51 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fort Totten | 1 | 992 | 1,219 | -1.59% | 115 | 8.60 | CDP |
| Mission township | 2 | 911 | 949 | -0.44% | 23 | 39.96 | Township |
| Wood Lake township | 3 | 461 | 473 | -0.22% | 13 | 34.78 | Township |
| Leeds | 4 | 411 | 440 | -1.44% | 649 | 0.63 | City |
| Maddock | 5 | 374 | 399 | -1.32% | 424 | 0.88 | City |
| Lallie township | 6 | 320 | 329 | -0.62% | 7 | 48.97 | Township |
| Minnewaukan | 7 | 183 | 192 | -1.08% | 379 | 0.48 | City |
| Minnewaukan township | 8 | 157 | 161 | -0.63% | 5 | 34.56 | Township |
| Twin Tree township | 9 | 97 | 102 | -1.02% | 3 | 36.33 | Township |
| Oberon | 10 | 91 | 96 | -1.09% | 260 | 0.35 | City |
| Esmond | 11 | 86 | 91 | -1.15% | 189 | 0.46 | City |
| Selz | 12 | 82 | 51 | 6.49% | 599 | 0.14 | CDP |
| Lohnes township | 13 | 74 | 76 | 0% | 4 | 19.18 | Township |
| Pleasant Lake township | 14 | 67 | 72 | -1.47% | 2 | 34.08 | Township |
| Warwick township | 15 | 63 | 65 | 0% | 2 | 33.75 | Township |
| Oberon township | 16 | 57 | 59 | 0% | 1 | 57.32 | Township |
| Heimdal | 17 | 49 | 22 | 6.52% | 104 | 0.47 | CDP |
| South Viking township | 18 | 49 | 51 | 0% | 1 | 35.60 | Township |
| Warwick | 19 | 48 | 52 | -2.04% | 74 | 0.65 | City |
| North Viking township | 20 | 48 | 50 | 0% | 1 | 35.01 | Township |
| Albert township | 21 | 47 | 49 | 0% | 1 | 35.57 | Township |
| Leeds township | 22 | 47 | 49 | 0% | 1 | 35.46 | Township |
| Isabel township | 23 | 45 | 47 | 0% | 1 | 35.51 | Township |
| Arne township | 24 | 44 | 46 | 0% | 1 | 35.38 | Township |
| Riggin township | 25 | 40 | 44 | -2.44% | 1 | 46.54 | Township |
| Hesper township | 26 | 39 | 43 | -2.5% | 1 | 35.39 | Township |
| Butte Valley township | 27 | 38 | 42 | -2.56% | 1 | 35.31 | Township |
| Normania township | 28 | 37 | 38 | 0% | 1 | 34.40 | Township |
| Broe township | 29 | 36 | 37 | 0% | 1 | 35.50 | Township |
| Rich Valley township | 30 | 33 | 34 | 0% | 1 | 35.98 | Township |
| West Bay township | 31 | 33 | 34 | 0% | 1 | 35.08 | Township |
| Eldon township | 32 | 31 | 32 | 0% | 1 | 35.99 | Township |
| McClellan township | 33 | 30 | 31 | 0% | 1 | 35.82 | Township |
| West Antelope township | 34 | 30 | 31 | 0% | 1 | 35.80 | Township |
| Irvine township | 35 | 29 | 30 | 0% | 1 | 35.89 | Township |
| York township | 36 | 29 | 30 | 0% | 1 | 36.05 | Township |
| Brinsmade | 37 | 28 | 30 | 0% | 103 | 0.27 | City |
| Knox township | 38 | 27 | 28 | 0% | 1 | 35.81 | Township |
| Rock township | 39 | 27 | 28 | 0% | 1 | 36.11 | Township |
| Beaver township | 40 | 26 | 27 | 0% | 1 | 32.93 | Township |
| Twin Lake township | 41 | 26 | 27 | 0% | 1 | 33.87 | Township |
| Impark township | 42 | 24 | 25 | 0% | 1 | 31.64 | Township |
| Lake Ibsen township | 43 | 24 | 25 | 0% | 1 | 33.64 | Township |
| Aurora township | 44 | 21 | 22 | 0% | 1 | 35.80 | Township |
| Knox | 45 | 19 | 21 | 0% | 39 | 0.48 | City |
| Esmond township | 46 | 18 | 19 | 0% | 1 | 34.76 | Township |
| Iowa township | 47 | 18 | 19 | 0% | 1 | 33.56 | Township |
| Minco township | 48 | 18 | 19 | 0% | 1 | 28.57 | Township |
| York | 49 | 14 | 14 | 0% | 67 | 0.21 | City |
| East Fork township | 50 | 13 | 16 | -7.14% | 0.00 | 35.90 | Township |
| Hamberg | 51 | 12 | 12 | 0% | 29 | 0.41 | City |
Fort Totten is the largest city in Benson County, with a population of 992.
Hamberg is the smallest city in Benson County.
There are 51 cities in Benson County, North Dakota.