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New Castle
City in Colorado, United States
Overview
New Castle, Colorado is a picturesque small town set near the Colorado River and surrounded by stunning Western Slope scenery. Known for its historic downtown, friendly atmosphere, and convenient access to outdoor adventures, it offers a welcoming base for exploring the Roaring Fork Valley.
Geographic Context
Jurisdiction
United States
State
Colorado
Population
4,923
Time Zone
America/Denver
Coordinates
39.57°, -107.54°
Key Metrics
Safety Score
80
Female Safety
82
LGBTQ+ Safety
72
Traffic Safety
74
Food Safety
95
Monthly Cost
$2,550
Local Cost
$1,720
Local Income
$4,300
Cashless
78
English
100
Temperature
5.2°C
Summer Avg
17.8°C
Winter Avg
-7.0°C
Record High
33.7°C
Record Low
-31.8°C
Humidity
59%
Precipitation
492 mm
Internet Speed
13 Mbps
Upload
2 Mbps
Latency
27 ms
City Vibrancy
13
Coworking
0
Cafes
0
Nightlife
2
Parks
11
Transport
7
Walk Score
7
Footways
13.0
Airport
RIL
Distance
17 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 1 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 77/100.
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