11 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Elk township | 1 | 3,124 | 3,272 | -0.92% | 83 | 37.85 | Township |
| McArthur | 2 | 1,696 | 1,786 | -1.05% | 1,005 | 1.69 | Village |
| Richland township | 3 | 1,580 | 1,664 | -1% | 37 | 43.20 | Township |
| Swan township | 4 | 877 | 921 | -1.02% | 23 | 37.45 | Township |
| Wilkesville township | 5 | 768 | 808 | -1.03% | 21 | 36.39 | Township |
| Hamden | 6 | 705 | 727 | -0.56% | 1,284 | 0.55 | Village |
| Eagle township | 7 | 659 | 676 | -0.6% | 20 | 32.35 | Township |
| Knox township | 8 | 510 | 536 | -0.97% | 20 | 24.93 | Township |
| Brown township | 9 | 243 | 257 | -1.22% | 7 | 36.70 | Township |
| Zaleski | 10 | 216 | 228 | -0.92% | 535 | 0.40 | Village |
| Wilkesville | 11 | 105 | 110 | -0.94% | 405 | 0.26 | Village |
Elk township is the largest city in Vinton County, with a population of 3,124.
Wilkesville is the smallest city in Vinton County.
There are 11 cities in Vinton County, Ohio.