South Riding, Virginia Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
South Riding, 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 Top grade
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A+
Income Top grade
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A+
Education Top grade
Source: Map AI Methodology
Population
| Metric | South Riding | Virginia Avg | U.S. Average |
|---|---|---|---|
| Population | 31,320 | 8,702,460 | 337,468,954 |
| Population density (per sq mi) | 4527.8 | 203.3 | 86.4 |
| Population growth (%/yr) | 2.03% | 0.57% | 0.59% |
| Median age | 36.7 | 37.4 | 37.3 |
| Households | 9,424 | 3,364,625 | 130,235,071 |
Population in South Riding grew by 728.4% from 2009 to 2024, reaching 31,320 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in South Riding is Millennials, aged 29–44, at 29.4% of residents. That is 7.0 points above Virginia as a whole.
- Gen Z 13–28 5,504 17.6% -3.8 pts
- Millennials 29–44 9,220 29.4% +7.0 pts
- Gen X 45–60 7,121 22.7% +2.3 pts
- Boomers 61–79 2,227 7.1% -9.4 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 48.9% of the people living in South Riding and men 51.1%.
- Women 48.9% Virginia 50.6%
- Men 51.1% Virginia 49.4%
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Economy
South Riding has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | South Riding | Virginia Avg | U.S. Average |
|---|---|---|---|
| Median household income | $194,741 | $93,527 | $80,455 |
| Income growth (%/yr) | 3.78% | 4.33% | 4.80% |
| Unemployment rate | 3.8% | 4.1% | 5.2% |
The median household income in South Riding is about 108% higher than in Virginia.
Housing
| Metric | South Riding | Virginia Avg | U.S. Average |
|---|---|---|---|
| Median home price | $609,721 | $256,082 | $248,835 |
| Median rent | $2,889 | $1,579 | $1,407 |
| Homeownership rate | 83.8% | 67.3% | 65.2% |
The median home price in South Riding is about 17.6 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,889 per month for that long.
Commute Time & Mobility
Commuters in South Riding spend about 61 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 256 hours, about 10.7 full days, spent commuting.
| Metric | South Riding | Virginia Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 30.7 | 23.2 | 22.4 |
| Round-trip commute (min) | 61.4 | 46.3 | 44.8 |
| Yearly time spent (hours) | 256 | 193 | 187 |
| Estimated yearly cost | $7,926 | $5,986 | $5,790 |
| Work from home | 30.5% | 18.3% | 15.0% |
| Highway traffic (vehicles/day) | 14,685 | 10,059 | 8,813 |
| Local road traffic (vehicles/day) | 3,583 | 1,531 | 1,355 |
The average commute time in South Riding is 31 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
South Riding has a education index of A+, which means it is exceptionally educated.
| Metric | South Riding | Virginia Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 64.8% | 37.7% | 31.6% |
| Average household size | 3.32 | 2.52 | 2.53 |
Health
South Riding has a health index of A+, which means it is exceptionally healthy.
| Metric | South Riding | Virginia Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 80.9 | 77.3 | 78.3 |
| Self-rated poor health | 6.9% | 16.9% | 16.3% |
| Smokers | 9.8% | 19.0% | 19.0% |
South Riding, VA Compared With Nearby Cities
How South Riding, VA compares with the 2 cities closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| South Riding, VA | 31,320 | $194,741 #2/3 | $609,721 #3/3 | 30.7 min #3/3 |
| Brambleton, VA | 25,017 | $207,282 | $874,997 | 30.7 min |
| Chantilly, VA | 29,207 | $160,418 | $875,000 | 25.1 min |
Frequently Asked Questions
Common questions about South Riding, Virginia.
How big is South Riding, Virginia by population?
About 31,320 people live in South Riding, Virginia, in 9,424 households of 3.3 people on average. The median age is 36.7, close to the U.S. median of 37.3.
How densely populated is South Riding, Virginia?
Averaged over its land area, South Riding, Virginia has 4,528 people per square mile, a density typical of a city. That is about 52 times the U.S. average of 86.
Can a typical household afford a home in South Riding, Virginia?
The median home costs 3.1 times the median household income ($609,721 against $194,741), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $2,889 a month takes about 18% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in South Riding, Virginia?
Unemployment in South Riding, Virginia is only 3.8%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
What share of adults in South Riding, Virginia have a college degree?
64.8% of adults in South Riding, 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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