28 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Center | 1 | 932 | 943 | -0.11% | 26 | 36 | Township |
| Mankato | 2 | 823 | 835 | -0.36% | 844 | 1 | City |
| Jewell | 3 | 349 | 357 | -0.57% | 849 | 0 | City |
| Burr Oak | 4 | 198 | 200 | 0% | 5 | 39 | Township |
| Burr Oak | 5 | 190 | 183 | 1.06% | 6 | 31 | Township |
| Grant | 6 | 169 | 173 | -0.59% | 5 | 36 | Township |
| Prairie | 7 | 148 | 150 | 0% | 4 | 37 | Township |
| Burr Oak | 8 | 138 | 141 | -0.72% | 168 | 1 | City |
| Esbon | 9 | 129 | 132 | 0% | 4 | 36 | Township |
| Jackson | 10 | 107 | 108 | 0% | 3 | 35 | Township |
| Formoso | 11 | 90 | 93 | -1.1% | 364 | 0 | City |
| Randall | 12 | 83 | 85 | -1.19% | 477 | 0 | City |
| Esbon | 13 | 68 | 71 | -1.45% | 242 | 0 | City |
| Montana | 14 | 68 | 71 | -1.45% | 2 | 36 | Township |
| Athens | 15 | 65 | 66 | 0% | 2 | 39 | Township |
| Calvin | 16 | 56 | 56 | 0% | 2 | 31 | Township |
| Sinclair | 17 | 55 | 52 | 1.85% | 2 | 35 | Township |
| Ionia | 18 | 52 | 52 | 0% | 1 | 39 | Township |
| Limestone | 19 | 47 | 47 | 0% | 1 | 39 | Township |
| Browns Creek | 20 | 45 | 45 | 0% | 1 | 36 | Township |
| Erving | 21 | 34 | 34 | 0% | 1 | 36 | Township |
| Harrison | 22 | 33 | 33 | 0% | 1 | 36 | Township |
| White Mound | 23 | 33 | 33 | 0% | 1 | 36 | Township |
| Webber | 24 | 31 | 31 | 0% | 267 | 0 | City |
| Holmwood | 25 | 31 | 31 | 0% | 1 | 36 | Township |
| Vicksburg | 26 | 28 | 28 | 0% | 1 | 36 | Township |
| Richland | 27 | 26 | 26 | 0% | 1 | 34 | Township |
| Odessa | 28 | 22 | 22 | 0% | 1 | 36 | Township |
Center is the largest city in Jewell County, with a population of 932.
Odessa is the smallest city in Jewell County, with a population of 22.
There are 28 cities in Jewell County, Kansas.