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DuPage County
City in Illinois, United States
Overview
DuPage County is a prosperous suburban region just west of Chicago, known for its excellent schools, parks, and safe, diverse communities. With busy downtowns, natural beauty, and a rich cultural scene, it's a favorite for families and business travelers alike.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
932,877
Time Zone
America/Chicago
Coordinates
41.85°, -88.09°
Key Metrics
Safety Score
85
Female Safety
82
LGBTQ+ Safety
75
Traffic Safety
70
Food Safety
95
Monthly Cost
$3,390
Local Cost
$2,180
Local Income
$4,600
Cashless
95
English
100
Temperature
9.4°C
Summer Avg
22.2°C
Winter Avg
-4.1°C
Record High
40.5°C
Record Low
-38.4°C
Humidity
78%
Precipitation
982 mm
Internet Speed
422 Mbps
Upload
120 Mbps
Latency
13 ms
City Vibrancy
14
Coworking
0
Cafes
0
Nightlife
0
Parks
14
Transport
0
Walk Score
0
Footways
—
Airport
DPA
Distance
15 km
Explore
Frequently Asked Questions
Data sources
Source-backed data
NASA POWER - Climate normals and monthly weather measurements rendered as city weather metrics. Updated 2026-03-22.
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 77 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-06.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-05.
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 88/100.
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