19 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| St. Cloud | 1 | 71,957 | 69,597 | 0.66% | 1,789 | 40.22 | City |
| Sauk Rapids | 2 | 13,696 | 13,893 | -0.28% | 2,178 | 6.29 | City |
| Watab township | 3 | 3,482 | 3,400 | 0.46% | 171 | 20.30 | Township |
| Foley | 4 | 2,656 | 2,698 | -0.3% | 1,035 | 2.57 | City |
| Rice | 5 | 2,313 | 1,973 | 3.03% | 406 | 5.70 | City |
| Minden township | 6 | 1,541 | 1,515 | 0.33% | 46 | 33.63 | Township |
| St. George township | 7 | 1,302 | 1,277 | 0.46% | 36 | 36.63 | Township |
| Langola township | 8 | 1,029 | 1,010 | 0.39% | 26 | 39.70 | Township |
| Maywood township | 9 | 991 | 974 | 0.41% | 28 | 35.66 | Township |
| Mayhew Lake township | 10 | 872 | 864 | 0.11% | 24 | 36.73 | Township |
| Gilmanton township | 11 | 869 | 852 | 0.46% | 26 | 33.51 | Township |
| Glendorado township | 12 | 802 | 792 | 0.25% | 22 | 36.49 | Township |
| Granite Ledge township | 13 | 768 | 754 | 0.52% | 22 | 35.41 | Township |
| Graham township | 14 | 598 | 584 | 0.5% | 16 | 36.68 | Township |
| Sauk Rapids township | 15 | 529 | 519 | 0.38% | 72 | 7.39 | Township |
| Gilman | 16 | 215 | 220 | -0.46% | 449 | 0.48 | City |
| Rice township | 17 | 163 | 161 | 0% | 5 | 35 | Township |
| Oak Park township | 18 | 105 | 110 | -0.94% | 3 | 38.84 | Township |
| Ronneby | 19 | 68 | 45 | 7.94% | 71 | 0.96 | CDP |
St. Cloud is the largest city in Benton County, with a population of 71,957.
Ronneby is the smallest city in Benton County.
There are 19 cities in Benton County, Minnesota.