4 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Rensselaer | 1 | 5,589 | 5,718 | -0.37% | 782 | 7 | City |
| DeMotte | 2 | 4,330 | 4,177 | 0.6% | 1,207 | 4 | Town |
| Remington | 3 | 1,376 | 1,349 | 0.36% | 361 | 4 | Town |
| Wheatfield | 4 | 934 | 904 | 0.54% | 1,580 | 1 | Town |
Rensselaer is the largest city in Jasper County, with a population of 5,589.
Wheatfield is the smallest city in Jasper County, with a population of 934.
There are 4 cities in Jasper County, Indiana.