19 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Kenosha | Kenosha County | 99,481 |
| Kaukauna | Outagamie County | 18,671 |
| Kronenwetter | Marathon County | 8,450 |
| Kimberly | Outagamie County | 7,575 |
| Kewaskum | Washington County | 4,626 |
| Kiel | Manitowoc County | 3,984 |
| Kewaunee | Kewaunee County | 2,804 |
| Kohler | Sheboygan County | 2,295 |
| King | Waupaca County | 1,691 |
| Keshena | Menominee County | 1,464 |
| Kekoskee | Dodge County | 877 |
| Knapp | Dunn County | 490 |
| Kendall | Monroe County | 466 |
| Kieler | Grant County | 401 |
| Krakow | Shawano County | 312 |
| Kellnersville | Manitowoc County | 311 |
| Kingston | Green Lake County | 286 |
| Kennan | Price County | 143 |
| Knowlton | Marathon County | 47 |