30 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Parkston | 1 | 1,534 | 1,557 | -0.26% | 1,174 | 1 | City |
| Freeman | 2 | 1,296 | 1,331 | -0.46% | 870 | 1 | City |
| Menno | 3 | 618 | 617 | 0% | 1,186 | 1 | City |
| Tripp | 4 | 559 | 570 | -0.36% | 943 | 1 | City |
| Sweet | 5 | 383 | 355 | 2.13% | 11 | 36 | Township |
| Wittenberg | 6 | 300 | 290 | 0.67% | 6 | 53 | Township |
| Foster | 7 | 291 | 267 | 2.46% | 10 | 29 | Township |
| Wolf Creek | 8 | 229 | 232 | -0.87% | 6 | 36 | Township |
| Susquehanna | 9 | 189 | 188 | 0.53% | 5 | 35 | Township |
| Valley | 10 | 166 | 169 | -0.6% | 5 | 36 | Township |
| Dimock | 11 | 157 | 148 | 1.29% | 913 | 0 | Town |
| Kaylor | 12 | 127 | 132 | -0.78% | 4 | 36 | Township |
| Cross Plains | 13 | 126 | 127 | -0.79% | 4 | 29 | Township |
| Starr | 14 | 125 | 126 | -0.79% | 4 | 29 | Township |
| Molan | 15 | 122 | 124 | -0.81% | 3 | 36 | Township |
| Liberty | 16 | 121 | 121 | 0% | 4 | 34 | Township |
| Kassel | 17 | 111 | 107 | 0.91% | 3 | 36 | Township |
| Grandview | 18 | 110 | 113 | -0.9% | 3 | 35 | Township |
| Milltown | 19 | 101 | 103 | -0.98% | 3 | 36 | Township |
| Silver Lake | 20 | 97 | 99 | -1.02% | 3 | 28 | Township |
| German | 21 | 93 | 95 | -1.06% | 3 | 35 | Township |
| Fair | 22 | 87 | 89 | -1.14% | 3 | 35 | Township |
| Kulm | 23 | 82 | 84 | -1.2% | 2 | 35 | Township |
| Capital | 24 | 80 | 82 | -1.23% | 2 | 36 | Township |
| Sharon | 25 | 80 | 75 | 2.56% | 2 | 35 | Township |
| Clayton | 26 | 65 | 65 | 0% | 1 | 48 | Township |
| Olivet | 27 | 62 | 64 | 0% | 440 | 0 | Town |
| Oak Hollow | 28 | 52 | 51 | 0% | 2 | 32 | Township |
| Pleasant | 29 | 49 | 44 | 4.26% | 2 | 29 | Township |
| Dolton | 30 | 36 | 35 | 0% | 141 | 0 | Town |
Parkston is the largest city in Hutchinson County, with a population of 1,534.
Dolton is the smallest city in Hutchinson County, with a population of 36.
There are 30 cities in Hutchinson County, South Dakota.