17 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Columbus | 1 | 53,273 | 51,210 | 0.55% | 968 | 55 | Township |
| Columbus | 2 | 52,707 | 50,495 | 0.71% | 1,755 | 30 | City |
| German | 3 | 7,490 | 7,057 | 0.85% | 240 | 31 | Township |
| Harrison | 4 | 4,425 | 4,244 | 0.59% | 190 | 23 | Township |
| Haw Creek | 5 | 3,918 | 3,766 | 0.54% | 106 | 37 | Township |
| Wayne | 6 | 3,879 | 3,730 | 0.52% | 79 | 49 | Township |
| Clay | 7 | 3,394 | 3,247 | 0.62% | 147 | 23 | Township |
| Sand Creek | 8 | 2,336 | 2,240 | 0.56% | 89 | 26 | Township |
| Hope | 9 | 2,197 | 2,103 | 0.73% | 2,308 | 1 | Town |
| Ohio | 10 | 1,846 | 1,775 | 0.49% | 93 | 20 | Township |
| Rock Creek | 11 | 1,432 | 1,374 | 0.56% | 54 | 27 | Township |
| Clifty | 12 | 1,062 | 1,007 | 0.66% | 46 | 23 | Township |
| Jackson | 13 | 1,027 | 983 | 0.69% | 50 | 21 | Township |
| Elizabethtown | 14 | 422 | 406 | 0.72% | 1,617 | 0 | Town |
| Hartsville | 15 | 325 | 313 | 0.62% | 1,000 | 0 | Town |
| Clifford | 16 | 214 | 204 | 0.94% | 2,432 | 0 | Town |
| Jonesville | 17 | 181 | 175 | 0.56% | 1,248 | 0 | Town |
Columbus is the largest city in Bartholomew County, with a population of 53,273.
Jonesville is the smallest city in Bartholomew County, with a population of 181.
There are 17 cities in Bartholomew County, Indiana.