In 2019, Ottawa County, OH had a population of 40.6k people with a median age of 49.3 and a median household income of $59,099. Between 2018 and 2019 the population of Ottawa County, OH declined from 40,709 to 40,632, a −0.189% decrease and its median household income grew from $57,918 to $59,099, a 2.04% increase.
The 5 largest ethnic groups in Ottawa County, OH are White (Non-Hispanic) (92.3%), White (Hispanic) (3.08%), Other (Hispanic) (1.39%), Black or African American (Non-Hispanic) (1.22%), and Two+ (Non-Hispanic) (0.839%). 0% of the households in Ottawa County, OH speak a non-English language at home as their primary language.
99.7% of the residents in Ottawa County, OH are U.S. citizens.
In 2019, the median property value in Ottawa County, OH was $152,000, and the homeownership rate was 78.8%. Most people in Ottawa County, OH drove alone to work, and the average commute time was 23.1 minutes. The average car ownership in Ottawa County, OH was 2 cars per household.