30 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sioux Falls | 1 | 213,249 | 193,448 | 1.89% | 2,522 | 85 | City |
| Harrisburg | 2 | 11,042 | 6,847 | 8.22% | 2,315 | 5 | City |
| Tea | 3 | 8,204 | 5,678 | 6.56% | 2,166 | 4 | City |
| Canton | 4 | 2,948 | 3,075 | -0.87% | 902 | 3 | City |
| Lennox | 5 | 2,567 | 2,425 | 1.1% | 1,470 | 2 | City |
| Springdale | 6 | 2,205 | 2,175 | 0.46% | 80 | 27 | Township |
| Delapre | 7 | 2,071 | 2,037 | 0.58% | 66 | 31 | Township |
| Worthing | 8 | 909 | 932 | -0.55% | 1,620 | 1 | City |
| Perry | 9 | 852 | 840 | 0.59% | 25 | 35 | Township |
| Dayton | 10 | 735 | 724 | 0.55% | 17 | 44 | Township |
| La Valley | 11 | 678 | 668 | 0.74% | 20 | 35 | Township |
| Fairview | 12 | 628 | 613 | -1.26% | 18 | 35 | Township |
| Canton | 13 | 564 | 555 | 0.53% | 15 | 38 | Township |
| Grant | 14 | 403 | 399 | 0% | 11 | 35 | Township |
| Highland | 15 | 328 | 319 | 0.92% | 9 | 37 | Township |
| Hudson | 16 | 328 | 313 | 0.92% | 1,163 | 0 | Town |
| Pleasant | 17 | 323 | 314 | 0.94% | 9 | 35 | Township |
| Lynn | 18 | 312 | 305 | 0.97% | 9 | 35 | Township |
| Norway | 19 | 258 | 256 | 0.39% | 7 | 36 | Township |
| Brooklyn | 20 | 210 | 212 | -0.94% | 6 | 36 | Township |
| Delaware | 21 | 209 | 204 | 0.48% | 6 | 36 | Township |
| Lincoln | 22 | 197 | 194 | 0.51% | 5 | 36 | Township |
| Fairview | 23 | 156 | 151 | 1.3% | 9 | 18 | Township |
| Fairview | 24 | 150 | 149 | 0% | 4 | 37 | Township |
| Fairview | 25 | 70 | 70 | -1.41% | 2 | 34 | Township |
| Fairview | 26 | 66 | 64 | 0% | 776 | 0 | Town |
| Fairview | 27 | 50 | 50 | -1.96% | 1 | 35 | Township |
| Ward | 28 | 44 | 33 | 4.76% | 151 | 0 | Town |
| Hudson | 29 | 36 | 35 | -2.7% | 1 | 34 | Township |
| Fairview | 30 | 34 | 36 | 0% | 1 | 37 | Township |
Sioux Falls is the largest city in Lincoln County, with a population of 213,249.
Fairview is the smallest city in Lincoln County, with a population of 34.
There are 30 cities in Lincoln County, South Dakota.