19 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Alma township | 1 | 1,217 | 1,179 | 0.41% | 31 | 39.84 | Township |
| Maple Hill township | 2 | 1,200 | 1,161 | 0.67% | 17 | 72.67 | Township |
| Newbury township | 3 | 1,126 | 1,081 | 0.81% | 14 | 77.98 | Township |
| Alma | 4 | 832 | 807 | 0.6% | 1,422 | 0.58 | City |
| Maple Hill | 5 | 636 | 631 | 0.16% | 2,617 | 0.24 | City |
| Plumb township | 6 | 622 | 595 | 0.81% | 13 | 49.74 | Township |
| Wabaunsee township | 7 | 605 | 577 | 0.83% | 9 | 66.23 | Township |
| Wilmington township | 8 | 591 | 584 | 0.17% | 10 | 58.02 | Township |
| Mission Creek township | 9 | 542 | 507 | 1.5% | 7 | 79.72 | Township |
| Eskridge | 10 | 437 | 437 | 0% | 845 | 0.52 | City |
| Alta Vista | 11 | 412 | 412 | 0% | 1,181 | 0.35 | City |
| McFarland | 12 | 277 | 276 | 0% | 1,556 | 0.18 | City |
| Kaw township | 13 | 264 | 244 | 1.93% | 6 | 42.12 | Township |
| Mill Creek township | 14 | 222 | 211 | 0.91% | 3 | 74.01 | Township |
| Paxico | 15 | 211 | 208 | 0.48% | 1,455 | 0.14 | City |
| Harveyville | 16 | 178 | 177 | 0% | 1,319 | 0.14 | City |
| Farmer township | 17 | 76 | 74 | 0% | 1 | 66.14 | Township |
| Newbury | 18 | 51 | 8 | 6.25% | 57 | 0.90 | CDP |
| Rock Creek township | 19 | 51 | 46 | 2% | 1 | 65.63 | Township |
Alma township is the largest city in Wabaunsee County, with a population of 1,217.
Rock Creek township is the smallest city in Wabaunsee County.
There are 19 cities in Wabaunsee County, Kansas.