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Derby
City in Colorado, United States
Overview
Derby, Colorado is a small, friendly suburb northeast of Denver with a close-knit community and convenient links to neighboring cities. Its residential charm, access to parks, and affordable living make it attractive for families and those seeking a quieter pace near the metro area.
Geographic Context
Jurisdiction
United States
State
Colorado
Population
12,325
Time Zone
America/Denver
Coordinates
39.84°, -104.92°
Key Metrics
Safety Score · estimate
60
Female Safety
58
LGBTQ+ Safety
67
Traffic Safety
65
Food Safety
95
Monthly Cost · estimate
$2,730
Local Cost
$2,010
Local Income
$3,400
Cashless
92
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
432 Mbps
Upload
287 Mbps
Latency
9 ms
City Vibrancy
5
Coworking
0
Cafes
0
Nightlife
2
Parks
3
Transport
10
Walk Score
10
Footways
20.0
Airport
BJC
Distance
19 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 2025-12-07.
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: 68/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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