6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Helena-West Helena | 1 | 8,198 | 9,516 | -3.12% | 625 | 13 | City |
| Marvell | 2 | 710 | 833 | -3.4% | 494 | 1 | City |
| Elaine | 3 | 429 | 506 | -3.6% | 838 | 1 | City |
| Lake View | 4 | 281 | 325 | -3.1% | 56 | 5 | City |
| Lexa | 5 | 174 | 203 | -3.33% | 424 | 0 | Town |
| Poplar Grove | 6 | 64 | 41 | 6.67% | 47 | 1 | CDP |
Helena-West Helena is the largest city in Phillips County, with a population of 8,198.
Poplar Grove is the smallest city in Phillips County, with a population of 64.
There are 6 cities in Phillips County, Arkansas.