| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Abbotsford | 1 | 2,445 | 2,290 | 1.33% | 824 | 3 | City |
| Neillsville | 2 | 2,364 | 2,381 | -0.13% | 861 | 3 | City |
| Colby | 3 | 1,949 | 1,993 | -0.41% | 1,191 | 2 | City |
| Thorp | 4 | 1,777 | 1,789 | -0.22% | 1,201 | 1 | City |
| Loyal | 5 | 1,187 | 1,202 | -0.25% | 889 | 1 | City |
| Greenwood | 6 | 1,083 | 1,060 | 0.37% | 405 | 3 | City |
| Owen | 7 | 902 | 914 | -0.22% | 393 | 2 | City |
| Dorchester | 8 | 838 | 848 | -0.24% | 603 | 1 | Village |
| Withee | 9 | 533 | 506 | 1.14% | 641 | 1 | Village |
| Granton | 10 | 365 | 381 | -0.82% | 670 | 1 | Village |
| Curtiss | 11 | 318 | 292 | 1.6% | 464 | 1 | Village |
Abbotsford is the largest city in Clark County, with a population of 2,445.
Curtiss is the smallest city in Clark County, with a population of 318.
There are 11 cities in Clark County, Wisconsin.