23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Van Wert | 1 | 11,126 | 11,108 | 0.03% | 1,478 | 8 | City |
| Pleasant | 2 | 10,984 | 10,926 | 0.58% | 302 | 36 | Township |
| Washington | 3 | 5,131 | 5,123 | 0.47% | 141 | 36 | Township |
| Ridge | 4 | 3,362 | 3,324 | 0.63% | 93 | 36 | Township |
| Scott | 5 | 2,273 | 2,274 | 0.18% | 61 | 37 | Township |
| Tully | 6 | 2,006 | 2,015 | 0.4% | 56 | 36 | Township |
| Willshire | 7 | 1,633 | 1,648 | 0.31% | 46 | 36 | Township |
| Liberty | 8 | 1,447 | 1,441 | 0.49% | 39 | 37 | Township |
| Scott | 9 | 1,349 | 1,313 | 1.2% | 64 | 21 | Township |
| Scott | 10 | 1,340 | 1,330 | 0.37% | 37 | 36 | Township |
| Convoy | 11 | 999 | 1,014 | -0.3% | 1,598 | 1 | Village |
| Union | 12 | 930 | 930 | 0.11% | 26 | 36 | Township |
| York | 13 | 722 | 732 | 0.28% | 20 | 36 | Township |
| Jennings | 14 | 674 | 666 | 1.2% | 24 | 28 | Township |
| Ohio City | 15 | 644 | 653 | -0.31% | 1,217 | 1 | Village |
| Hoaglin | 16 | 643 | 634 | 0.94% | 20 | 32 | Township |
| Middle Point | 17 | 570 | 570 | 0% | 1,048 | 1 | Village |
| Scott | 18 | 513 | 515 | 0.2% | 21 | 24 | Township |
| Willshire | 19 | 398 | 405 | -0.5% | 1,127 | 0 | Village |
| Scott | 20 | 235 | 240 | -0.42% | 290 | 1 | Village |
| Wren | 21 | 150 | 154 | -0.66% | 542 | 0 | Village |
| Venedocia | 22 | 134 | 138 | -0.74% | 971 | 0 | Village |
| Elgin | 23 | 45 | 45 | 0% | 201 | 0 | Village |
Van Wert is the largest city in Van Wert County, with a population of 11,126.
Elgin is the smallest city in Van Wert County, with a population of 45.
There are 23 cities in Van Wert County, Ohio.