8 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Napoleon | 1 | 8,655 | 8,861 | -0.39% | 1,393 | 6 | City |
| Deshler | 2 | 1,559 | 1,591 | -0.32% | 681 | 2 | Village |
| Liberty Center | 3 | 1,081 | 1,108 | -0.37% | 1,046 | 1 | Village |
| Holgate | 4 | 1,038 | 1,062 | -0.38% | 899 | 1 | Village |
| McClure | 5 | 687 | 696 | -0.15% | 1,380 | 0 | Village |
| Hamler | 6 | 598 | 603 | -0.17% | 724 | 1 | Village |
| Malinta | 7 | 225 | 233 | -0.44% | 292 | 1 | Village |
| New Bavaria | 8 | 85 | 87 | 0% | 1,214 | 0 | Village |
Napoleon is the largest city in Henry County, with a population of 8,655.
New Bavaria is the smallest city in Henry County, with a population of 85.
There are 8 cities in Henry County, Ohio.