16 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Brown | 1 | 7,103 | 7,310 | -1.07% | 169 | 42 | Township |
| Center | 2 | 4,298 | 4,423 | -1.13% | 290 | 15 | Township |
| Carrollton | 3 | 3,048 | 3,083 | -0.2% | 1,108 | 3 | Village |
| Augusta | 4 | 1,438 | 1,491 | -1.24% | 52 | 28 | Township |
| Rose | 5 | 1,422 | 1,466 | -1.11% | 40 | 35 | Township |
| Orange | 6 | 1,116 | 1,149 | -1.06% | 43 | 26 | Township |
| Malvern | 7 | 1,092 | 1,104 | -0.18% | 1,500 | 1 | Village |
| Washington | 8 | 1,059 | 1,095 | -1.03% | 41 | 26 | Township |
| Lee | 9 | 993 | 1,035 | -1.29% | 31 | 32 | Township |
| Fox | 10 | 942 | 968 | -1.05% | 26 | 36 | Township |
| Loudon | 11 | 897 | 925 | -0.99% | 35 | 25 | Township |
| Union | 12 | 862 | 891 | -1.03% | 38 | 23 | Township |
| East | 13 | 780 | 812 | -1.39% | 34 | 23 | Township |
| Dellroy | 14 | 263 | 269 | -0.38% | 1,461 | 0 | Village |
| Sherrodsville | 15 | 217 | 220 | 0% | 687 | 0 | Village |
| Leesville | 16 | 125 | 127 | 0% | 486 | 0 | Village |
Brown is the largest city in Carroll County, with a population of 7,103.
Leesville is the smallest city in Carroll County, with a population of 125.
There are 16 cities in Carroll County, Ohio.