23 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Van Wert | 1 | 10,996 | 11,106 | -0.2% | 1,460 | 7.53 | City |
| Pleasant township | 2 | 10,728 | 10,892 | -0.41% | 295 | 36.41 | Township |
| Washington township | 3 | 5,035 | 5,119 | -0.36% | 138 | 36.42 | Township |
| Ridge township | 4 | 3,340 | 3,359 | -0.18% | 92 | 36.20 | Township |
| Scott township | 5 | 2,264 | 2,276 | -0.04% | 60 | 37.46 | Township |
| Tully township | 6 | 1,971 | 2,014 | -0.5% | 55 | 36.10 | Township |
| Willshire township | 7 | 1,607 | 1,653 | -0.62% | 45 | 35.61 | Township |
| Liberty township | 8 | 1,429 | 1,439 | -0.14% | 38 | 37.13 | Township |
| Scott township | 9 | 1,347 | 1,332 | 0.52% | 37 | 36.41 | Township |
| Scott township | 10 | 1,317 | 1,313 | 0.15% | 62 | 21.12 | Township |
| Convoy | 11 | 990 | 1,014 | -0.5% | 1,584 | 0.63 | Village |
| Union township | 12 | 915 | 929 | -0.54% | 25 | 36.43 | Township |
| York township | 13 | 707 | 733 | -0.84% | 19 | 36.34 | Township |
| Jennings township | 14 | 644 | 667 | -1.08% | 23 | 28.06 | Township |
| Ohio City | 15 | 634 | 651 | -0.47% | 1,198 | 0.53 | Village |
| Hoaglin township | 16 | 629 | 634 | -0.16% | 20 | 32.20 | Township |
| Middle Point | 17 | 564 | 569 | -0.18% | 1,037 | 0.54 | Village |
| Scott township | 18 | 511 | 515 | 0% | 21 | 24.43 | Township |
| Willshire | 19 | 392 | 404 | -0.51% | 1,110 | 0.35 | Village |
| Scott | 20 | 230 | 239 | -0.86% | 284 | 0.81 | Village |
| Wren | 21 | 150 | 157 | -0.66% | 542 | 0.28 | Village |
| Venedocia | 22 | 134 | 138 | -0.74% | 971 | 0.14 | Village |
| Elgin | 23 | 44 | 46 | 0% | 196 | 0.22 | Village |
Van Wert is the largest city in Van Wert County, with a population of 10,996.
Elgin is the smallest city in Van Wert County.
There are 23 cities in Van Wert County, Ohio.