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Boulder
City in Colorado, United States
Overview
Boulder, set at the foot of the Rocky Mountains, is known for its picturesque scenery, lively culture, and welcoming community. The city boasts a lively downtown, a strong outdoor recreation scene, and a progressive, eco-friendly ethos.
Geographic Context
Jurisdiction
United States
State
Colorado
Population
1,201
Time Zone
America/Denver
Coordinates
40.01°, -105.27°
Key Metrics
Safety Score · estimate
85
Female Safety
80
LGBTQ+ Safety
85
Traffic Safety
70
Food Safety
95
Monthly Cost · estimate
$3,745
Local Cost
$2,470
Local Income
$3,500
Cashless
90
English
100
Temperature
10.3°C
Summer Avg
22.4°C
Winter Avg
-0.7°C
Record High
39.9°C
Record Low
-23.3°C
Humidity
49%
Precipitation
449 mm
Internet Speed
263 Mbps
Upload
121 Mbps
Latency
10 ms
City Vibrancy
107
Coworking
3
Cafes
51
Nightlife
17
Parks
36
Transport
100
Walk Score
100
Footways
1416.0
Airport
WBU
Distance
5 km
Explore
Data sources
Source-backed data
World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-08.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-22.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 85/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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