Markham
City in Illinois, United States
Overview
Markham is a small, residential city in Cook County, Illinois, blending suburban community living with easy access to Chicago's south suburbs. It offers a modest local dining scene, numerous parks, and convenient proximity to highways for regional exploration.
Geographic Context
Jurisdiction
United States
State
Illinois
Population
11,661
Time Zone
America/Chicago
Coordinates
41.59°, -87.69°
Key Metrics
Safety Score
45
Female Safety
50
LGBTQ+ Safety
55
Traffic Safety
60
Food Safety
85
Monthly Cost
$1,970
Local Cost
$1,370
Local Income
$2,300
Cashless
90
English
100
Temperature
10.1°C
Summer Avg
22.3°C
Winter Avg
-2.7°C
Record High
39.5°C
Record Low
-31.3°C
Humidity
79%
Precipitation
976 mm
Internet Speed
96 Mbps
Upload
78 Mbps
Latency
8 ms
City Vibrancy
8
Coworking
0
Cafes
1
Nightlife
0
Parks
7
Transport
20
Walk Score
20
Footways
39.0
Airport
MDW
Distance
22 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 3 tests. Updated 2025-12-05.
OpenStreetMap - Nearby amenities counted from OpenStreetMap-derived city extracts. Updated 2025-12-07.
OpenStreetMap transport extract - Walkability, footway density, and airport access metrics derived from mapped transport features. Updated 2025-12-06.
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 70/100.