7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Fremont | 1 | 15,774 | 15,894 | -0.13% | 1,805 | 9 | City |
| Clyde | 2 | 6,385 | 6,309 | 0.2% | 1,222 | 5 | City |
| Gibsonburg | 3 | 2,485 | 2,487 | 0% | 1,071 | 2 | Village |
| Woodville | 4 | 1,982 | 2,003 | -0.15% | 1,470 | 1 | Village |
| Lindsey | 5 | 455 | 454 | 0% | 291 | 2 | Village |
| Helena | 6 | 206 | 212 | -0.48% | 708 | 0 | Village |
| Burgoon | 7 | 181 | 181 | 0% | 1,312 | 0 | Village |
Fremont is the largest city in Sandusky County, with a population of 15,774.
Burgoon is the smallest city in Sandusky County, with a population of 181.
There are 7 cities in Sandusky County, Ohio.