Round Lake
City in Illinois, United States
Overview
Round Lake is a small, charming village in northern Illinois that offers a tranquil suburban lifestyle surrounded by lakes and green spaces. Known for its tight-knit community and welcoming atmosphere, it's a peaceful retreat away from the hustle of the city. While compact, it offers outdoor recreational opportunities and easy rail access to Chicago.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
377
Time Zone
America/Chicago
Coordinates
42.35°, -88.09°
Key Metrics
Safety Score · estimate
75
Female Safety
70
LGBTQ+ Safety
75
Traffic Safety
80
Food Safety
94
Monthly Cost · estimate
$2,360
Local Cost
$1,560
Local Income
$3,100
Cashless
90
English
100
Temperature
8.8°C
Summer Avg
21.5°C
Winter Avg
-4.6°C
Record High
39.8°C
Record Low
-37.1°C
Humidity
80%
Precipitation
972 mm
Internet Speed
36 Mbps
Upload
25 Mbps
Latency
16 ms
City Vibrancy
14
Coworking
0
Cafes
2
Nightlife
2
Parks
10
Transport
54
Walk Score
54
Footways
108.0
Airport
UGN
Distance
20 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: 60/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.