15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ohio township | 1 | 43,558 | 41,327 | 1.04% | 987 | 44.13 | Township |
| Boon township | 2 | 13,939 | 13,556 | 0.58% | 167 | 83.42 | Township |
| Boonville | 3 | 6,679 | 6,686 | -0.01% | 1,165 | 5.73 | City |
| Chandler | 4 | 4,015 | 3,685 | 1.67% | 1,378 | 2.91 | Town |
| Newburgh | 5 | 3,470 | 3,334 | 0.78% | 2,326 | 1.49 | Town |
| Greer township | 6 | 1,950 | 1,854 | 1.04% | 72 | 27.17 | Township |
| Hart township | 7 | 1,653 | 1,550 | 1.29% | 40 | 41.15 | Township |
| Skelton township | 8 | 1,628 | 1,538 | 1.12% | 41 | 39.58 | Township |
| Campbell township | 9 | 1,172 | 1,113 | 1.03% | 30 | 39.33 | Township |
| Pigeon township | 10 | 1,029 | 964 | 1.18% | 25 | 40.47 | Township |
| Lynnville | 11 | 888 | 832 | 1.25% | 510 | 1.74 | Town |
| Elberfeld | 12 | 675 | 642 | 1.05% | 2,206 | 0.31 | Town |
| Owen township | 13 | 657 | 625 | 0.92% | 26 | 25.11 | Township |
| Lane township | 14 | 269 | 251 | 1.51% | 11 | 23.51 | Township |
| Tennyson | 15 | 230 | 215 | 1.32% | 983 | 0.23 | Town |
Ohio township is the largest city in Warrick County, with a population of 43,558.
Tennyson is the smallest city in Warrick County.
There are 15 cities in Warrick County, Indiana.