fairfax, VA Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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A
Health Above average
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A+
Income Top grade
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A+
Education Top grade
Source: Map AI Methodology
Population
| Metric | Fairfax | Virginia Avg | U.S. Average |
|---|---|---|---|
| Population | 25,027 | 8,702,460 | 337,468,954 |
| Population density (per sq mi) | 3989.3 | 203.3 | 86.4 |
| Population growth (%/yr) | 0.73% | 0.57% | 0.59% |
| Median age | 37.8 | 37.4 | 37.3 |
| Households | 9,155 | 3,364,625 | 130,235,071 |
Population in Fairfax grew by 7.0% from 2009 to 2024, reaching 25,027 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Fairfax is Millennials, aged 29–44, at 22.3% of residents. That is 0.1 points below Virginia as a whole.
- Gen Z 13–28 5,262 21.0% -0.4 pts
- Millennials 29–44 5,575 22.3% -0.1 pts
- Gen X 45–60 5,364 21.4% +1.0 pts
- Boomers 61–79 3,644 14.6% -2.0 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Virginia, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 50.8% of the people living in Fairfax and men 49.2%.
- Women 50.8% Virginia 50.6%
- Men 49.2% Virginia 49.4%
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100% of everyone living in Fairfax
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Economy
Fairfax has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | Fairfax | Virginia Avg | U.S. Average |
|---|---|---|---|
| Median household income | $133,457 | $93,527 | $80,455 |
| Income growth (%/yr) | 3.23% | 4.33% | 4.80% |
| Unemployment rate | 3.3% | 4.1% | 5.2% |
The median household income in Fairfax is about 43% higher than in Virginia.
Housing
| Metric | Fairfax | Virginia Avg | U.S. Average |
|---|---|---|---|
| Median home price | $255,556 | $256,082 | $248,835 |
| Median rent | $2,245 | $1,579 | $1,407 |
| Homeownership rate | 69.9% | 67.3% | 65.2% |
The median home price in Fairfax is about 9.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,245 per month for that long.
Commute Time & Mobility
Commuters in Fairfax spend about 57 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 238 hours, about 9.9 full days, spent commuting.
| Metric | Fairfax | Virginia Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 28.6 | 23.2 | 22.4 |
| Round-trip commute (min) | 57.2 | 46.3 | 44.8 |
| Yearly time spent (hours) | 238 | 193 | 187 |
| Estimated yearly cost | $7,389 | $5,986 | $5,790 |
| Work from home | 29.1% | 18.3% | 15.0% |
| Highway traffic (vehicles/day) | 20,331 | 10,059 | 8,813 |
| Local road traffic (vehicles/day) | 2,761 | 1,531 | 1,355 |
The average commute time in Fairfax is 29 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.
Education & Households
Fairfax has a education index of A+, which means it is exceptionally educated.
| Metric | Fairfax | Virginia Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 56.2% | 37.7% | 31.6% |
| Average household size | 2.68 | 2.52 | 2.53 |
Health
Fairfax has a health index of A, which means it is very healthy.
| Metric | Fairfax | Virginia Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 82.6 | 77.3 | 78.3 |
| Self-rated poor health | 10.2% | 16.9% | 16.3% |
| Smokers | 10.8% | 19.0% | 19.0% |
Fairfax, VA Compared With Nearby Cities
How Fairfax, VA compares with the 1 cities closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Fairfax, VA | 25,027 | $133,457 #2/2 | $255,556 #2/2 | 28.6 min #2/2 |
| Oakton, VA | 37,572 | $161,629 | $874,989 | 27.6 min |
Frequently Asked Questions
Common questions about Fairfax, Virginia.
What is the population of Fairfax, Virginia?
About 25,027 people live in Fairfax, Virginia, in 9,155 households of 2.7 people on average. The median age is 37.8, close to the U.S. median of 37.3.
Is Fairfax, Virginia urban or rural?
Averaged over its land area, Fairfax, Virginia has 3,989 people per square mile, a density typical of a city. That is about 46 times the U.S. average of 86.
Can a typical household afford a home in Fairfax, Virginia?
The median home costs 1.9 times the median household income ($255,556 against $133,457), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $2,245 a month takes about 20% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Fairfax, Virginia?
Unemployment in Fairfax, Virginia is only 3.3%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How common is a college degree in Fairfax, Virginia?
56.2% of adults in Fairfax, Virginia hold a bachelor's degree or higher (about 6 in 10), well above the U.S. share of 31.6%.
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