Internet Speeds in Naperville, IL

Naperville residents have 2 internet providers to choose from. Xfinity is the most popular provider, offering cable and fiber internet service. In our research, we have been seeing 161 Mbps for download speeds and 20 Mbps for upload speeds for Xfinity customers over 26,867 recent tests. In addition to Xfinity, DSL and fiber internet service is also available from AT&T.

See more detailed speed and coverage data below.

Last updated on June 4, 2023
ProviderDownload SpeedUpload SpeedLatency
Xfinity
Cable
Fiber
View Details →
161 Mbps20 Mbps9 ms
AT&T
DSL
Fiber
View Details →
79 Mbps37 Mbps7 ms
* Data from speed tests taken in the last 3 months

Internet Providers in Naperville, IL

Xfinity

Cable
Fiber

Download Speed

161Mbps

Upload Speed

20Mbps

Latency

9ms

Overview

Xfinity is the most popular provider in Naperville offering cable and fiber internet service. Users have been getting 161 Mbps for download speeds and 20 Mbps for upload speeds over 26,867 recent tests.

Performance Breakdown

Xfinity has the fastest average download speed, the 2nd fastest average upload speed, and the 2nd lowest latency out of all of the providers in Naperville. 30% of users saw download speeds between 100-250 Mbps, and 58% of users saw upload speeds between 10-25 Mbps.

Download Speeds

Upload Speeds

Recent Xfinity Speed Tests in Naperville

DateDownload SpeedUpload SpeedLatency
June 3, 202393 Mbps23 Mbps6 ms
June 3, 2023235 Mbps23 Mbps6 ms
June 3, 2023235 Mbps23 Mbps7 ms
June 3, 2023173 Mbps38 Mbps10 ms
June 3, 2023118 Mbps23 Mbps8 ms
June 3, 2023119 Mbps22 Mbps22 ms
June 3, 202313 Mbps11 Mbps16 ms
June 3, 20236 Mbps1 Mbps10 ms
June 3, 2023457 Mbps24 Mbps10 ms
June 3, 2023119 Mbps18 Mbps8 ms

AT&T

DSL
Fiber

Download Speed

79Mbps

Upload Speed

37Mbps

Latency

7ms

Overview

AT&T is the 2nd most popular provider in Naperville offering DSL and fiber internet service. Users have been getting 79 Mbps for download speeds and 37 Mbps for upload speeds over 4,850 recent tests.

Performance Breakdown

AT&T has the 2nd fastest average download speed, the fastest average upload speed, and the lowest latency out of all of the providers in Naperville. 28% of users saw download speeds between 50-100 Mbps, and 19% of users saw upload speeds slower than 5 Mbps.

Download Speeds

Upload Speeds

Recent AT&T Speed Tests in Naperville

DateDownload SpeedUpload SpeedLatency
June 3, 2023492 Mbps384 Mbps5 ms
June 3, 20234 Mbps2 Mbps25 ms
June 3, 2023538 Mbps351 Mbps4 ms
June 3, 2023175 Mbps21 Mbps6 ms
June 3, 2023538 Mbps277 Mbps5 ms
June 3, 2023443 Mbps1 Mbps4 ms
June 3, 202331 Mbps6 Mbps21 ms
June 3, 202353 Mbps104 Mbps5 ms
June 3, 2023328 Mbps282 Mbps4 ms
June 3, 202313 Mbps23 Mbps7 ms

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Frequently Asked Questions

What internet providers are available in Naperville, IL?

Xfinity and AT&T currently operate in Naperville.

What is the most popular internet provider in Naperville, IL?

Xfinity is currently the most popular internet provider in Naperville based on the number of speed tests in the last 3 months.

What is the fastest internet provider in Naperville, IL?

The fastest internet provider for you is going to differ based on your needs, and which providers actually serve your home. However, when it comes to the real speeds users in Naperville are getting, Xfinity provides the fastest download and upload speeds.

Is there fiber internet in Naperville, IL?

AT&T and Xfinity provide fiber internet in Naperville.