28 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Center township | 1 | 885 | 940 | -1.56% | 25 | 35.74 | Township |
| Mankato | 2 | 797 | 836 | -0.99% | 817 | 0.97 | City |
| Jewell | 3 | 344 | 366 | -1.15% | 837 | 0.41 | City |
| Burr Oak township | 4 | 190 | 200 | -1.04% | 5 | 39.36 | Township |
| Burr Oak township | 5 | 182 | 180 | 0% | 6 | 31.33 | Township |
| Grant township | 6 | 162 | 170 | -1.22% | 5 | 35.69 | Township |
| Prairie township | 7 | 134 | 142 | -1.47% | 4 | 36.92 | Township |
| Burr Oak | 8 | 132 | 141 | -1.49% | 160 | 0.82 | City |
| Esbon township | 9 | 120 | 131 | -2.44% | 3 | 35.80 | Township |
| Jackson township | 10 | 101 | 108 | -1.94% | 3 | 35.47 | Township |
| Formoso | 11 | 88 | 92 | -1.12% | 356 | 0.25 | City |
| Randall | 12 | 76 | 80 | -1.3% | 437 | 0.17 | City |
| Montana township | 13 | 67 | 71 | -1.47% | 2 | 36.35 | Township |
| Esbon | 14 | 64 | 69 | -1.54% | 228 | 0.28 | City |
| Athens township | 15 | 62 | 66 | -1.59% | 2 | 39.48 | Township |
| Ionia township | 16 | 52 | 53 | 0% | 1 | 39.43 | Township |
| Sinclair township | 17 | 51 | 52 | 0% | 1 | 34.56 | Township |
| Limestone township | 18 | 50 | 51 | 0% | 1 | 39.35 | Township |
| Calvin township | 19 | 48 | 49 | 0% | 2 | 31.41 | Township |
| Browns Creek township | 20 | 42 | 43 | 0% | 1 | 36.07 | Township |
| Richland township | 21 | 41 | 34 | 5.13% | 1 | 33.61 | Township |
| Erving township | 22 | 32 | 35 | -3.03% | 1 | 35.91 | Township |
| Holmwood township | 23 | 30 | 33 | -3.23% | 1 | 35.63 | Township |
| White Mound township | 24 | 30 | 33 | -3.23% | 1 | 35.68 | Township |
| Harrison township | 25 | 29 | 32 | -3.33% | 1 | 35.76 | Township |
| Webber | 26 | 26 | 28 | 0% | 224 | 0.12 | City |
| Vicksburg township | 27 | 25 | 28 | -3.85% | 1 | 35.67 | Township |
| Odessa township | 28 | 19 | 22 | -5% | 1 | 35.88 | Township |
Center township is the largest city in Jewell County, with a population of 885.
Odessa township is the smallest city in Jewell County.
There are 28 cities in Jewell County, Kansas.