Area data
Fairfax, VA — ZIP 22031
Population: 37,276 (Census ACS)
Home values & appreciation
- Median home value
- $766,814
- 1-year appreciation
- +0.3%
- 3-year appreciation
- +8.1%
- 5-year appreciation
- +13.0%
- 10-year appreciation
- +38.4%
- All-time peak (2025-04)
- $774,652
- House Price Index
- 423.6 (+3.3% YoY)
Market activity
- Median sale price
- $1.25M
- Median list price
- $1.27M
- Median days on market
- 18 days
- Sale-to-list ratio
- 102.0%
- Active listings
- 14
- 1-year forecast
- -0.4%
- Days to pending
- 24 days
- New listings (monthly)
- 39
Rents
- Typical rent
- $2,466/mo
- 1-year rent change
- +0.5%
- 1BR fair-market rent
- $2,440/mo
- 3BR fair-market rent
- $3,430/mo
Affordability
- Cost of living index (Above Average)
- 103.5 (100 = US avg)
- Electricity rate (state-level)
- 15.3¢/kWh
- Natural gas rate (state-level)
- $16.80/MCF
- 30-year mortgage rate (national)
- 6.66%
- 15-year mortgage rate (national)
- 6.00%
Schools
- Total schools
- 5
- Elementary schools
- 3
- Middle schools
- 0
- High schools
- 1
Natural hazards & flood risk
- Overall hazard risk
- Very Low
- FEMA flood zone
- X
- Flood risk level
- Minimal
Climate (30-year normals)
- Average annual temperature
- 59.0°F
- Average high
- 68.0°F
- Average low
- 49.0°F
- Annual precipitation
- 41.4 in
- Annual snowfall
- 1.7 in
Air quality
- Air quality rating
- Good
- Median AQI (annual)
- 46
- Days with Good air quality
- 217
- Days with Unhealthy air quality
- 2
Walkability & transit
- Walkability index
- 6.0 / 20
- Transit service frequency
- -99,999
Amenities
- National parks within ~60 mi
- 59
- Nearest national park
- Wolf Trap National Park for the Performing Arts (6 mi)
- Nearest airport
- Davison Army Air Field (DAA) (11 mi)
- Nearest major airport
- Davison Army Air Field (DAA) (11 mi)
- Hospitals nearby (~15 mi)
- 26
- Avg hospital rating
- 3.2 / 5
- Solar radiation rating
- Fair (4.2 kWh/m²/day)
Migration
- Net migration
- -270 tax filers
Housing stock
- Median year housing built
- 1,980
- Median annual property tax
- $7,508
- Mean commute to work
- 20 min
- Households with broadband internet
- 91.2%
Employment & development
- Total county employment
- 18,990
- Average weekly wage
- $1,303
- Top industries (by employment)
- Health Care, Professional Services, Accommodation & Food
- Annual residential building permits (county)
- 1,032
Area data compiled from public government, academic, and industry research feeds. Data sources →
Data last updated
Most recent source refresh: Aug 2026. See all data sources →