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Henry County
City in Illinois, United States
Overview
Henry County, Illinois is a welcoming rural county in northwest Illinois, characterized by close-knit communities, small towns, and scenic countryside. Visitors enjoy its historic downtowns, family-friendly neighborhoods, and easy access to outdoor activities along the Hennepin Canal.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
27,662
Time Zone
America/Chicago
Coordinates
41.35°, -90.13°
Key Metrics
Safety Score
80
Female Safety
75
LGBTQ+ Safety
65
Traffic Safety
76
Food Safety
95
Monthly Cost
$1,840
Local Cost
$1,135
Local Income
$2,750
Cashless
65
English
97
Temperature
10.0°C
Summer Avg
22.9°C
Winter Avg
-4.0°C
Record High
42.4°C
Record Low
-36.6°C
Humidity
77%
Precipitation
942 mm
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
0
Walk Score
0
Footways
—
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 2025-12-06.
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 77/100.
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