15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Paoli township | 1 | 5,947 | 6,008 | 0.12% | 94 | 63.25 | Township |
| French Lick township | 2 | 4,580 | 4,563 | 0.44% | 85 | 53.85 | Township |
| Orleans township | 3 | 3,574 | 3,627 | 0.03% | 100 | 35.73 | Township |
| Paoli | 4 | 3,563 | 3,655 | -0.5% | 953 | 3.74 | Town |
| Orleans | 5 | 2,047 | 2,101 | -0.53% | 1,198 | 1.71 | Town |
| French Lick | 6 | 1,727 | 1,736 | -0.12% | 947 | 1.82 | Town |
| Southeast township | 7 | 1,527 | 1,532 | 0.26% | 29 | 53.21 | Township |
| Stampers Creek township | 8 | 1,042 | 1,048 | 0.19% | 37 | 28.45 | Township |
| Jackson township | 9 | 761 | 765 | 0.26% | 21 | 35.75 | Township |
| Orangeville township | 10 | 724 | 733 | 0% | 26 | 28.01 | Township |
| West Baden Springs | 11 | 570 | 545 | 0.88% | 523 | 1.09 | Town |
| Northeast township | 12 | 509 | 515 | 0% | 18 | 28.63 | Township |
| Northwest township | 13 | 327 | 334 | 0% | 11 | 30.30 | Township |
| Saltillo | 14 | 101 | 93 | 2.02% | 88 | 1.15 | Town |
| Livonia | 15 | 97 | 99 | 0% | 94 | 1.04 | Town |
Paoli township is the largest city in Orange County, with a population of 5,947.
Livonia is the smallest city in Orange County.
There are 15 cities in Orange County, Indiana.