Wisconsin — All 72 Counties
Wisconsin has 72 counties with 800 communities and a combined population of 4,344,069.
| County | Towns | Population |
| Milwaukee County | 19 | 927,787 |
| Dane County | 28 | 503,818 |
| Waukesha County | 25 | 309,236 |
| Brown County | 13 | 233,759 |
| Racine County | 18 | 187,011 |
| Kenosha County | 11 | 163,216 |
| Calumet County | 14 | 144,176 |
| Winnebago County | 9 | 121,033 |
| Rock County | 10 | 118,636 |
| Marathon County | 19 | 112,058 |
| Chippewa County | 11 | 105,584 |
| La Crosse County | 10 | 96,028 |
| Dodge County | 22 | 91,014 |
| Sheboygan County | 17 | 84,222 |
| Washington County | 6 | 79,463 |
| Ozaukee County | 10 | 76,839 |
| Fond du Lac County | 16 | 72,408 |
| Walworth County | 21 | 65,186 |
| Jefferson County | 15 | 58,781 |
| Manitowoc County | 13 | 54,386 |
| Portage County | 13 | 45,726 |
| St. Croix County | 14 | 44,588 |
| Sauk County | 16 | 41,032 |
| Outagamie County | 10 | 36,935 |
| Columbia County | 15 | 35,889 |
| Grant County | 22 | 32,212 |
| Wood County | 13 | 30,205 |
| Pierce County | 10 | 27,486 |
| Dunn County | 11 | 24,704 |
| Monroe County | 13 | 23,901 |
| Barron County | 12 | 22,241 |
| Waupaca County | 13 | 19,693 |
| Marinette County | 11 | 19,357 |
| Green County | 7 | 18,944 |
| Shawano County | 22 | 17,486 |
| Trempealeau County | 12 | 16,243 |
| Polk County | 12 | 15,718 |
| Eau Claire County | 5 | 15,583 |
| Clark County | 14 | 14,734 |
| Iowa County | 13 | 14,285 |
| Lincoln County | 2 | 12,640 |
| Door County | 8 | 12,552 |
| Juneau County | 9 | 11,994 |
| Vernon County | 9 | 11,612 |
| Oconto County | 10 | 11,067 |
| Ashland County | 13 | 10,428 |
| Oneida County | 5 | 9,830 |
| Green Lake County | 7 | 9,772 |
| Kewaunee County | 4 | 9,368 |
| Crawford County | 12 | 9,187 |
| Adams County | 10 | 9,015 |
| Langlade County | 5 | 8,859 |
| Waushara County | 10 | 7,971 |
| Richland County | 8 | 7,520 |
| Lafayette County | 9 | 7,400 |
| Jackson County | 10 | 6,909 |
| Taylor County | 9 | 6,837 |
| Buffalo County | 8 | 6,316 |
| Sawyer County | 10 | 5,966 |
| Rusk County | 9 | 5,102 |
| Washburn County | 6 | 4,999 |
| Price County | 6 | 4,889 |
| Marquette County | 8 | 4,839 |
| Bayfield County | 10 | 4,105 |
| Menominee County | 5 | 3,945 |
| Douglas County | 7 | 3,564 |
| Vilas County | 4 | 3,516 |
| Iron County | 6 | 3,128 |
| Pepin County | 4 | 2,969 |
| Forest County | 6 | 2,961 |
| Burnett County | 4 | 2,774 |
| Florence County | 2 | 432 |