31 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Sioux Falls | 1 | 215,058 | 193,437 | 2.05% | 2,601 | 82.67 | City |
| Harrisburg | 2 | 11,160 | 6,847 | 8.38% | 2,340 | 4.77 | City |
| Tea | 3 | 8,515 | 5,680 | 7.13% | 2,248 | 3.79 | City |
| Canton | 4 | 2,948 | 3,080 | -0.87% | 902 | 3.27 | City |
| Lennox | 5 | 2,541 | 2,421 | 0.95% | 1,455 | 1.75 | City |
| Springdale township | 6 | 2,143 | 2,175 | -1.06% | 78 | 27.42 | Township |
| Delapre township | 7 | 2,003 | 2,041 | -1.23% | 64 | 31.15 | Township |
| Worthing | 8 | 909 | 931 | -0.44% | 1,620 | 0.56 | City |
| Perry township | 9 | 822 | 840 | -1.2% | 24 | 34.52 | Township |
| Dayton township | 10 | 716 | 724 | -0.83% | 16 | 44.26 | Township |
| Fairview township | 11 | 668 | 618 | 1.52% | 19 | 34.53 | Township |
| La Valley township | 12 | 657 | 667 | -1.05% | 19 | 34.55 | Township |
| Shindler | 13 | 585 | 933 | 0% | 389 | 1.50 | CDP |
| Canton township | 14 | 547 | 553 | -0.91% | 14 | 37.90 | Township |
| Grant township | 15 | 396 | 400 | -1% | 11 | 35.30 | Township |
| Hudson | 16 | 327 | 316 | 0.62% | 1,160 | 0.28 | Town |
| Highland township | 17 | 317 | 320 | -0.94% | 9 | 36.53 | Township |
| Pleasant township | 18 | 306 | 310 | -1.29% | 9 | 35.45 | Township |
| Lynn township | 19 | 297 | 306 | -1.66% | 8 | 35.38 | Township |
| Norway township | 20 | 248 | 256 | -1.59% | 7 | 35.88 | Township |
| Brooklyn township | 21 | 207 | 209 | -0.96% | 6 | 35.90 | Township |
| Delaware township | 22 | 203 | 204 | -0.98% | 6 | 35.88 | Township |
| Lincoln township | 23 | 188 | 193 | -1.57% | 5 | 35.97 | Township |
| Fairview township | 24 | 153 | 154 | -0.65% | 9 | 17.84 | Township |
| Fairview township | 25 | 151 | 145 | 1.34% | 4 | 36.89 | Township |
| Fairview township | 26 | 68 | 68 | -1.45% | 2 | 34.39 | Township |
| Fairview | 27 | 63 | 63 | 0% | 741 | 0.09 | Town |
| Fairview township | 28 | 58 | 50 | 5.45% | 2 | 35.13 | Township |
| Ward | 29 | 49 | 34 | 6.52% | 168 | 0.29 | Town |
| Hudson township | 30 | 36 | 34 | 0% | 1 | 34.29 | Township |
| Fairview township | 31 | 34 | 38 | -2.86% | 1 | 37.10 | Township |
Sioux Falls is the largest city in Lincoln County, with a population of 215,058.
Fairview township is the smallest city in Lincoln County.
There are 31 cities in Lincoln County, South Dakota.