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Saint Johns
City in Missouri, United States
Overview
Saint Johns is a compact suburb located in Missouri, part of the greater St. Louis metropolitan area. It offers a laid-back, residential atmosphere with easy access to parks and local shops, making it ideal for families and commuters.
Geographic Context
Jurisdiction
United States
State
Missouri
Population
7,690
Time Zone
America/Chicago
Coordinates
38.71°, -90.34°
Key Metrics
Safety Score
48
Female Safety
50
LGBTQ+ Safety
55
Traffic Safety
65
Food Safety
95
Monthly Cost
$1,880
Local Cost
$1,350
Local Income
$2,800
Cashless
82
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
166 Mbps
Upload
100 Mbps
Latency
6 ms
City Vibrancy
13
Coworking
0
Cafes
0
Nightlife
3
Parks
10
Transport
90
Walk Score
90
Footways
179.0
Airport
STL
Distance
5 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 5 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 72/100.
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