8 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kenosha | 1 | 99,385 | 99,963 | -0.1% | 3,357 | 30 | City |
| Pleasant Prairie | 2 | 22,064 | 21,277 | 0.6% | 661 | 33 | Village |
| Salem Lakes | 3 | 14,158 | 14,589 | -0.51% | 466 | 30 | Village |
| Somers | 4 | 8,063 | 8,456 | -0.8% | 313 | 26 | Village |
| Twin Lakes | 5 | 6,327 | 6,330 | 0% | 741 | 9 | Village |
| Bristol | 6 | 5,260 | 5,197 | 0.21% | 161 | 33 | Village |
| Bloomfield | 7 | 4,755 | 4,787 | -0.11% | 159 | 30 | Village |
| Paddock Lake | 8 | 2,958 | 2,931 | 0.17% | 978 | 3 | Village |
Kenosha is the largest city in Kenosha County, with a population of 99,385.
Paddock Lake is the smallest city in Kenosha County, with a population of 2,958.
There are 8 cities in Kenosha County, Wisconsin.