Ottawa County's estimated 2026 population is 310,728 with a growth rate of 0.74% in the past year according to the most recent United States census data. Ottawa County is the 7th largest county in Michigan. The 2010 population was 264,114 and has seen a growth of 17.65% since that time.
Data after 2023 is projected based on recent change
Overall: 36.5 years
Female: 37.1 years
Male: 35.8 years
There are 231,928 adults, (50,320 of whom are seniors) in Ottawa County.
Female: 151,791 (50.4%)
Male: 149,412 (49.6%)
The racial composition of Ottawa County includes 84.01% White, 3.56% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 253,027 | 84.01% |
| Two or more races | 22,713 | 7.54% |
| Other race | 10,726 | 3.56% |
| Asian | 8,146 | 2.7% |
| Black or African American | 4,821 | 1.6% |
| Native American | 1,563 | 0.52% |
| Native Hawaiian or Pacific Islander | 207 | 0.07% |
Ottawa County's average per capita income is $54,703. Household income levels show a median of $90,502. The poverty rate stands at 8.31%.
Name | Median | Mean |
|---|---|---|
| Married Families | $117,935 | $145,893 |
| Families | $109,144 | $134,491 |
| Households | $90,502 | $115,371 |
| Non Families | $47,985 | $63,674 |
Average Income
Median Household Income
Poverty Rate