9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Appleton township | 1 | 747 | 882 | -5.08% | 3 | 243.21 | Township |
| Center township | 2 | 735 | 879 | -5.28% | 4 | 203.89 | Township |
| Ashland | 3 | 686 | 780 | -2.7% | 406 | 1.69 | City |
| Minneola | 4 | 661 | 736 | -2.22% | 1,440 | 0.46 | City |
| Ashland township | 5 | 149 | 148 | 0.68% | 4 | 34.34 | Township |
| Englewood township | 6 | 86 | 103 | -5.49% | 0.00 | 206.83 | Township |
| Englewood | 7 | 49 | 54 | -2% | 43 | 1.13 | City |
| Lexington township | 8 | 41 | 48 | -4.65% | 0.00 | 89.55 | Township |
| Sitka township | 9 | 41 | 51 | -6.82% | 0.00 | 171.37 | Township |
Appleton township is the largest city in Clark County, with a population of 747.
Sitka township is the smallest city in Clark County.
There are 9 cities in Clark County, Kansas.