Byrnes Mill
City in Missouri, United States
Overview
Byrnes Mill is a small, tranquil city set along the Big River in eastern Missouri. Known for its tight-knit community, beautiful natural surroundings, and easy access to greater St. Louis, it's a welcoming destination for families and nature lovers.
Geographic Context
Jurisdiction
United States
State
Missouri
Population
3,173
Time Zone
America/Chicago
Coordinates
38.44°, -90.58°
Key Metrics
Safety Score
72
Female Safety
68
LGBTQ+ Safety
55
Traffic Safety
68
Food Safety
90
Monthly Cost
$1,880
Local Cost
$1,240
Local Income
$3,500
Cashless
75
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
396 Mbps
Upload
90 Mbps
Latency
11 ms
City Vibrancy
1
Coworking
0
Cafes
0
Nightlife
0
Parks
1
Transport
0
Walk Score
0
Footways
—
Airport
SUS
Distance
26 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 11 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 74/100.