City | Rank | 2026 Pop.↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Harrisburg | 1 | 11,234 | 6,845 | 7.97% | 2,356 | 5 | City |
| Tea | 2 | 8,520 | 5,698 | 6.25% | 2,250 | 4 | City |
| Canton | 3 | 2,976 | 3,075 | -0.83% | 910 | 3 | City |
| Lennox | 4 | 2,684 | 2,424 | 1.02% | 1,537 | 2 | City |
| Worthing | 5 | 922 | 932 | -0.54% | 1,643 | 1 | City |
| Hudson | 6 | 345 | 317 | 0.88% | 1,223 | 0 | Town |
| Fairview | 7 | 63 | 63 | 0% | 741 | 0 | Town |
| Ward | 8 | 44 | 33 | 4.76% | 151 | 0 | Town |
Harrisburg is the largest city in Lincoln County, with a population of 11,234.
Ward is the smallest city in Lincoln County, with a population of 44.
There are 8 cities in Lincoln County, South Dakota.