In 2020, Ottawa County, OH had a population of 40.6k people with a median age of 49.6 and a median household income of $59,306. Between 2019 and 2020 the population of Ottawa County, OH declined from 40,632 to 40,557, a −0.185% decrease and its median household income grew from $59,099 to $59,306, a 0.35% increase.
The 5 largest ethnic groups in Ottawa County, OH are White (Non-Hispanic) (91.9%), White (Hispanic) (2.8%), Black or African American (Non-Hispanic) (1.23%), Two+ (Hispanic) (1.1%), and Two+ (Non-Hispanic) (1.09%).
None of the households in Ottawa County, OH reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99.7% of the residents in Ottawa County, OH are U.S. citizens.
In 2020, the median property value in Ottawa County, OH was $154,500, and the homeownership rate was 79%. Most people in Ottawa County, OH drove alone to work, and the average commute time was 24.4 minutes. The average car ownership in Ottawa County, OH was 2 cars per household.