19 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Kenosha | Kenosha County | 97,079 |
| Kaukauna | Outagamie County | 17,746 |
| Kronenwetter | Marathon County | 8,653 |
| Kimberly | Outagamie County | 7,824 |
| Kewaskum | Washington County | 4,513 |
| Kiel | Manitowoc County | 3,962 |
| Kewaunee | Kewaunee County | 2,780 |
| Kohler | Sheboygan County | 2,261 |
| King | Waupaca County | 1,691 |
| Keshena | Menominee County | 1,464 |
| Kekoskee | Dodge County | 891 |
| Knapp | Dunn County | 499 |
| Kendall | Monroe County | 475 |
| Kieler | Grant County | 401 |
| Krakow | Shawano County | 312 |
| Kellnersville | Manitowoc County | 303 |
| Kingston | Green Lake County | 284 |
| Kennan | Price County | 142 |
| Knowlton | Marathon County | 47 |