City profile
Herndon, VA
Fairfax city · Population 24,672
Herndon is a town in Fairfax city, VA with about 24,672 residents and a typical home value near $599,000. It is 22 miles from Alexandria, VA, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Four seasons
Winter avg
37°F
Summer avg
79°F
Sunny days / yr
205
Home prices & cost of living
Median home price
$599,100
Typical monthly housing
$3,709
Cost of living (100 = U.S.)
126
Taxes
- Property tax
- 0.91%
- State income tax (top)
- 5.75%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- 5.77%
FEMA natural hazard risk
Relatively High · county score 95/100
Top hazards: Winter weather, Lightning, Heat wave
Nearest major airport
4 mi to Washington Dulles International Airport (IAD)
Political lean (2024 county vote)
Leans Democratic · 65% Democratic / 32% Republican
Community
Population
24,672
Black population
8.1%
County
Fairfax city
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸Climate/cost risks to check: coastal flooding (Tidewater)
Highlights
- About 24,672 residents
- Typical home value about $599,000
- 22 miles from Alexandria, VA
Trade-offs
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.