Ottawa County's estimated 2025 population is 39,473 with a growth rate of -0.42% in the past year according to the most recent United States census data. Ottawa County is the 62nd largest county in Ohio. The 2010 population was 41,359 and has seen a growth of -4.56% since that time.
Data after 2023 is projected based on recent change
The racial composition of Ottawa County includes 92.73% White, and smaller percentages for other race, Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 37,241 | 92.73% |
| Two or more races | 1,472 | 3.67% |
| Other race | 778 | 1.94% |
| Black or African American | 448 | 1.12% |
| Asian | 140 | 0.35% |
| Native American | 74 | 0.18% |
| Native Hawaiian or Pacific Islander | 8 | 0.02% |
Married
Widowed
Divorced
Separated
Never Married
Ottawa County's average per capita income is $52,165. Household income levels show a median of $75,728. The poverty rate stands at 8.35%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,435 | - |
| Families | $97,140 | $126,501 |
| Households | $75,728 | $104,516 |
| Non Families | $43,856 | $61,903 |
Average Income
Median Household Income
Poverty Rate