6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Helena-West Helena | 1 | 8,104 | 9,519 | -3.37% | 618 | 13 | City |
| Marvell | 2 | 698 | 840 | -3.86% | 486 | 1 | City |
| Elaine | 3 | 421 | 508 | -3.88% | 822 | 1 | City |
| Lake View | 4 | 276 | 325 | -3.5% | 55 | 5 | City |
| Lexa | 5 | 175 | 204 | -3.31% | 427 | 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 8,104.
Poplar Grove is the smallest city in Phillips County, with a population of 64.
There are 6 cities in Phillips County, Arkansas.