Unlock more jurisdiction sub-pages
Subscribe for full sub-page depth, saves, alerts, and exports.
Mason County
City in Illinois, United States
Overview
Mason County, Illinois, is a quintessential rural American county known for its small-town atmosphere, historic roots, and vast natural spaces along the Illinois River. The area offers a relaxing escape with friendly communities, local events, and access to outdoor adventures.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
65,726
Time Zone
America/Chicago
Coordinates
40.24°, -89.92°
Key Metrics
Safety Score
70
Female Safety
65
LGBTQ+ Safety
60
Traffic Safety
75
Food Safety
85
Monthly Cost
$1,805
Local Cost
$1,090
Local Income
$2,700
Cashless
65
English
99
Temperature
11.7°C
Summer Avg
24.0°C
Winter Avg
-1.7°C
Record High
43.1°C
Record Low
-28.2°C
Humidity
76%
Precipitation
984 mm
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
0
Walk Score
0
Footways
—
Airport
SPI
Distance
48 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.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-05.
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 60/100.
Subscribe to unlock more jurisdiction sub-pages this month.
You can keep discovering Oyster publicly, but full multi-jurisdiction depth, tracking, alerts, and exports are part of paid access.