| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Marengo | 1 | 818 | 823 | 0% | 767 | 1 | Town |
| Milltown | 2 | 811 | 787 | 0.5% | 608 | 1 | Town |
| English | 3 | 689 | 687 | 0.15% | 226 | 3 | Town |
| Leavenworth | 4 | 282 | 288 | -0.35% | 321 | 1 | Town |
| Alton | 5 | 27 | 28 | 0% | 157 | 0 | Town |
Marengo is the largest city in Crawford County, with a population of 818.
Alton is the smallest city in Crawford County, with a population of 27.
There are 5 cities in Crawford County, Indiana.