4 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Loogootee | 1 | 2,628 | 2,597 | 0.23% | 1,679 | 1.56 | City |
| Shoals | 2 | 682 | 676 | 0.15% | 374 | 1.82 | Town |
| Crane | 3 | 164 | 166 | 0% | 1,367 | 0.12 | Town |
| Dover Hill | 4 | 34 | 16 | -12.82% | 44 | 0.78 | CDP |
Loogootee is the largest city in Martin County, with a population of 2,628.
Dover Hill is the smallest city in Martin County.
There are 4 cities in Martin County, Indiana.