| County | Black Percentage of Total Population |
| Milwaukee |  27 |
| Racine | 12 |
| Kenosha | 7 |
| Dane | 5 |
| Rock | 5 |
| Adams | 3 |
| Dodge | 3 |
| Brown | 3 |
| Juneau | 2 |
| Jackson | 2 |
| Waushara | 2 |
| Crawford | 2 |
| Winnebago | 2 |
| Chippewa | 2 |
| Sheboygan | 2 |
| Fond du Lac | 1 |
| La Crosse | 1 |
| Ozaukee | 1 |
| Waukesha | 1 |
| Columbia | 1 |
| Monroe | 1 |
| Grant | 1 |
| Douglas | 1 |
| Walworth | 1 |
| Outagamie | 1 |
| Forest | 1 |
| Eau Claire | 1 |
| Washington | 1 |
| Barron | 1 |
| Jefferson | 1 |
| Menominee | 1 |
| Marathon | 1 |
| Portage | 1 |
| St. Croix | 1 |
| Sauk | 1 |
| Wood | 1 |
| Manitowoc | 1 |
| Burnett | 1 |
| Door | 1 |
| Dunn | 1 |
| Rusk | 1 |
| Richland | 1 |
| Green Lake | 1 |
| Pierce | 1 |
| Lincoln | 1 |
| Marquette | 1 |
| Calumet | 1 |
| Sawyer | 1 |
| Langlade | 1 |
| Iowa | 1 |
| Oneida | 1 |
| Bayfield | 1 |
| Ashland | 1 |
| Green | 1 |
| Clark | 0 |
| Kewaunee | 0 |
| Washburn | 0 |
| Marinette | 0 |
| Buffalo | 0 |
| Waupaca | 0 |
| Trempealeau | 0 |
| Taylor | 0 |
| Pepin | 0 |
| Price | 0 |
| Vernon | 0 |
| Florence | 0 |
| Shawano | 0 |
| Lafayette | 0 |
| Vilas | 0 |
| Polk | 0 |
| Oconto | 0 |
| Iron | 0 |