18 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| St. Cloud | 1 | 73,412 | 69,610 | 0.87% | 1,825 | 40 | City |
| Sauk Rapids | 2 | 13,799 | 13,898 | -0.12% | 2,194 | 6 | City |
| Watab | 3 | 3,538 | 3,398 | 0.86% | 174 | 20 | Township |
| Foley | 4 | 2,654 | 2,690 | -0.23% | 1,034 | 3 | City |
| Rice | 5 | 2,320 | 1,980 | 2.52% | 407 | 6 | City |
| Minden | 6 | 1,567 | 1,512 | 0.84% | 47 | 34 | Township |
| St. George | 7 | 1,318 | 1,272 | 0.84% | 36 | 37 | Township |
| Langola | 8 | 1,050 | 1,010 | 0.96% | 26 | 40 | Township |
| Maywood | 9 | 1,010 | 974 | 0.9% | 28 | 36 | Township |
| Mayhew Lake | 10 | 896 | 866 | 0.79% | 24 | 37 | Township |
| Gilmanton | 11 | 888 | 852 | 1.14% | 27 | 34 | Township |
| Glendorado | 12 | 818 | 792 | 0.74% | 22 | 36 | Township |
| Granite Ledge | 13 | 779 | 749 | 0.91% | 22 | 35 | Township |
| Graham | 14 | 612 | 586 | 1.16% | 17 | 37 | Township |
| Sauk Rapids | 15 | 532 | 517 | 0.57% | 72 | 7 | Township |
| Gilman | 16 | 216 | 224 | -0.46% | 304 | 1 | City |
| Rice | 17 | 159 | 160 | -0.63% | 5 | 35 | Township |
| Oak Park | 18 | 107 | 110 | 0% | 3 | 39 | Township |
St. Cloud is the largest city in Benton County, with a population of 73,412.
Oak Park is the smallest city in Benton County, with a population of 107.
There are 18 cities in Benton County, Minnesota.