| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fremont | 1 | 15,732 | 15,908 | -0.21% | 1,800 | 9 | City |
| Clyde | 2 | 6,371 | 6,313 | 0.16% | 1,219 | 5 | City |
| Gibsonburg | 3 | 2,457 | 2,487 | -0.2% | 1,059 | 2 | Village |
| Woodville | 4 | 1,969 | 2,003 | -0.35% | 1,461 | 1 | Village |
| Lindsey | 5 | 451 | 455 | -0.22% | 289 | 2 | Village |
| Helena | 6 | 207 | 212 | -0.48% | 711 | 0 | Village |
| Burgoon | 7 | 176 | 181 | -0.56% | 1,275 | 0 | Village |
Fremont is the largest city in Sandusky County, with a population of 15,732.
Burgoon is the smallest city in Sandusky County, with a population of 176.
There are 7 cities in Sandusky County, Ohio.