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Alton
City in Illinois, United States
Overview
Alton, Illinois is a quaint river city set along the Mississippi, rich in Civil War history and famed for its limestone bluffs and vintage architecture. It's a gateway to scenic drives, antique hunting, and regional Americana, attracting visitors seeking both relaxation and exploration.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
829
Time Zone
America/Chicago
Coordinates
38.89°, -90.18°
Key Metrics
Safety Score
58
Female Safety
55
LGBTQ+ Safety
55
Traffic Safety
68
Food Safety
93
Monthly Cost
$1,825
Local Cost
$1,140
Local Income
$2,300
Cashless
70
English
100
Temperature
12.5°C
Summer Avg
24.4°C
Winter Avg
-0.5°C
Record High
42.5°C
Record Low
-24.7°C
Humidity
76%
Precipitation
1079 mm
Internet Speed
279 Mbps
Upload
142 Mbps
Latency
17 ms
City Vibrancy
22
Coworking
0
Cafes
0
Nightlife
6
Parks
16
Transport
57
Walk Score
57
Footways
113.0
Airport
ALN
Distance
13 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-23.
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 11 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-08.
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 56/100.
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