| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Redwood Falls | 1 | 5,021 | 5,106 | -0.38% | 951 | 5 | City |
| Morgan | 2 | 877 | 897 | -0.45% | 1,589 | 1 | City |
| Lamberton | 3 | 769 | 792 | -0.65% | 1,007 | 1 | City |
| Wabasso | 4 | 753 | 735 | 0.4% | 886 | 1 | City |
| Walnut Grove | 5 | 727 | 749 | -0.68% | 666 | 1 | City |
| Sanborn | 6 | 314 | 324 | -0.63% | 151 | 2 | City |
| Belview | 7 | 283 | 291 | -0.7% | 309 | 1 | City |
| Vesta | 8 | 268 | 276 | -0.74% | 663 | 0 | City |
| Milroy | 9 | 252 | 257 | -0.4% | 966 | 0 | City |
| Lucan | 10 | 203 | 211 | -0.98% | 514 | 0 | City |
| Clements | 11 | 149 | 153 | -0.67% | 395 | 0 | City |
| Revere | 12 | 87 | 89 | -1.14% | 152 | 1 | City |
| Seaforth | 13 | 78 | 83 | -1.27% | 77 | 1 | City |
| Wanda | 14 | 74 | 74 | -1.33% | 286 | 0 | City |
| Delhi | 15 | 44 | 46 | -2.22% | 58 | 1 | City |
Redwood Falls is the largest city in Redwood County, with a population of 5,021.
Delhi is the smallest city in Redwood County, with a population of 44.
There are 15 cities in Redwood County, Minnesota.