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Mercer County
City in Illinois, United States
Overview
Mercer County, Illinois is a small, rural area known for its tight-knit communities and scenic countryside. Visitors can enjoy peaceful towns, outdoor activities along the Mississippi River, and a welcoming Midwest atmosphere.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
8,350
Time Zone
America/Chicago
Coordinates
41.21°, -90.74°
Key Metrics
Safety Score
80
Female Safety
75
LGBTQ+ Safety
50
Traffic Safety
85
Food Safety
95
Monthly Cost
$1,645
Local Cost
$1,020
Local Income
$2,950
Cashless
70
English
100
Temperature
10.6°C
Summer Avg
23.5°C
Winter Avg
-3.3°C
Record High
42.9°C
Record Low
-35.6°C
Humidity
76%
Precipitation
929 mm
City Vibrancy
8
Coworking
0
Cafes
0
Nightlife
1
Parks
7
Transport
100
Walk Score
100
Footways
486.0
Airport
MLI
Distance
33 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 2025-12-07.
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 70/100.
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