9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cabot | 1 | 28,079 | 26,566 | 0.91% | 1,353 | 21 | City |
| Ward | 2 | 7,489 | 6,088 | 3.23% | 1,567 | 5 | City |
| Lonoke | 3 | 4,301 | 4,258 | 0.16% | 895 | 5 | City |
| Austin | 4 | 4,264 | 3,553 | 2.87% | 1,377 | 3 | City |
| England | 5 | 2,404 | 2,472 | -0.46% | 1,273 | 2 | City |
| Carlisle | 6 | 1,939 | 2,040 | -0.87% | 400 | 5 | City |
| Humnoke | 7 | 208 | 216 | -0.48% | 662 | 0 | City |
| Keo | 8 | 200 | 205 | -0.5% | 41 | 5 | Town |
| Coy | 9 | 83 | 85 | 0% | 124 | 1 | Town |
Cabot is the largest city in Lonoke County, with a population of 28,079.
Coy is the smallest city in Lonoke County, with a population of 83.
There are 9 cities in Lonoke County, Arkansas.