5 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rensselaer | 1 | 5,662 | 5,716 | -0.19% | 842 | 6.73 | City |
| DeMotte | 2 | 4,336 | 4,180 | 0.72% | 1,209 | 3.59 | Town |
| Remington | 3 | 1,364 | 1,354 | 0.15% | 358 | 3.81 | Town |
| Wheatfield | 4 | 958 | 907 | 1.05% | 1,621 | 0.59 | Town |
| Fair Oaks | 5 | 396 | 0 | 7.03% | 1,500 | 0.26 | CDP |
Rensselaer is the largest city in Jasper County, with a population of 5,662.
Fair Oaks is the smallest city in Jasper County.
There are 5 cities in Jasper County, Indiana.