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DSDownloadSpeed
FCC Data · Updated April 2026
B

Polk County Internet

Polk County, Iowa has a Broadband Grade of B with an average download speed of 1000 Mbps across 33 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 Polk County

A
0
B
33
C
0
D
0
F
0
Best

Fastest ZIP Codes in Polk County

ZIPGradeDownloadProvidersFiber
50007B1000 Mbps10Yes
50009B1000 Mbps10Yes
50021B1000 Mbps10Yes
50023B1000 Mbps10Yes
50032B1000 Mbps10Yes
50035B1000 Mbps10Yes
50073B1000 Mbps10Yes
50109B1000 Mbps10Yes
50111B1000 Mbps10Yes
50131B1000 Mbps10Yes
Needs Improvement

Slowest ZIP Codes in Polk County

ZIPGradeDownloadProvidersFiber
50007B1000 Mbps10Yes
50009B1000 Mbps10Yes
50021B1000 Mbps10Yes
50023B1000 Mbps10Yes
50032B1000 Mbps10Yes
50035B1000 Mbps10Yes
50073B1000 Mbps10Yes
50109B1000 Mbps10Yes
50111B1000 Mbps10Yes
50131B1000 Mbps10Yes
FAQ

Frequently Asked Questions

What is the average internet speed in Polk County, Iowa?

Polk County, Iowa has an average maximum download speed of 1000 Mbps across 33 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 Polk County?

Polk 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 Polk County?

100% of ZIP codes in Polk County, Iowa 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 Polk County?

The best-connected ZIP code in Polk County is 50007 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 Polk County's 1000 Mbps average.