
Upper Sandusky
- County:
- Wyandot County
- County Seat:
- Yes
- Area (mi²):
- 6.751
- State:
- Ohio
Upper Sandusky is a city located in Wyandot County, Ohio. Upper Sandusky has a 2025 population of 6,617. It is also the county seat of Wyandot County. Upper Sandusky is currently declining at a rate of -0.23% annually and its population has decreased by -1.11% since the most recent census, which recorded a population of 6,691 in 2020.
The average household income in Upper Sandusky is $79,786 with a poverty rate of 5.84%. The median age in Upper Sandusky is 38.9 years: 38.1 years for males, and 39.2 years for females.