
Sandusky
- County:
- Sanilac County
- County Seat:
- Yes
- Area (mi²):
- 2.147
- State:
- Michigan
Sandusky is a city located in Sanilac County, Michigan. Sandusky has a 2025 population of 2,673. It is also the county seat of Sanilac County. Sandusky is currently declining at a rate of -0.22% annually and its population has decreased by -1.11% since the most recent census, which recorded a population of 2,703 in 2020.
The average household income in Sandusky is $76,769 with a poverty rate of 10.5%. The median age in Sandusky is 42.2 years: 39 years for males, and 47.9 years for females.