25 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ellsworth | 1 | 3,176 | 3,068 | 0.7% | 1,327 | 2.39 | City |
| Wilson township | 2 | 906 | 936 | -0.55% | 25 | 35.84 | Township |
| Wilson | 3 | 826 | 853 | -0.6% | 1,381 | 0.60 | City |
| Ellsworth township | 4 | 642 | 666 | -0.47% | 19 | 33.76 | Township |
| Valley township | 5 | 458 | 476 | -0.43% | 13 | 35.92 | Township |
| Kanopolis | 6 | 422 | 444 | -0.94% | 358 | 1.18 | City |
| Holyrood | 7 | 379 | 399 | -1.04% | 790 | 0.48 | City |
| Wilson township | 8 | 195 | 200 | -1.02% | 5 | 36.07 | Township |
| Green Garden township | 9 | 194 | 201 | -1.02% | 5 | 36.40 | Township |
| Empire township | 10 | 157 | 158 | 0% | 2 | 66.04 | Township |
| Lorraine | 11 | 132 | 137 | -0.75% | 522 | 0.25 | City |
| Wilson township | 12 | 96 | 103 | -2.04% | 3 | 36.16 | Township |
| Clear Creek township | 13 | 93 | 98 | -1.06% | 3 | 36.33 | Township |
| Noble township | 14 | 89 | 91 | 0% | 2 | 35.76 | Township |
| Black Wolf township | 15 | 84 | 86 | 0% | 2 | 36.41 | Township |
| Langley township | 16 | 65 | 63 | 1.56% | 2 | 35.47 | Township |
| Wilson township | 17 | 61 | 65 | -1.61% | 1 | 79.50 | Township |
| Thomas township | 18 | 60 | 62 | 0% | 2 | 36.09 | Township |
| Sherman township | 19 | 59 | 61 | 0% | 2 | 36.35 | Township |
| Carneiro township | 20 | 58 | 60 | 0% | 2 | 36.07 | Township |
| Ash Creek township | 21 | 56 | 60 | -1.75% | 2 | 35.85 | Township |
| Palacky township | 22 | 55 | 56 | 0% | 2 | 36.30 | Township |
| Columbia township | 23 | 52 | 53 | 0% | 1 | 36.27 | Township |
| Trivoli township | 24 | 39 | 40 | 0% | 1 | 35.94 | Township |
| Frederick | 25 | 11 | 8 | 10% | 57 | 0.19 | City |
Ellsworth is the largest city in Ellsworth County, with a population of 3,176.
Frederick is the smallest city in Ellsworth County.
There are 25 cities in Ellsworth County, Kansas.