Lake Forest
City in Illinois, United States
Overview
Lake Forest is a city in United States.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
85,858
Time Zone
America/Chicago
Coordinates
42.26°, -87.84°
Key Metrics
Safety Score
90
Female Safety
87
LGBTQ+ Safety
80
Traffic Safety
85
Food Safety
98
Monthly Cost
$4,395
Local Cost
$2,590
Local Income
$6,200
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
373 Mbps
Upload
65 Mbps
Latency
14 ms
City Vibrancy
13
Coworking
0
Cafes
3
Nightlife
2
Parks
8
Transport
0
Walk Score
0
Footways
—
Airport
PWK
Distance
16 km
Explore
Frequently Asked Questions
Sources: Ookla | Teleport | OpenStreetMap · Last updated: 2025