9 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Cabot | 1 | 27,612 | 26,557 | 0.77% | 1,331 | 20.75 | City |
| Ward | 2 | 7,336 | 6,095 | 3.5% | 1,668 | 4.40 | City |
| Austin | 3 | 4,341 | 3,556 | 3.75% | 1,402 | 3.10 | City |
| Lonoke | 4 | 4,289 | 4,258 | 0.14% | 892 | 4.81 | City |
| England | 5 | 2,420 | 2,472 | -0.41% | 1,281 | 1.89 | City |
| Carlisle | 6 | 1,999 | 2,036 | -0.35% | 413 | 4.84 | City |
| Humnoke | 7 | 210 | 217 | -0.47% | 669 | 0.31 | City |
| Keo | 8 | 201 | 205 | -0.5% | 41 | 4.92 | Town |
| Coy | 9 | 85 | 84 | 0% | 126 | 0.67 | Town |
Cabot is the largest city in Lonoke County, with a population of 27,612.
Coy is the smallest city in Lonoke County.
There are 9 cities in Lonoke County, Arkansas.