Where fiber is being built in Wisconsin
As of Dec 31, 2025, FCC filings show fiber at 49.6% of Wisconsin's 3.2 million homes, and the number of fiber homes grew 9.5% from June 30, 2025.
Fiber was filed in 550 of 579 Wisconsin cities and towns with 250 or more homes. In 266 of them it reached more than half of homes, and in the typical one it reached 45.9%.
Nationally, fiber was filed at 55.8% of homes. FCC Broadband Data Collection, residential units, 25/3 Mbps or faster. Filed by the providers themselves. How this is computed
Wisconsin counties
Pick a county for its full set of measures, grants and providers. Shares are of residential units, FCC filing as of Dec 31, 2025; growth is from June 30, 2025.
| County | Homes | Fiber share | Cable, no fiber | Fiber home growth |
|---|---|---|---|---|
| Adams County | 19,493 | 87.9% | at least 3% | +19.7% |
| Ashland County | 10,915 | 49.5% | at least 15.6% | +12.4% |
| Barron County | 28,454 | 54.1% | at least 31% | -2.2% |
| Bayfield County | 15,081 | 68.6% | at least 14.4% | no change |
| Brown County | 127,975 | 55.5% | at least 35.9% | +12.4% |
| Buffalo County | 8,936 | 75.3% | at least 14.2% | +15.8% |
| Burnett County | 17,091 | 76.8% | at least 3.1% | -3.1% |
| Calumet County | 24,700 | 48.2% | at least 34.7% | +4.9% |
| Chippewa County | 34,599 | 64.2% | at least 26.2% | +1.6% |
| Clark County | 19,028 | 12.1% | at least 31.2% | +16.2% |
| Columbia County | 32,318 | 37.4% | at least 40.7% | +24% |
| Crawford County | 11,168 | 41.1% | at least 34.7% | -3.6% |
| Dane County | 294,783 | 62.4% | at least 31.9% | +7.6% |
| Dodge County | 45,421 | 20.7% | at least 66.5% | +10.2% |
| Door County | 28,088 | 16.9% | at least 36.7% | +127.2% |
| Douglas County | 26,311 | 14% | at least 49.9% | +95.9% |
| Dunn County | 22,777 | 73.1% | at least 24.3% | +5.4% |
| Eau Claire County | 54,310 | 57.3% | at least 38.7% | +20.6% |
| Florence County | 5,143 | 4.3% | at least 31.8% | +1.9 points (small June base) |
| Fond du Lac County | 51,978 | 40% | at least 50.9% | +11.9% |
| Forest County | 10,054 | 19.1% | at least 27.2% | +7.1% |
| Grant County | 27,966 | 64.6% | at least 6.3% | +10.2% |
| Green County | 19,802 | 44.1% | at least 18.2% | +9.1% |
| Green Lake County | 13,033 | 25.4% | at least 52.8% | +81.5% |
| Iowa County | 13,827 | 40.9% | at least 18.5% | +2.4% |
| Iron County | 6,534 | 17.2% | at least 9.2% | +111.7% |
| Jackson County | 12,181 | 28.2% | at least 20% | +8.4% |
| Jefferson County | 43,384 | 30.2% | at least 58.1% | +20.5% |
| Juneau County | 17,994 | 81.8% | at least 5.2% | +4.3% |
| Kenosha County | 79,739 | 56.4% | at least 39.4% | +43.2% |
| Kewaunee County | 11,387 | 26.4% | at least 24.4% | no change |
| La Crosse County | 61,625 | 63.6% | at least 29.1% | +12.5% |
| Lafayette County | 9,866 | 41.5% | at least 5.3% | -0.9% |
| Langlade County | 14,247 | 40.1% | at least 21.7% | +4.6% |
| Lincoln County | 18,524 | 29.8% | at least 28.6% | +44.9% |
| Manitowoc County | 42,303 | 28.4% | at least 49.5% | +21.3% |
| Marathon County | 69,888 | 66.7% | at least 16.4% | +2.2% |
| Marinette County | 33,493 | 50.9% | at least 18.6% | +34% |
| Marquette County | 11,569 | 74.3% | at least 15% | +13.5% |
| Menominee County | 2,475 | 6.3% | at least 83.4% | +1.4 points (small June base) |
| Milwaukee County | 471,009 | 52.5% | at least 44% | +8.4% |
| Monroe County | 24,660 | 50.5% | at least 19.3% | +6.3% |
| Oconto County | 27,043 | 46.8% | at least 18.4% | +9.2% |
| Oneida County | 34,385 | 39.3% | at least 36% | +24.8% |
| Outagamie County | 91,403 | 70.5% | at least 24.4% | +5.6% |
| Ozaukee County | 44,123 | 28% | at least 64.6% | +18.6% |
| Pepin County | 4,687 | 89% | at least 3.8% | +0.7% |
| Pierce County | 19,621 | 56.1% | at least 40.8% | -2.4% |
| Polk County | 27,455 | 73.6% | at least 21% | +1.2% |
| Portage County | 36,389 | 75.1% | at least 19.6% | -2.7% |
| Price County | 12,377 | 48.8% | at least 12.2% | -1.4% |
| Racine County | 93,699 | 40.1% | at least 56.1% | +26.6% |
| Richland County | 10,772 | 71.9% | at least 9.9% | -6.2% |
| Rock County | 76,349 | 50.1% | at least 39.9% | +9.4% |
| Rusk County | 11,199 | 55.5% | at least 9.1% | +2.4% |
| Sauk County | 38,855 | 64.7% | at least 25.3% | +2.4% |
| Sawyer County | 19,194 | 34.4% | at least 27.4% | +8.2% |
| Shawano County | 24,439 | 52.4% | at least 21% | +0.4% |
| Sheboygan County | 59,416 | 33.7% | at least 55.7% | +27.6% |
| St. Croix County | 44,652 | 73.2% | at least 22.8% | +7% |
| Taylor County | 11,219 | 53.7% | at least 3.3% | +11.4% |
| Trempealeau County | 17,372 | 47% | at least 30.3% | +22.5% |
| Vernon County | 18,613 | 94.9% | at least 2.2% | +2.5% |
| Vilas County | 27,490 | 57.9% | at least 13.3% | +17.9% |
| Walworth County | 61,407 | 36.9% | at least 56.5% | +1.9% |
| Washburn County | 15,739 | 18.1% | at least 24.7% | -2.4% |
| Washington County | 65,103 | 24.1% | at least 68.8% | +4.7% |
| Waukesha County | 192,909 | 26.5% | at least 68.7% | +16.6% |
| Waupaca County | 30,049 | 36.7% | at least 42.8% | +21.7% |
| Waushara County | 17,585 | 43.9% | at least 17% | +2.4% |
| Winnebago County | 85,099 | 44.8% | at least 48% | -12% |
| Wood County | 38,765 | 71.2% | at least 13.8% | +5.1% |
The 30 largest places in Wisconsin
By number of homes. Search above for any of the other 774 cities and towns.
| City or town | Homes | Fiber share | Cable, no fiber | Fiber home growth |
|---|---|---|---|---|
| Milwaukee | 294,188 | 54.8% | at least 41.9% | +8.9% |
| Madison | 147,944 | 53.8% | at least 42.5% | +13.2% |
| Green Bay | 50,528 | 57.4% | at least 39.5% | +12.9% |
| Kenosha | 44,198 | 68.6% | at least 28.4% | +63.1% |
| Waukesha | 36,487 | 46.7% | at least 50% | +12.8% |
| Racine | 35,989 | 41.6% | at least 55.8% | +7.6% |
| Appleton | 35,974 | 92.6% | at least 6.2% | +1% |
| Eau Claire | 35,648 | 55.7% | at least 40.8% | +30.1% |
| Oshkosh | 33,725 | 41.4% | at least 55% | +6.7% |
| Janesville | 30,257 | 64.9% | at least 25.7% | +14.9% |
| West Allis | 29,441 | 57% | at least 40% | +7.5% |
| La Crosse | 27,401 | 75.6% | at least 22.7% | +22.1% |
| Sheboygan | 24,897 | 36.3% | at least 61.2% | +7.7% |
| Wauwatosa | 23,366 | 76.2% | at least 17.9% | +1.2% |
| Fond du Lac | 22,242 | 47.5% | at least 48.1% | +13.3% |
| Wausau | 19,834 | 89.2% | at least 9.3% | -0.4% |
| Greenfield | 19,577 | 35.5% | at least 61.3% | +5.3% |
| New Berlin | 18,909 | 38.6% | at least 59.3% | +10.6% |
| Brookfield | 18,821 | 42.3% | at least 52.5% | +20% |
| Oak Creek | 18,788 | 26.6% | at least 67% | +43.2% |
| Menomonee Falls | 18,746 | 34.1% | at least 61.6% | +11.9% |
| Manitowoc | 17,969 | 34.6% | at least 65.2% | +55.3% |
| Sun Prairie | 17,938 | 97.5% | at least 2.3% | no change |
| Franklin | 16,623 | 24.6% | at least 72.6% | +27.4% |
| Beloit | 16,221 | 25.9% | at least 71.6% | +4.9% |
| West Bend | 16,047 | 45.6% | at least 51.4% | +1.8% |
| Fitchburg | 15,997 | 51% | at least 45.2% | +22.7% |
| Mount Pleasant | 14,212 | 40.2% | at least 54.9% | +249.2% |
| Superior | 13,464 | 11.5% | at least 79.4% | +11.2 points (small June base) |
| Neenah | 12,234 | 73.2% | at least 25% | -3.3% |
The data
Every number on this page traces to one cell in the download. Source: FCC Broadband Data Collection, Fixed Broadband Summary by Geography, filings as of June 30, 2025 and Dec 31, 2025. Census figures: ACS 5-year estimates, 2020 to 2024. Grants: FCC Broadband Funding Map and the state broadband office.
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Figures come from provider filings with the FCC, which providers report themselves and which can be challenged. Nothing on this page is a promise of territory, earnings or service at any address.