| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Manitowoc | 1 | 34,700 | 34,656 | 0.08% | 1,933 | 18 | City |
| Two Rivers | 2 | 11,220 | 11,263 | -0.02% | 1,853 | 6 | City |
| Kiel | 3 | 3,986 | 3,939 | 0.33% | 1,577 | 3 | City |
| Cleveland | 4 | 1,583 | 1,581 | 0.06% | 802 | 2 | Village |
| Mishicot | 5 | 1,427 | 1,430 | -0.07% | 559 | 3 | Village |
| Reedsville | 6 | 1,191 | 1,195 | 0% | 983 | 1 | Village |
| Valders | 7 | 960 | 957 | 0.1% | 667 | 1 | Village |
| Whitelaw | 8 | 758 | 741 | 0.26% | 1,444 | 1 | Village |
| St. Nazianz | 9 | 715 | 713 | 0% | 901 | 1 | Village |
| Francis Creek | 10 | 685 | 657 | 0.59% | 603 | 1 | Village |
| Maribel | 11 | 351 | 336 | 0.29% | 307 | 1 | Village |
| Kellnersville | 12 | 310 | 313 | -0.32% | 575 | 1 | Village |
Manitowoc is the largest city in Manitowoc County, with a population of 34,700.
Kellnersville is the smallest city in Manitowoc County, with a population of 310.
There are 12 cities in Manitowoc County, Wisconsin.