50 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Wahpeton | 1 | 7,989 | 8,016 | -0.06% | 1,492 | 5.36 | City |
| Hankinson | 2 | 918 | 918 | 0% | 494 | 1.86 | City |
| Lidgerwood | 3 | 589 | 598 | -0.34% | 891 | 0.66 | City |
| Wyndmere | 4 | 446 | 450 | -0.22% | 519 | 0.86 | City |
| Walcott township | 5 | 340 | 348 | -0.58% | 6 | 58.74 | Township |
| Dwight township | 6 | 339 | 321 | 0.89% | 7 | 45.22 | Township |
| Fairmount | 7 | 332 | 341 | -0.6% | 1,003 | 0.33 | City |
| Walcott | 8 | 270 | 264 | 0.37% | 266 | 1.02 | City |
| Abercrombie | 9 | 264 | 248 | 1.15% | 800 | 0.33 | City |
| Colfax township | 10 | 262 | 259 | -0.38% | 4 | 59.12 | Township |
| Abercrombie township | 11 | 246 | 251 | -0.4% | 4 | 61.04 | Township |
| Eagle township | 12 | 240 | 229 | 0.42% | 6 | 42.25 | Township |
| Colfax | 13 | 224 | 168 | 5.16% | 222 | 1.01 | City |
| Summit township | 14 | 214 | 221 | -0.47% | 4 | 53.36 | Township |
| Brightwood township | 15 | 209 | 210 | -0.48% | 6 | 32.42 | Township |
| Barrie township | 16 | 206 | 178 | 4.57% | 6 | 35.18 | Township |
| Mooreton | 17 | 171 | 175 | -0.58% | 640 | 0.27 | City |
| Christine | 18 | 150 | 152 | 0% | 735 | 0.20 | City |
| East Fairview | 19 | 149 | 93 | 7.19% | 391 | 0.38 | CDP |
| Greendale township | 20 | 139 | 144 | -2.11% | 4 | 36.21 | Township |
| Grant township | 21 | 130 | 131 | 0% | 4 | 33.60 | Township |
| Mooreton township | 22 | 128 | 124 | 0% | 4 | 35.13 | Township |
| Duerr township | 23 | 126 | 127 | 0% | 2 | 62.88 | Township |
| Ibsen township | 24 | 118 | 119 | 0% | 3 | 36.24 | Township |
| Belford township | 25 | 117 | 118 | -0.85% | 3 | 35.68 | Township |
| Barney township | 26 | 115 | 116 | 0% | 3 | 35.36 | Township |
| Antelope township | 27 | 108 | 109 | 0% | 3 | 36.02 | Township |
| Danton township | 28 | 105 | 112 | -1.87% | 3 | 35.08 | Township |
| Wyndmere township | 29 | 103 | 104 | 0% | 3 | 35.47 | Township |
| Helendale township | 30 | 102 | 103 | 0% | 3 | 34.97 | Township |
| Nansen township | 31 | 94 | 92 | 0% | 3 | 36 | Township |
| Fairmount township | 32 | 91 | 92 | -1.09% | 2 | 40.88 | Township |
| Homestead township | 33 | 91 | 92 | 0% | 3 | 36.07 | Township |
| Brandenburg township | 34 | 87 | 82 | 2.35% | 2 | 35.24 | Township |
| Liberty Grove township | 35 | 85 | 86 | 0% | 2 | 35.84 | Township |
| Waldo township | 36 | 85 | 86 | 0% | 2 | 35.29 | Township |
| Dexter township | 37 | 78 | 81 | -1.27% | 2 | 35.01 | Township |
| Dwight | 38 | 77 | 79 | 0% | 397 | 0.19 | City |
| LaMars township | 39 | 76 | 79 | -1.3% | 2 | 35.93 | Township |
| Devillo township | 40 | 73 | 76 | -1.35% | 2 | 35.98 | Township |
| Elma township | 41 | 72 | 75 | -1.37% | 2 | 35.60 | Township |
| Garborg township | 42 | 72 | 75 | -1.37% | 2 | 36.05 | Township |
| Mantador | 43 | 67 | 69 | 0% | 489 | 0.14 | City |
| Viking township | 44 | 64 | 67 | -1.54% | 2 | 36.05 | Township |
| Moran township | 45 | 60 | 63 | -1.64% | 2 | 32.83 | Township |
| McLeod | 46 | 52 | 10 | 6.12% | 67 | 0.77 | CDP |
| Great Bend | 47 | 50 | 52 | 0% | 89 | 0.56 | City |
| Freeman township | 48 | 48 | 48 | 0% | 1 | 35.68 | Township |
| West End township | 49 | 48 | 51 | -2.04% | 1 | 36.26 | Township |
| Barney | 50 | 42 | 41 | 0% | 228 | 0.18 | City |
Wahpeton is the largest city in Richland County, with a population of 7,989.
Barney is the smallest city in Richland County.
There are 50 cities in Richland County, North Dakota.