41 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Steele | 1 | 653 | 663 | -0.31% | 1,177 | 1 | City |
| Tappen | 2 | 212 | 215 | -0.47% | 202 | 1 | City |
| Woodlawn | 3 | 118 | 119 | 0% | 3 | 35 | Township |
| Tappen | 4 | 101 | 102 | 0% | 3 | 35 | Township |
| Sibley | 5 | 91 | 91 | 0% | 3 | 32 | Township |
| Dawson | 6 | 75 | 74 | 0% | 220 | 0 | City |
| Crystal Springs | 7 | 70 | 71 | 0% | 2 | 35 | Township |
| Tuttle | 8 | 57 | 60 | -1.72% | 230 | 0 | City |
| Pettibone | 9 | 56 | 59 | -1.75% | 308 | 0 | City |
| Allen | 10 | 55 | 56 | 0% | 2 | 34 | Township |
| Tuttle | 11 | 53 | 50 | 3.92% | 2 | 34 | Township |
| Pleasant Hill | 12 | 44 | 45 | 0% | 1 | 35 | Township |
| Valley | 13 | 42 | 43 | 0% | 1 | 35 | Township |
| Pettibone | 14 | 41 | 42 | 0% | 1 | 32 | Township |
| Peace | 15 | 37 | 38 | 0% | 1 | 34 | Township |
| Vernon | 16 | 33 | 34 | 0% | 1 | 30 | Township |
| Robinson | 17 | 32 | 34 | -3.03% | 186 | 0 | City |
| Clear Lake | 18 | 30 | 29 | 0% | 1 | 35 | Township |
| Westford | 19 | 30 | 27 | 7.14% | 1 | 33 | Township |
| Buckeye | 20 | 29 | 30 | 0% | 1 | 33 | Township |
| Bunker | 21 | 29 | 28 | 3.57% | 1 | 36 | Township |
| Excelsior | 22 | 29 | 28 | 3.57% | 1 | 36 | Township |
| Merkel | 23 | 29 | 28 | 0% | 0.00 | 66 | Township |
| Wallace | 24 | 27 | 26 | 3.85% | 1 | 34 | Township |
| Baker | 25 | 26 | 25 | 4% | 1 | 39 | Township |
| Weiser | 26 | 26 | 25 | 4% | 1 | 35 | Township |
| Haynes | 27 | 25 | 24 | 4.17% | 1 | 34 | Township |
| Chestina | 28 | 24 | 24 | 0% | 1 | 36 | Township |
| Lake Williams | 29 | 23 | 23 | 0% | 1 | 31 | Township |
| Northwest | 30 | 21 | 21 | 0% | 1 | 33 | Township |
| Stewart | 31 | 20 | 20 | 0% | 1 | 33 | Township |
| Tanner | 32 | 20 | 20 | 0% | 1 | 34 | Township |
| Petersville | 33 | 18 | 18 | 0% | 1 | 34 | Township |
| Graf | 34 | 17 | 17 | 0% | 1 | 31 | Township |
| Atwood | 35 | 15 | 15 | 0% | 0.00 | 33 | Township |
| Williams | 36 | 12 | 12 | 0% | 0.00 | 34 | Township |
| Crown Hill | 37 | 11 | 10 | 0% | 0.00 | 31 | Township |
| Frettim | 38 | 11 | 11 | 0% | 0.00 | 33 | Township |
| Robinson | 39 | 11 | 11 | 0% | 0.00 | 34 | Township |
| Rexine | 40 | 7 | 7 | 0% | 0.00 | 34 | Township |
| Quinby | 41 | 2 | 2 | 0% | 0.00 | 29 | Township |
Steele is the largest city in Kidder County, with a population of 653.
Quinby is the smallest city in Kidder County, with a population of 2.
There are 41 cities in Kidder County, North Dakota.