28 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Mohall | 1 | 684 | 696 | -0.29% | 620 | 1.10 | City |
| Glenburn | 2 | 403 | 402 | 0% | 1,339 | 0.30 | City |
| Sherwood | 3 | 190 | 187 | 0.53% | 601 | 0.32 | City |
| Ensign township | 4 | 99 | 93 | 2.06% | 3 | 35.69 | Township |
| Hurley township | 5 | 76 | 64 | 5.56% | 2 | 35.64 | Township |
| Brandon township | 6 | 66 | 63 | 1.54% | 2 | 34.71 | Township |
| Van Buren township | 7 | 56 | 54 | 1.82% | 2 | 36.03 | Township |
| McKinney township | 8 | 55 | 53 | 1.85% | 2 | 35.30 | Township |
| Colquhoun township | 9 | 53 | 51 | 1.92% | 1 | 43.21 | Township |
| White Ash township | 10 | 47 | 45 | 2.17% | 1 | 35.99 | Township |
| Rockford township | 11 | 44 | 42 | 2.33% | 1 | 35.92 | Township |
| Tolley | 12 | 42 | 42 | 0% | 336 | 0.13 | City |
| Eden Valley township | 13 | 41 | 41 | 0% | 1 | 43.49 | Township |
| Hamlet township | 14 | 39 | 39 | 0% | 1 | 35.70 | Township |
| Clay township | 15 | 37 | 37 | 0% | 1 | 35.89 | Township |
| Grassland township | 16 | 35 | 35 | 0% | 1 | 33.25 | Township |
| Hamerly township | 17 | 35 | 35 | 0% | 1 | 35.86 | Township |
| Stafford township | 18 | 33 | 33 | 0% | 1 | 43.29 | Township |
| Fairbanks township | 19 | 32 | 32 | 0% | 1 | 35.72 | Township |
| Muskego township | 20 | 31 | 31 | 0% | 1 | 31.54 | Township |
| Prescott township | 21 | 29 | 29 | 0% | 1 | 35.96 | Township |
| Plain township | 22 | 27 | 23 | 3.85% | 1 | 35.78 | Township |
| Prosperity township | 23 | 26 | 26 | 0% | 1 | 43.38 | Township |
| Callahan township | 24 | 25 | 25 | 0% | 1 | 31.49 | Township |
| Lockwood township | 25 | 22 | 22 | 0% | 1 | 35.62 | Township |
| Roosevelt township | 26 | 22 | 22 | 0% | 1 | 33.63 | Township |
| Ivanhoe township | 27 | 17 | 17 | 0% | 0.00 | 35.93 | Township |
| Grover township | 28 | 15 | 15 | 0% | 0.00 | 35.83 | Township |
Mohall is the largest city in Renville County, with a population of 684.
Grover township is the smallest city in Renville County.
There are 28 cities in Renville County, North Dakota.