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Sumner
City in Illinois, United States
Overview
Sumner is a quaint city in southeastern Illinois, beloved for its rural charm and strong sense of community. With under 300 residents, visitors enjoy welcoming locals and a serene pace of life surrounded by fields and small-town Americana.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
252
Time Zone
America/Chicago
Coordinates
38.72°, -87.86°
Key Metrics
Safety Score · estimate
60
Female Safety
55
LGBTQ+ Safety
50
Traffic Safety
75
Food Safety
80
Monthly Cost · estimate
$1,602
Local Cost
$965
Local Income
$2,100
Cashless
30
English
100
Temperature
12.9°C
Summer Avg
24.4°C
Winter Avg
0.5°C
Record High
42.9°C
Record Low
-24.7°C
Humidity
77%
Precipitation
1172 mm
Internet Speed
14 Mbps
Upload
5 Mbps
Latency
31 ms
City Vibrancy
—
Coworking
0
Cafes
0
Nightlife
0
Parks
0
Transport
67
Walk Score
67
Footways
133.0
Airport
LWV
Distance
22 km
Explore
Data sources
Source-backed data
World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Record updated 2025-12-08.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Record updated 2025-12-06.
Estimates and unverified origins
Oyster List climate data - Climate origins are unverified. Available methods include historical APIs and AI estimates; stored rows do not identify the original dataset, reference period, or model for each value. Treat these summaries as estimates until independently verified. Record updated 2026-03-23.
Oyster List city price estimates - Price origins are unverified. Available generation methods include AI estimates; stored records do not identify a survey, observation period, or model for each price. Record updated 2026-01-14.
Oyster List AI-assisted estimates - Safety, lifestyle, income, and practical scores include model-assisted estimates. Stored records do not identify supporting observations for each score. Model-reported confidence: 45/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.
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