12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Shawswick | 1 | 20,827 | 20,709 | 0.24% | 300 | 70 | Township |
| Bedford | 2 | 13,865 | 13,802 | 0.09% | 1,136 | 12 | City |
| Mitchell | 3 | 3,975 | 3,920 | 0.28% | 1,106 | 4 | City |
| Indian Creek | 4 | 2,686 | 2,662 | 0.45% | 71 | 38 | Township |
| Perry | 5 | 2,339 | 2,309 | 0.56% | 66 | 36 | Township |
| Spice Valley | 6 | 2,191 | 2,191 | 0.27% | 31 | 70 | Township |
| Pleasant Run | 7 | 1,720 | 1,708 | 0.47% | 27 | 65 | Township |
| Guthrie | 8 | 1,306 | 1,302 | 0.31% | 31 | 42 | Township |
| Oolitic | 9 | 1,135 | 1,138 | -0.09% | 1,702 | 1 | Town |
| Bono | 10 | 756 | 748 | 0.27% | 29 | 26 | Township |
| Avoca | 11 | 362 | 705 | -3.72% | 173 | 2 | CDP |
| Williams | 12 | 72 | 200 | -16.28% | 40 | 2 | CDP |
Shawswick is the largest city in Lawrence County, with a population of 20,827.
Williams is the smallest city in Lawrence County, with a population of 72.
There are 12 cities in Lawrence County, Indiana.