Home Reports 2025 Global United States Illinois Chicago

Internet Speed Report Chicago September 2025

A comprehensive analysis of broadband performance in Chicago based on real user speed tests conducted on Bandwidth Place.

Total Tests

55

Avg. Download

426.43Mbps

Avg. Upload

136.29Mbps

Avg. Ping

29.1ms

Top Internet Providers

Provider Avg Speed
Comcast Cable Communications, LLC 790.9 Mbps
Comcast Cable Communications, LLC 494.5 Mbps
RCN 178.1 Mbps
Comcast Cable Communications 382.0 Mbps
RCN 164.7 Mbps
AT&T Services, Inc. 153.7 Mbps
Comcast Cable Communications, LLC 346.7 Mbps
SilverIP Communications Inc. 455.3 Mbps
RCN 1,054.1 Mbps
The Constant Company 168.6 Mbps

Top Devices

Device Share
iPhone 9.1%
Generic Smartphone 3.6%
Generic Smartphone 1.8%
iPhone 1.8%
Generic Smartphone 1.8%

Top Browsers

Browser Share
Chrome 29.1%
Opera 21.8%
Mobile Safari 9.1%
Chrome 5.5%
Opera 3.6%
Chrome Mobile 3.6%
Firefox 3.6%
Samsung Internet 1.8%
Firefox 1.8%
Safari 1.8%

Analysis Methodology

The data presented in this report is aggregated directly from real user speed tests performed on the Bandwidth Place platform testing network nodes globally during 2025. We calculate the localized metrics using strict data sanity checks to prevent skewed results from anomalies or extreme outliers.

SEO & Location Routing Structure: Because location data is structurally rigid, caching data dynamically to static hierarchy (Country -> State -> City) provides significant improvements to PageSpeed metrics and Time to First Byte (TTFB). This strategy ensures optimum indexing for search engines processing localized queries.