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Boulder County
City in Colorado, United States
Overview
Boulder County blends a lively college-town atmosphere with stunning Rocky Mountain scenery. Known for its progressive culture and outdoor adventure, the area offers everything from world-class hiking to lively arts and culinary scenes.
Geographic Context
Jurisdiction
United States
State
Colorado
Population
330,758
Time Zone
America/Denver
Coordinates
40.09°, -105.36°
Key Metrics
Safety Score
89
Female Safety
87
LGBTQ+ Safety
88
Traffic Safety
85
Food Safety
95
Monthly Cost
$4,325
Local Cost
$2,600
Local Income
$4,500
Cashless
90
English
100
Temperature
3.7°C
Summer Avg
15.5°C
Winter Avg
-7.2°C
Record High
32.4°C
Record Low
-34.5°C
Humidity
62%
Precipitation
532 mm
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
0
Walk Score
0
Footways
—
Airport
WBU
Distance
13 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
World Air Quality Index - Latest available city-level air quality station measurement. 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 93/100.
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