Marseilles
City in Illinois, United States
Overview
Marseilles, Illinois is a friendly river town set amidst the scenic beauty of LaSalle County, offering historic charm and access to outdoor recreation. While small, it benefits from local diners, riverside parks, and strong community spirit, making it inviting for travelers seeking Midwestern hospitality.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
4,845
Time Zone
America/Chicago
Coordinates
41.33°, -88.71°
Key Metrics
Safety Score · estimate
68
Female Safety
65
LGBTQ+ Safety
55
Traffic Safety
70
Food Safety
86
Monthly Cost · estimate
$1,800
Local Cost
$1,160
Local Income
$3,150
Cashless
73
English
100
Temperature
9.9°C
Summer Avg
22.5°C
Winter Avg
-3.7°C
Record High
41.5°C
Record Low
-38.6°C
Humidity
78%
Precipitation
963 mm
Internet Speed
275 Mbps
Upload
40 Mbps
Latency
13 ms
City Vibrancy
1
Coworking
0
Cafes
0
Nightlife
0
Parks
1
Transport
11
Walk Score
11
Footways
22.0
Airport
VYS
Distance
37 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 2025-12-07.
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 2026-03-22.
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: 61/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.