30 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sioux Falls | 1 | 217,209 | 193,448 | 1.86% | 2,569 | 85 | City |
| Harrisburg | 2 | 11,881 | 6,847 | 7.6% | 2,491 | 5 | City |
| Tea | 3 | 8,709 | 5,678 | 6.16% | 2,300 | 4 | City |
| Canton | 4 | 2,923 | 3,075 | -0.85% | 894 | 3 | City |
| Lennox | 5 | 2,596 | 2,425 | 1.13% | 1,487 | 2 | City |
| Springdale | 6 | 2,215 | 2,175 | 0.45% | 81 | 27 | Township |
| Delapre | 7 | 2,083 | 2,037 | 0.58% | 67 | 31 | Township |
| Worthing | 8 | 905 | 932 | -0.44% | 1,613 | 1 | City |
| Perry | 9 | 857 | 840 | 0.59% | 25 | 35 | Township |
| Dayton | 10 | 739 | 724 | 0.54% | 17 | 44 | Township |
| La Valley | 11 | 683 | 668 | 0.74% | 20 | 35 | Township |
| Fairview | 12 | 620 | 613 | -1.27% | 18 | 35 | Township |
| Canton | 13 | 567 | 555 | 0.53% | 15 | 38 | Township |
| Grant | 14 | 403 | 399 | 0% | 11 | 35 | Township |
| Highland | 15 | 331 | 319 | 0.91% | 9 | 37 | Township |
| Hudson | 16 | 331 | 313 | 0.91% | 1,174 | 0 | Town |
| Pleasant | 17 | 326 | 314 | 0.93% | 9 | 35 | Township |
| Lynn | 18 | 315 | 305 | 0.96% | 9 | 35 | Township |
| Norway | 19 | 259 | 256 | 0.39% | 7 | 36 | Township |
| Delaware | 20 | 210 | 204 | 0.48% | 6 | 36 | Township |
| Brooklyn | 21 | 208 | 212 | -0.95% | 6 | 36 | Township |
| Lincoln | 22 | 198 | 194 | 0.51% | 6 | 36 | Township |
| Fairview | 23 | 158 | 151 | 1.28% | 9 | 18 | Township |
| Fairview | 24 | 150 | 149 | 0% | 4 | 37 | Township |
| Fairview | 25 | 69 | 70 | -1.43% | 2 | 34 | Township |
| Fairview | 26 | 67 | 64 | 1.52% | 788 | 0 | Town |
| Fairview | 27 | 49 | 50 | -2% | 1 | 35 | Township |
| Ward | 28 | 46 | 33 | 4.55% | 158 | 0 | Town |
| Hudson | 29 | 35 | 35 | -2.78% | 1 | 34 | Township |
| Fairview | 30 | 34 | 36 | 0% | 1 | 37 | Township |
Sioux Falls is the largest city in Lincoln County, with a population of 217,209.
Fairview is the smallest city in Lincoln County, with a population of 34.
There are 30 cities in Lincoln County, South Dakota.