2 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Jasper | 1 | 514 | 532 | -0.77% | 539 | 1 | City |
| Western Grove | 2 | 345 | 355 | -0.58% | 320 | 1 | Town |
Jasper is the largest city in Newton County, with a population of 514.
Western Grove is the smallest city in Newton County, with a population of 345.
There are 2 cities in Newton County, Arkansas.