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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
60
Female Safety
58
LGBTQ+ Safety
67
Traffic Safety
65
Food Safety
95
Monthly Cost
$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
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.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 8 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-07.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
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 68/100.
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