9 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Norwalk | 1 | 17,240 | 17,035 | 0.2% | 1,945 | 9 | City |
| Bellevue | 2 | 8,132 | 8,233 | -0.21% | 1,327 | 6 | City |
| Willard | 3 | 6,059 | 6,199 | -0.38% | 1,692 | 4 | City |
| New London | 4 | 2,353 | 2,416 | -0.42% | 1,067 | 2 | Village |
| Plymouth | 5 | 1,680 | 1,713 | -0.3% | 673 | 2 | Village |
| Greenwich | 6 | 1,374 | 1,400 | -0.29% | 906 | 2 | Village |
| Monroeville | 7 | 1,279 | 1,299 | -0.23% | 914 | 1 | Village |
| Wakeman | 8 | 1,021 | 990 | 0.49% | 1,238 | 1 | Village |
| North Fairfield | 9 | 451 | 463 | -0.44% | 976 | 0 | Village |
Norwalk is the largest city in Huron County, with a population of 17,240.
North Fairfield is the smallest city in Huron County, with a population of 451.
There are 9 cities in Huron County, Ohio.