15 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ohio | 1 | 43,231 | 41,328 | 0.55% | 980 | 44 | Township |
| Boon | 2 | 13,859 | 13,552 | 0.2% | 166 | 83 | Township |
| Boonville | 3 | 6,687 | 6,687 | 0% | 1,167 | 6 | City |
| Chandler | 4 | 3,970 | 3,687 | 1.43% | 1,362 | 3 | Town |
| Newburgh | 5 | 3,454 | 3,331 | 0.7% | 2,315 | 1 | Town |
| Greer | 6 | 1,938 | 1,855 | 0.62% | 71 | 27 | Township |
| Hart | 7 | 1,634 | 1,548 | 0.74% | 40 | 41 | Township |
| Skelton | 8 | 1,614 | 1,537 | 0.69% | 41 | 40 | Township |
| Campbell | 9 | 1,168 | 1,113 | 0.6% | 30 | 39 | Township |
| Pigeon | 10 | 1,018 | 966 | 0.59% | 25 | 40 | Township |
| Lynnville | 11 | 884 | 832 | 1.14% | 507 | 2 | Town |
| Elberfeld | 12 | 675 | 644 | 0.9% | 2,206 | 0 | Town |
| Owen | 13 | 656 | 626 | 0.61% | 26 | 25 | Township |
| Lane | 14 | 268 | 250 | 1.52% | 11 | 24 | Township |
| Tennyson | 15 | 227 | 214 | 0.89% | 970 | 0 | Town |
Ohio is the largest city in Warrick County, with a population of 43,231.
Tennyson is the smallest city in Warrick County, with a population of 227.
There are 15 cities in Warrick County, Indiana.