21 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Deer Creek township | 1 | 4,656 | 4,589 | 0.15% | 107 | 43.70 | Township |
| Delphi | 2 | 3,017 | 2,967 | 0.33% | 1,111 | 2.71 | City |
| Jefferson township | 3 | 2,271 | 2,240 | 0.13% | 74 | 30.67 | Township |
| Flora | 4 | 2,099 | 2,103 | -0.05% | 1,828 | 1.15 | Town |
| Burlington township | 5 | 1,681 | 1,661 | 0.12% | 58 | 29.17 | Township |
| Jackson township | 6 | 1,392 | 1,381 | -0.07% | 46 | 30.10 | Township |
| Clay township | 7 | 1,277 | 1,254 | 0.24% | 62 | 20.76 | Township |
| Democrat township | 8 | 954 | 951 | -0.21% | 32 | 29.72 | Township |
| Carrollton township | 9 | 632 | 630 | -0.16% | 21 | 29.58 | Township |
| Camden | 10 | 602 | 597 | 0.17% | 2,324 | 0.26 | Town |
| Burlington | 11 | 527 | 519 | 0.38% | 861 | 0.61 | Town |
| Adams township | 12 | 511 | 502 | 0.39% | 20 | 25.67 | Township |
| Rock Creek township | 13 | 459 | 459 | -0.22% | 34 | 13.50 | Township |
| Americus | 14 | 252 | 234 | -4.18% | 1,082 | 0.23 | CDP |
| Norway | 15 | 236 | 147 | -4.07% | 264 | 0.89 | CDP |
| Deer Creek | 16 | 206 | 114 | 7.29% | 1,441 | 0.14 | CDP |
| Rockfield | 17 | 190 | 170 | 7.34% | 511 | 0.37 | CDP |
| Burrows | 18 | 121 | 148 | 7.08% | 317 | 0.38 | CDP |
| Yeoman | 19 | 120 | 117 | 0.84% | 945 | 0.13 | Town |
| Bringhurst | 20 | 81 | 49 | 6.58% | 574 | 0.14 | CDP |
| Colburn | 21 | 42 | 162 | -19.23% | 420 | 0.10 | CDP |
Deer Creek township is the largest city in Carroll County, with a population of 4,656.
Colburn is the smallest city in Carroll County.
There are 21 cities in Carroll County, Indiana.