Ottawa County, Ohio

Ottawa County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 40,364. The county seat is Port Clinton. The county is named either for the Ottawa Indians who lived there, or for an Indian word meaning "trader".

Ottawa County was formed on March 6, 1840 from parts of Erie, Lucas and Sandusky counties.

 References 

Category:1840 establishments in Ohio
Category:Ohio counties