| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kenosha | 1 | 99,102 | 99,958 | -0.14% | 3,347 | 30 | City |
| Pleasant Prairie | 2 | 21,921 | 21,271 | 0.56% | 657 | 33 | Village |
| Salem Lakes | 3 | 14,193 | 14,589 | -0.55% | 468 | 30 | Village |
| Somers | 4 | 8,102 | 8,456 | -0.84% | 314 | 26 | Village |
| Bloomfield | 5 | 6,359 | 6,437 | -0.16% | 213 | 30 | Village |
| Twin Lakes | 6 | 6,334 | 6,332 | -0.06% | 742 | 9 | Village |
| Bristol | 7 | 5,308 | 5,197 | 0.15% | 162 | 33 | Village |
| Paddock Lake | 8 | 2,977 | 2,930 | 0.1% | 984 | 3 | Village |
Kenosha is the largest city in Kenosha County, with a population of 99,102.
Paddock Lake is the smallest city in Kenosha County, with a population of 2,977.
There are 8 cities in Kenosha County, Wisconsin.