Ottawa County, Ohio. QuickFacts provides statistics for all states and counties. Also for cities and towns with a population of 5,000 or more.

As of the 2020 census, the population was 40,364. Its county seat is Port Clinton. The county is named either for the Ottawa (Odawa) Indigenous peoples who ... Benton Township, Ottawa... · Allen Township, Ottawa... · Harris Township, Ottawa...

Ottawa County, Ohio has 254.7 square miles of land area and is the 86th largest county in Ohio by total area. Topics in the Ottawa County, Ohio data profile ...

The population of Ottawa County, Ohio in 2022 was 39,978, 3.3% down from the 41,359 who lived there in 2010. For comparison, the US population grew 7.7% and ... How has the population... · How old is the population in...

In 2022, Ottawa County, OH had a population of 40.4k people with a median age of 49.8 and a median household income of $69,515. Between 2021 and 2022 the ...

Ottawa County, Ohio's estimated 2024 population is 39,638 with a growth rate of -0.41% in the past year according to the most recent United States census data.