City profile
Montclair, VA
Prince William County · Population 22,387
Montclair is a town in Prince William County, VA with about 22,387 residents and a typical home value near $578,000. It is 21 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
$577,800
Typical monthly housing
$3,577
Cost of living (100 = U.S.)
124
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 Moderate · county score 83/100
Top hazards: Heat wave, Lightning, Winter weather
Nearest major airport
23 mi to Ronald Reagan Washington National Airport (DCA)
Political lean (2024 county vote)
Leans Democratic · 58% Democratic / 40% Republican
Community
Population
22,387
Black population
19.3%
County
Prince William County
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 22,387 residents
- Typical home value about $578,000
- 21 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.