10 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Soldier township | 1 | 15,247 | 15,092 | 0.46% | 245 | 62.28 | Township |
| Holton | 2 | 3,370 | 3,400 | -0.18% | 1,259 | 2.68 | City |
| Hoyt | 3 | 594 | 596 | 0% | 1,267 | 0.47 | City |
| Mayetta | 4 | 359 | 349 | 0.56% | 1,951 | 0.18 | City |
| Whiting | 5 | 197 | 192 | 0.51% | 196 | 1.01 | City |
| Delia | 6 | 153 | 150 | 0.66% | 1,330 | 0.12 | City |
| Circleville | 7 | 152 | 154 | 0% | 601 | 0.25 | City |
| Denison | 8 | 143 | 145 | 0% | 1,277 | 0.11 | City |
| Netawaka | 9 | 139 | 141 | 0% | 144 | 0.97 | City |
| Soldier | 10 | 103 | 102 | 0% | 701 | 0.15 | City |
Soldier township is the largest city in Jackson County, with a population of 15,247.
Soldier is the smallest city in Jackson County.
There are 10 cities in Jackson County, Kansas.