13 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Walnut Ridge | 1 | 5,561 | 5,402 | 0.49% | 333 | 17 | City |
| Hoxie | 2 | 2,582 | 2,602 | -0.12% | 387 | 7 | City |
| Black Rock | 3 | 650 | 589 | 1.56% | 198 | 3 | City |
| Imboden | 4 | 636 | 642 | -0.16% | 500 | 1 | Town |
| Portia | 5 | 499 | 420 | 2.67% | 386 | 1 | Town |
| Ravenden | 6 | 418 | 427 | -0.24% | 198 | 2 | Town |
| Strawberry | 7 | 259 | 265 | -0.38% | 111 | 2 | Town |
| Lynn | 8 | 250 | 255 | -0.4% | 108 | 2 | Town |
| Sedgwick | 9 | 155 | 161 | -0.64% | 299 | 1 | Town |
| Alicia | 10 | 134 | 139 | -0.74% | 310 | 0 | Town |
| Powhatan | 11 | 101 | 104 | 0% | 185 | 1 | Town |
| Minturn | 12 | 83 | 86 | 0% | 146 | 1 | Town |
| Smithville | 13 | 82 | 85 | 0% | 123 | 1 | Town |
Walnut Ridge is the largest city in Lawrence County, with a population of 5,561.
Smithville is the smallest city in Lawrence County, with a population of 82.
There are 13 cities in Lawrence County, Arkansas.