23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Kenosha | 1 | 99,481 | 100,005 | -0.1% | 3,473 | 29 | City |
| Kenosha | 2 | 99,481 | 99,963 | -0.1% | 3,473 | 29 | City |
| Pleasant Prairie | 3 | 21,933 | 21,253 | 0.6% | 657 | 33 | Village |
| Pleasant Prairie | 4 | 21,933 | 21,277 | 0.6% | 657 | 33 | Village |
| Salem Lakes | 5 | 14,230 | 14,602 | -0.5% | 469 | 30 | Village |
| Salem Lakes | 6 | 14,230 | 14,589 | -0.5% | 469 | 30 | Village |
| Somers | 7 | 8,128 | 8,410 | -0.81% | 315 | 26 | Village |
| Somers | 8 | 8,128 | 8,456 | -0.81% | 315 | 26 | Village |
| Twin Lakes | 9 | 6,327 | 6,311 | -0.02% | 741 | 9 | Village |
| Twin Lakes | 10 | 6,327 | 6,330 | -0.02% | 741 | 9 | Village |
| Bristol | 11 | 5,249 | 5,194 | 0.19% | 161 | 33 | Village |
| Bristol | 12 | 5,249 | 5,197 | 0.19% | 161 | 33 | Village |
| Bloomfield | 13 | 4,760 | 4,780 | -0.13% | 380 | 13 | Village |
| Bloomfield | 14 | 4,760 | 4,787 | -0.13% | 380 | 13 | Village |
| Paddock Lake | 15 | 2,953 | 2,923 | 0.14% | 976 | 3 | Village |
| Paddock Lake | 16 | 2,953 | 2,931 | 0.14% | 976 | 3 | Village |
| Bohners Lake | 17 | 2,408 | 2,678 | -0.08% | 723 | 3 | CDP |
| Browns Lake | 18 | 1,779 | 1,808 | -0.95% | 993 | 2 | CDP |
| Powers Lake | 19 | 1,322 | 1,433 | -1.49% | 562 | 2 | CDP |
| Eagle Lake | 20 | 894 | 1,010 | -2.19% | 410 | 2 | CDP |
| Lily Lake | 21 | 741 | 436 | 7.08% | 1,165 | 1 | CDP |
| Lake Ivanhoe | 22 | 564 | 398 | 1.62% | 629 | 1 | CDP |
| New Munster | 23 | 294 | 296 | 7.3% | 249 | 1 | CDP |
Kenosha is the largest city in Kenosha County, with a population of 99,481.
New Munster is the smallest city in Kenosha County, with a population of 294.
There are 23 cities in Kenosha County, Wisconsin.