24 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ortonville | 1 | 1,965 | 2,012 | -0.46% | 469 | 4.19 | City |
| Clinton township | 2 | 973 | 970 | 0.1% | 29 | 33.21 | Township |
| Barry township | 3 | 553 | 553 | -0.36% | 16 | 34.48 | Township |
| Graceville | 4 | 516 | 525 | -0.39% | 891 | 0.58 | City |
| Clinton | 5 | 370 | 385 | -0.8% | 387 | 0.96 | City |
| Big Stone township | 6 | 288 | 292 | -0.35% | 9 | 30.59 | Township |
| Prior township | 7 | 277 | 279 | -0.36% | 6 | 44.61 | Township |
| Clinton township | 8 | 226 | 236 | -1.31% | 6 | 35.58 | Township |
| Beardsley | 9 | 206 | 215 | -0.96% | 438 | 0.47 | City |
| Graceville township | 10 | 165 | 168 | -1.2% | 5 | 32.73 | Township |
| Akron township | 11 | 156 | 158 | -0.64% | 3 | 48.95 | Township |
| Odessa township | 12 | 137 | 141 | -1.44% | 4 | 35.59 | Township |
| Foster township | 13 | 116 | 118 | -0.85% | 4 | 30.14 | Township |
| Odessa | 14 | 104 | 104 | 0% | 108 | 0.96 | City |
| Almond township | 15 | 104 | 106 | -0.95% | 3 | 33.44 | Township |
| Ortonville township | 16 | 91 | 93 | -1.09% | 7 | 13.45 | Township |
| Artichoke township | 17 | 89 | 87 | 1.14% | 3 | 32.24 | Township |
| Moonshine township | 18 | 87 | 82 | 2.35% | 2 | 37.24 | Township |
| Malta township | 19 | 76 | 80 | -1.3% | 2 | 36.37 | Township |
| Otrey township | 20 | 69 | 70 | 0% | 2 | 34.45 | Township |
| Toqua township | 21 | 43 | 46 | -2.27% | 1 | 34.05 | Township |
| Correll | 22 | 26 | 28 | 0% | 68 | 0.38 | City |
| Johnson | 23 | 22 | 24 | 0% | 71 | 0.31 | City |
| Barry | 24 | 15 | 15 | 0% | 59 | 0.25 | City |
Ortonville is the largest city in Big Stone County, with a population of 1,965.
Barry is the smallest city in Big Stone County.
There are 24 cities in Big Stone County, Minnesota.