Population By Race and Ethnicity in Ottawa, OH in 2021

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2021, the 40,166 population of Ottawa County, Ohio comprised of 2,093 people who identified as Hispanic (5.21%), and 38,073 people who identified as Non-Hispanic (94.79%).

Race: The White Alone population was the largest racial group in Ottawa County, Ohio with a population of 38,816 (96.64%); Two Or More Races population was the second largest racial group with a population of 637 (1.59%); and Black or African American Alone was the third largest racial group with a population of 431 (1.07%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Ottawa County, Ohio in 2021, with a population of 36,949 (91.99%); the second largest ethnic group was White Alone - Hispanic with a population of 1,867 (4.65%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 512 (1.27%).

The charts and tables below shows the population and percentage of each racial and ethnicity group in Ottawa, Ohio.

You can find similar information for other Ohio counties, and for Ohio.

See this for other years:
Hispanics and Non Hispanics in Ottawa, OH in 2021
Total Population:
Race in Ottawa, OH in 2021
Total Population:
Ethnicity in Ottawa, OH in 2021
Total Population:
Population By Race in Ottawa , OH in 2021
Race Population Percentage
Black or African American Alone 431 1.07%
White Alone 38,816 96.64%
American Indian and Alaska Native Alone 103 0.26%
Asian Alone 162 0.4%
Native Hawaiian And Pacific Islander Alone 17 0.04%
Two Or More Races 637 1.59%
Population By Ethnicity in Ottawa , OH in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 67 0.17%
White Alone - Hispanic 1,867 4.65%
American Indian and Alaska Native Alone - Hispanic 19 0.05%
Asian Alone - Hispanic 15 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 0 0%
Two Or More Races - Hispanic 125 0.31%
Black or African American Alone - Non Hispanic 364 0.91%
White Alone - Non Hispanic 36,949 91.99%
American Indian and Alaska Native Alone - Non Hispanic 84 0.21%
Asian Alone - Non Hispanic 147 0.37%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 17 0.04%
Two Or More Races - Non Hispanic 512 1.27%