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Barnhart
City in Missouri, United States
Overview
Barnhart is a small unincorporated community in Jefferson County, Missouri, just south of St. Louis. It's a primarily suburban and rural area known for its peaceful neighborhoods, local history, and easy highway access, offering a relaxed lifestyle close to urban amenities.
Geographic Context
Jurisdiction
United States
State
Missouri
Population
—
Time Zone
America/Chicago
Coordinates
38.34°, -90.39°
Key Metrics
Safety Score · estimate
63
Female Safety
58
LGBTQ+ Safety
52
Traffic Safety
65
Food Safety
93
Monthly Cost · estimate
$2,065
Local Cost
$1,332
Local Income
$3,400
Cashless
70
English
100
Temperature
13.0°C
Summer Avg
25.0°C
Winter Avg
0.3°C
Record High
42.8°C
Record Low
-24.1°C
Humidity
76%
Precipitation
1090 mm
Internet Speed
384 Mbps
Upload
200 Mbps
Latency
21 ms
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
0
Walk Score
0
Footways
—
Airport
CPS
Distance
33 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 2025-12-09.
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 2026-03-23.
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: 57/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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