15 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Ohio | 1 | 43,466 | 41,328 | 0.54% | 985 | 44 | Township |
| Boon | 2 | 13,886 | 13,552 | 0.19% | 166 | 83 | Township |
| Boonville | 3 | 6,687 | 6,687 | 0% | 1,167 | 6 | City |
| Chandler | 4 | 4,027 | 3,687 | 1.44% | 1,382 | 3 | Town |
| Newburgh | 5 | 3,479 | 3,331 | 0.72% | 2,332 | 1 | Town |
| Greer | 6 | 1,950 | 1,855 | 0.62% | 72 | 27 | Township |
| Hart | 7 | 1,646 | 1,548 | 0.73% | 40 | 41 | Township |
| Skelton | 8 | 1,625 | 1,537 | 0.68% | 41 | 40 | Township |
| Campbell | 9 | 1,175 | 1,113 | 0.6% | 30 | 39 | Township |
| Pigeon | 10 | 1,024 | 966 | 0.59% | 25 | 40 | Township |
| Lynnville | 11 | 895 | 832 | 1.24% | 514 | 2 | Town |
| Elberfeld | 12 | 681 | 644 | 0.89% | 2,225 | 0 | Town |
| Owen | 13 | 660 | 626 | 0.61% | 26 | 25 | Township |
| Lane | 14 | 272 | 250 | 1.49% | 12 | 24 | Township |
| Tennyson | 15 | 230 | 214 | 1.32% | 983 | 0 | Town |
Ohio is the largest city in Warrick County, with a population of 43,466.
Tennyson is the smallest city in Warrick County, with a population of 230.
There are 15 cities in Warrick County, Indiana.