19 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Kenosha | Kenosha County | 99,385 |
| Kaukauna | Outagamie County | 18,979 |
| Kronenwetter | Marathon County | 8,466 |
| Kimberly | Outagamie County | 7,622 |
| Kewaskum | Washington County | 4,689 |
| Kiel | Manitowoc County | 3,993 |
| Kewaunee | Kewaunee County | 2,801 |
| Kohler | Sheboygan County | 2,317 |
| Keshena | Menominee County | 1,539 |
| King | Waupaca County | 1,410 |
| Kekoskee | Dodge County | 875 |
| Knapp | Dunn County | 492 |
| Kendall | Monroe County | 464 |
| Krakow | Shawano County | 324 |
| Kellnersville | Manitowoc County | 311 |
| Kieler | Grant County | 296 |
| Kingston | Green Lake County | 287 |
| Kennan | Price County | 144 |
| Knowlton | Marathon County | 60 |