7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Washington | 1 | 13,297 | 12,048 | 1.59% | 1,994 | 7 | City |
| Odon | 2 | 1,382 | 1,394 | -0.14% | 1,488 | 1 | Town |
| Montgomery | 3 | 780 | 791 | -0.26% | 483 | 2 | Town |
| Elnora | 4 | 627 | 633 | -0.16% | 642 | 1 | Town |
| Plainville | 5 | 490 | 493 | 0% | 1,420 | 0 | Town |
| Cannelburg | 6 | 175 | 177 | 0% | 845 | 0 | Town |
| Alfordsville | 7 | 66 | 66 | 0% | 1,000 | 0 | Town |
Washington is the largest city in Daviess County, with a population of 13,297.
Alfordsville is the smallest city in Daviess County, with a population of 66.
There are 7 cities in Daviess County, Indiana.