Fairfax County
City in Virginia, United States
Overview
Fairfax County is one of the most dynamic and diverse areas in Northern Virginia, blending historic sites, family-friendly suburbs, and modern cityscapes. Its proximity to Washington, D.C. makes it ideal for both commuting professionals and visitors looking to explore the region's rich heritage and amenities.
Geographic Context
Jurisdiction
United States
State
Virginia
Population
1,150,309
Time Zone
America/New_York
Coordinates
38.83°, -77.28°
Key Metrics
Safety Score
86
Female Safety
88
LGBTQ+ Safety
88
Traffic Safety
77
Food Safety
98
Monthly Cost
$4,280
Local Cost
$2,630
Local Income
$5,100
Cashless
95
English
98
Temperature
12.7°C
Summer Avg
24.4°C
Winter Avg
0.8°C
Record High
40.6°C
Record Low
-19.6°C
Humidity
76%
Precipitation
1117 mm
Internet Speed
222 Mbps
Upload
37 Mbps
Latency
9 ms
City Vibrancy
11
Coworking
0
Cafes
1
Nightlife
0
Parks
10
Transport
0
Walk Score
0
Footways
—
Airport
DAA
Distance
16 km
Explore
Neighborhoods
EstimatedNeighborhood highlights with vibe, safety, and cost profiles.
View featured neighborhoodsFrequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 4 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-05.
Oyster List city price model - City price estimates calibrated from local price surveys and jurisdiction-level cost signals. Updated 2026-01-14.
Estimated data
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores are model-assisted estimates derived from source-backed country and city signals. Confidence 94/100.