Johnsburg

City in Illinois, United States

Overview

Johnsburg, Illinois is a small, friendly village set along the Fox River in McHenry County. Known for its peaceful neighborhoods, river recreation, and family-friendly atmosphere, it offers a quiet retreat with small-town charm just an hour from Chicago.

Geographic Context

Jurisdiction
United States
State
Illinois
Population
6,355
Time Zone
America/Chicago
Coordinates
42.38°, -88.24°

Key Metrics

Safety Score · estimate
72
Female Safety
70
LGBTQ+ Safety
65
Traffic Safety
78
Food Safety
95
Monthly Cost · estimate
$2,245
Local Cost
$1,570
Local Income
$4,200
Cashless
93
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
177 Mbps
Upload
36 Mbps
Latency
16 ms
City Vibrancy
5
Coworking
0
Cafes
0
Nightlife
1
Parks
4
Transport
3
Walk Score
3
Footways
6.0
Airport
UGN
Distance
31 km

Data sources

Source-backed data

World Air Quality Index - Latest available city-level air quality station measurement. Record updated 2025-12-05.
Ookla Open Data - Internet speed aggregates for 2024Q3 from 4 tests. 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: 70/100; this is not a measured accuracy score. Model: derived+gpt-4.1. Record updated 2026-03-26.