8 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Attica | 1 | 3,344 | 3,052 | 1.49% | 1,854 | 2 | City |
| Covington | 2 | 2,784 | 2,684 | 0.61% | 1,927 | 1 | City |
| Veedersburg | 3 | 2,096 | 2,095 | 0% | 700 | 3 | Town |
| Kingman | 4 | 567 | 560 | 0.18% | 859 | 1 | Town |
| Hillsboro | 5 | 508 | 510 | 0% | 1,623 | 0 | Town |
| Newtown | 6 | 219 | 219 | 0% | 435 | 1 | Town |
| Mellott | 7 | 176 | 173 | 0.57% | 515 | 0 | Town |
| Wallace | 8 | 81 | 81 | 0% | 566 | 0 | Town |
Attica is the largest city in Fountain County, with a population of 3,344.
Wallace is the smallest city in Fountain County, with a population of 81.
There are 8 cities in Fountain County, Indiana.