4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Hamblen | 1 | 4,481 | 4,451 | -0.24% | 70 | 64 | Township |
| Jackson | 2 | 3,982 | 3,959 | -0.25% | 65 | 62 | Township |
| Prince's Lakes | 3 | 1,372 | 1,372 | 0% | 1,026 | 1 | Town |
| Nashville | 4 | 1,268 | 1,255 | 0.16% | 792 | 2 | Town |
Hamblen is the largest city in Brown County, with a population of 4,481.
Nashville is the smallest city in Brown County, with a population of 1,268.
There are 4 cities in Brown County, Indiana.