7 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Martinsville | 1 | 11,960 | 11,925 | 0.06% | 1,306 | 9.16 | City |
| Mooresville | 2 | 10,135 | 9,444 | 1.38% | 1,511 | 6.71 | Town |
| Brooklyn | 3 | 2,624 | 2,514 | 0.85% | 2,651 | 0.99 | Town |
| Monrovia | 4 | 2,554 | 1,689 | 7.27% | 1,423 | 1.79 | Town |
| Morgantown | 5 | 995 | 1,015 | -0.4% | 2,632 | 0.38 | Town |
| Paragon | 6 | 570 | 557 | 0.53% | 2,073 | 0.28 | Town |
| Eminence | 7 | 205 | 0 | 7.33% | 688 | 0.30 | CDP |
Martinsville is the largest city in Morgan County, with a population of 11,960.
Eminence is the smallest city in Morgan County.
There are 7 cities in Morgan County, Indiana.