Home Reports 2025 Global United States Illinois

Internet Speed Report Illinois June 2025

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

Total Tests

192

Avg. Download

336.92Mbps

Avg. Upload

143.71Mbps

Avg. Ping

27.6ms

Top Internet Providers

Provider Avg Speed
Comcast Cable Communications, LLC 314.7 Mbps
Comcast Cable Communications 287.9 Mbps
AT&T Services, Inc. 282.0 Mbps
Comcast Cable Communications, LLC 358.6 Mbps
Comcast Cable Communications, LLC 387.8 Mbps
AT&T Services, Inc. 313.4 Mbps
Comcast Cable Communications, LLC 376.4 Mbps
Comcast Cable Communications, LLC 240.0 Mbps
Wolfram Research 220.8 Mbps
Mediacom Communications Corp 431.1 Mbps

Top Devices

Device Share
iPhone 8.3%
iPhone 4.2%
Generic Smartphone 2.1%
iPhone 2.1%

Top Browsers

Browser Share
Chrome 11.5%
Firefox 8.3%
Mobile Safari 8.3%
Chrome 6.8%
Safari 6.3%
Chrome 5.7%
Firefox 5.7%
Mobile Safari 4.2%
Firefox 3.6%
Chrome 3.1%

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.