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DSDownloadSpeed
FCC Data · Updated April 2026
A

Sauk County Internet

Sauk County, Wisconsin has a Broadband Grade of A with an average download speed of 1000 Mbps across 14 ZIP codes. 100% of the county has fiber internet access, and the area averages 10 providers per ZIP code. Internet access is above average for the U.S.

92
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in Sauk County

A
14
B
0
C
0
D
0
F
0
Best

Fastest ZIP Codes in Sauk County

ZIPGradeDownloadProvidersFiber
53561A1000 Mbps10Yes
53577A1000 Mbps10Yes
53578A1000 Mbps10Yes
53583A1000 Mbps10Yes
53588A1000 Mbps10Yes
53913A1000 Mbps10Yes
53937A1000 Mbps10Yes
53940A1000 Mbps10Yes
53941A1000 Mbps10Yes
53942A1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in Sauk County

ZIPGradeDownloadProvidersFiber
53561A1000 Mbps10Yes
53577A1000 Mbps10Yes
53578A1000 Mbps10Yes
53583A1000 Mbps10Yes
53588A1000 Mbps10Yes
53913A1000 Mbps10Yes
53937A1000 Mbps10Yes
53940A1000 Mbps10Yes
53941A1000 Mbps10Yes
53942A1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in Sauk County, Wisconsin?

Sauk County, Wisconsin has an average maximum download speed of 1000 Mbps across 14 ZIP codes. The county received a Broadband Grade of A (92/100), 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 Sauk County?

Sauk 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 Sauk County?

100% of ZIP codes in Sauk County, Wisconsin 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 Sauk County?

The best-connected ZIP code in Sauk County is 53561 with a Broadband Grade of A, 1000 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.

Test Your Speed

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