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DSDownloadSpeed
FCC Data · Updated April 2026
C

LaSalle County Internet

LaSalle County, Illinois has a Broadband Grade of C with an average download speed of 1000 Mbps across 26 ZIP codes. 100% of the county has fiber internet access, and the area averages 10 providers per ZIP code. Internet access is near the national average.

59
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in LaSalle County

A
0
B
0
C
26
D
0
F
0
Best

Fastest ZIP Codes in LaSalle County

ZIPGradeDownloadProvidersFiber
60470C1000 Mbps10Yes
60518C1000 Mbps10Yes
60531C1000 Mbps10Yes
60537C1000 Mbps10Yes
60549C1000 Mbps10Yes
60551C1000 Mbps10Yes
60557C1000 Mbps10Yes
61301C1000 Mbps10Yes
61316C1000 Mbps10Yes
61321C1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in LaSalle County

ZIPGradeDownloadProvidersFiber
60470C1000 Mbps10Yes
60518C1000 Mbps10Yes
60531C1000 Mbps10Yes
60537C1000 Mbps10Yes
60549C1000 Mbps10Yes
60551C1000 Mbps10Yes
60557C1000 Mbps10Yes
61301C1000 Mbps10Yes
61316C1000 Mbps10Yes
61321C1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in LaSalle County, Illinois?

LaSalle County, Illinois has an average maximum download speed of 1000 Mbps across 26 ZIP codes. The county received a Broadband Grade of C (59/100), which factors in download speed, provider competition, fiber availability, and upload speed. This meets the FCC broadband standard of 100 Mbps download.

How many internet providers are in LaSalle County?

LaSalle County has an average of 10 internet providers per ZIP code. 100% of ZIP codes in the county have fiber internet access. Having 3 or more providers typically leads to better prices and service quality through competition.

Is there fiber internet in LaSalle County?

100% of ZIP codes in LaSalle County, Illinois have fiber internet available. Fiber provides the fastest and most reliable connections, typically 500 Mbps to 5 Gbps with symmetrical upload speeds. Fiber coverage in this county is above the national average.

What is the best ZIP code for internet in LaSalle County?

The best-connected ZIP code in LaSalle County is 60470 with a Broadband Grade of C, 1000 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.

Test Your Speed

See how your connection compares to LaSalle County's 1000 Mbps average.