31 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Parkston | 1 | 1,534 | 1,559 | -0.32% | 1,174 | 1.31 | City |
| Freeman | 2 | 1,299 | 1,328 | -0.46% | 872 | 1.49 | City |
| Menno | 3 | 619 | 619 | 0% | 1,188 | 0.52 | City |
| Tripp | 4 | 559 | 571 | -0.36% | 943 | 0.59 | City |
| Sweet township | 5 | 355 | 355 | 0% | 10 | 35.80 | Township |
| Wittenberg township | 6 | 291 | 288 | 0.34% | 5 | 53.06 | Township |
| Foster township | 7 | 266 | 267 | 0% | 9 | 29.30 | Township |
| Wolf Creek township | 8 | 236 | 232 | 0.43% | 7 | 35.57 | Township |
| Susquehanna township | 9 | 185 | 186 | 0.54% | 5 | 35.02 | Township |
| Valley township | 10 | 171 | 172 | 0.59% | 5 | 35.65 | Township |
| Dimock | 11 | 156 | 148 | 1.3% | 907 | 0.17 | Town |
| Kaylor township | 12 | 132 | 129 | 0.76% | 4 | 35.53 | Township |
| Cross Plains township | 13 | 131 | 127 | 0.77% | 4 | 29.33 | Township |
| Molan township | 14 | 126 | 123 | 0.8% | 3 | 36 | Township |
| Starr township | 15 | 125 | 124 | 0% | 4 | 28.52 | Township |
| Liberty township | 16 | 122 | 122 | 0% | 4 | 34.36 | Township |
| Grandview township | 17 | 118 | 116 | 0.85% | 3 | 34.80 | Township |
| Milltown township | 18 | 106 | 106 | 0% | 3 | 35.73 | Township |
| Kassel township | 19 | 105 | 105 | 0% | 3 | 35.95 | Township |
| Silver Lake township | 20 | 100 | 100 | 0% | 4 | 28.39 | Township |
| German township | 21 | 97 | 94 | 1.04% | 3 | 35.08 | Township |
| Fair township | 22 | 90 | 90 | 0% | 3 | 34.77 | Township |
| Capital township | 23 | 88 | 81 | 3.53% | 2 | 35.67 | Township |
| Kulm township | 24 | 87 | 84 | 1.16% | 2 | 35.38 | Township |
| Sharon township | 25 | 73 | 72 | 1.39% | 2 | 35.33 | Township |
| Clayton township | 26 | 65 | 65 | 0% | 1 | 48.13 | Township |
| Olivet | 27 | 63 | 65 | 0% | 313 | 0.20 | Town |
| Oak Hollow township | 28 | 59 | 54 | 3.51% | 2 | 32.40 | Township |
| Pleasant township | 29 | 43 | 44 | 0% | 1 | 28.95 | Township |
| Dolton | 30 | 36 | 35 | 0% | 141 | 0.26 | Town |
| Kaylor | 31 | 19 | 9 | 5.56% | 22 | 0.86 | CDP |
Parkston is the largest city in Hutchinson County, with a population of 1,534.
Kaylor is the smallest city in Hutchinson County.
There are 31 cities in Hutchinson County, South Dakota.