15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hutchinson | 1 | 39,431 | 40,008 | -0.29% | 1,604 | 24.58 | City |
| South Hutchinson | 2 | 2,497 | 2,519 | -0.16% | 878 | 2.84 | City |
| Buhler | 3 | 1,311 | 1,320 | -0.15% | 1,831 | 0.72 | City |
| Haven | 4 | 1,169 | 1,166 | 0.09% | 1,505 | 0.78 | City |
| Nickerson | 5 | 1,045 | 1,064 | -0.38% | 807 | 1.29 | City |
| Pretty Prairie | 6 | 649 | 658 | -0.31% | 1,127 | 0.58 | City |
| Arlington | 7 | 427 | 436 | -0.47% | 346 | 1.23 | City |
| The Highlands | 8 | 346 | 348 | 0% | 338 | 1.02 | City |
| Turon | 9 | 306 | 308 | 0% | 688 | 0.45 | City |
| Partridge | 10 | 209 | 209 | 0% | 674 | 0.31 | City |
| Sylvia | 11 | 209 | 213 | -0.48% | 723 | 0.29 | City |
| Plevna | 12 | 83 | 85 | 0% | 369 | 0.23 | City |
| Abbyville | 13 | 80 | 82 | 0% | 299 | 0.27 | City |
| Willowbrook | 14 | 70 | 72 | 0% | 237 | 0.29 | City |
| Yoder | 15 | 6 | 163 | -68.42% | 2 | 2.70 | CDP |
Hutchinson is the largest city in Reno County, with a population of 39,431.
Yoder is the smallest city in Reno County.
There are 15 cities in Reno County, Kansas.