FCC Data · Updated April 2026
Wisconsin Internet Overview
946 Mbps avg · 783 ZIP codes · 96% fiber · 72 counties
946
Avg Mbps
96%
Fiber Access
10
Avg Providers
783
ZIP Codes
County Grade Distribution
A
19
B
35
C
18
D
0
F
0
Best Broadband Counties in Wisconsin
| County | Grade | Avg Download | Fiber | ZIPs |
|---|---|---|---|---|
| Vernon | A | 1000 Mbps | 100% | 10 |
| Pepin | A | 1000 Mbps | 100% | 4 |
| Bayfield | A | 1000 Mbps | 100% | 10 |
| St. Croix | A | 1000 Mbps | 100% | 11 |
| Wood | A | 1000 Mbps | 100% | 12 |
| Milwaukee | A | 1000 Mbps | 100% | 36 |
| Dane | A | 1000 Mbps | 100% | 35 |
| Buffalo | A | 1000 Mbps | 100% | 5 |
| Sauk | A | 1000 Mbps | 100% | 14 |
| Burnett | A | 1000 Mbps | 100% | 6 |
| Polk | A | 1000 Mbps | 100% | 14 |
| Grant | A | 1000 Mbps | 100% | 21 |
| Portage | A | 1000 Mbps | 100% | 11 |
| Green | A | 1000 Mbps | 100% | 7 |
| Barron | A | 1000 Mbps | 100% | 11 |
Slowest Counties in Wisconsin
| County | Grade | Avg Download | Fiber | ZIPs |
|---|---|---|---|---|
| Lafayette | C | 100 Mbps | 100% | 9 |
| Iron | C | 100 Mbps | 0% | 7 |
| Clark | C | 1000 Mbps | 100% | 14 |
| Green Lake | C | 100 Mbps | 100% | 6 |
| Florence | C | 100 Mbps | 0% | 2 |
| Washburn | C | 1000 Mbps | 100% | 7 |
| Columbia | C | 1000 Mbps | 100% | 13 |
| Price | C | 1000 Mbps | 100% | 8 |
| Lincoln | C | 1000 Mbps | 100% | 4 |
| Oconto | C | 1000 Mbps | 100% | 12 |
| Marinette | C | 1000 Mbps | 100% | 12 |
| Rusk | C | 1000 Mbps | 100% | 7 |
| Dodge | C | 1000 Mbps | 100% | 20 |
| Sawyer | C | 1000 Mbps | 100% | 7 |
| Iowa | C | 1000 Mbps | 100% | 11 |
All 72 Counties in Wisconsin
AVernon
APepin
ABayfield
ASt. Croix
AWood
AMilwaukee
ADane
ABuffalo
ASauk
ABurnett
APolk
AGrant
APortage
AGreen
ABarron
ADunn
AAdams
AJuneau
ATrempealeau
BPierce
BMarathon
BLa Crosse
BChippewa
BRacine
BTaylor
BRichland
BWinnebago
BMarquette
BOzaukee
BWaukesha
BLanglade
BKenosha
BWalworth
BBrown
BSheboygan
BCrawford
BShawano
BMonroe
BEau Claire
BWashington
BCalumet
BForest
BOutagamie
BAshland
BDouglas
BManitowoc
BRock
BKewaunee
BOneida
BFond du Lac
BWaushara
BJefferson
BDoor
BVilas
CIowa
CMenominee
CJackson
CWaupaca
CDodge
CSawyer
COconto
CMarinette
CRusk
CLincoln
CPrice
CColumbia
CGreen Lake
CFlorence
CWashburn
CClark
CIron
CLafayette
Internet Providers in Wisconsin
| Provider | ZIP Codes | Max Speed |
|---|---|---|
| T-Mobile | — | 25 Mbps |
| Charter (Spectrum) | — | 1,000 Mbps |
| AT&T | 783 | 1,000 Mbps |
| Lumen (CenturyLink) | 783 | 940 Mbps |
| United States Cellular Corporation | 783 | 2 Mbps |
| Frontier Communications | 783 | 1,000 Mbps |
| King Street L.p. | 783 | 10 Mbps |
| Ethoplex | 783 | 100 Mbps |
| Bug Tussel Wireless, LLC | 783 | 12 Mbps |
Cities in Wisconsin
Neighboring States
Test Your Speed
See how your connection compares to the 946 Mbps average in Wisconsin.
Frequently Asked Questions
What is the average internet speed in Wisconsin?
Wisconsin has an average maximum download speed of 946 Mbps across 783 ZIP codes. 96% of areas have fiber internet access, and the state averages 10 providers per ZIP code.
Which counties in Wisconsin have the best internet?
The counties with the best broadband in Wisconsin include Vernon (Grade A), Pepin (Grade A), Bayfield (Grade A). These areas have the fastest average speeds and most provider competition.
How does Wisconsin compare to the national average?
The national average download speed is 876 Mbps, while Wisconsin averages 946 Mbps — above the national average. Nationally, 96% of areas have fiber, compared to 96% in Wisconsin.
Sources: FCC Broadband Data Collection