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DSDownloadSpeed
FCC Data · Updated April 2026
B

McCook County Internet

McCook County, South Dakota has a Broadband Grade of B with an average download speed of 1000 Mbps across 6 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.

79
Score
1000 Mbps
Avg Download
100%
Fiber Access
10
Avg Providers
Grade Distribution

ZIP Code Grades in McCook County

A
0
B
6
C
0
D
0
F
0
Best

Fastest ZIP Codes in McCook County

ZIPGradeDownloadProvidersFiber
57012B1000 Mbps10Yes
57047B1000 Mbps10Yes
57048B1000 Mbps10Yes
57058B1000 Mbps10Yes
57319B1000 Mbps10Yes
57374B1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in McCook County

ZIPGradeDownloadProvidersFiber
57012B1000 Mbps10Yes
57047B1000 Mbps10Yes
57048B1000 Mbps10Yes
57058B1000 Mbps10Yes
57319B1000 Mbps10Yes
57374B1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in McCook County, South Dakota?

McCook County, South Dakota has an average maximum download speed of 1000 Mbps across 6 ZIP codes. The county received a Broadband Grade of B (79/100), 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 McCook County?

McCook 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 McCook County?

100% of ZIP codes in McCook County, South Dakota 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 McCook County?

The best-connected ZIP code in McCook County is 57012 with a Broadband Grade of B, 1000 Mbps maximum download, and 10 providers. Fiber internet is available in this ZIP code.

Test Your Speed

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