12 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Shawswick township | 1 | 20,614 | 20,715 | -0.37% | 297 | 69.52 | Township |
| Bedford | 2 | 13,889 | 13,803 | 0.12% | 1,138 | 12.21 | City |
| Mitchell | 3 | 3,954 | 3,923 | 0.15% | 1,100 | 3.59 | City |
| Indian Creek township | 4 | 2,640 | 2,659 | -0.38% | 70 | 37.98 | Township |
| Perry township | 5 | 2,304 | 2,310 | -0.26% | 65 | 35.65 | Township |
| Spice Valley township | 6 | 2,163 | 2,191 | -0.46% | 31 | 70.31 | Township |
| Pleasant Run township | 7 | 1,687 | 1,708 | -0.47% | 26 | 64.77 | Township |
| Guthrie township | 8 | 1,293 | 1,306 | -0.39% | 31 | 42.19 | Township |
| Oolitic | 9 | 1,134 | 1,136 | 0% | 1,700 | 0.67 | Town |
| Bono township | 10 | 751 | 751 | -0.13% | 29 | 26.06 | Township |
| Avoca | 11 | 362 | 705 | -3.72% | 173 | 2.10 | CDP |
| Williams | 12 | 72 | 200 | -16.28% | 40 | 1.82 | CDP |
Shawswick township is the largest city in Lawrence County, with a population of 20,614.
Williams is the smallest city in Lawrence County.
There are 12 cities in Lawrence County, Indiana.