Population By Race and Ethnicity in Ottawa, OH in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 40,819 population of Ottawa County, Ohio comprised of 2,149 people who identified as Hispanic (5.27%), and 38,670 people who identified as Non-Hispanic (94.74%).

Race: The White Alone population was the largest racial group in Ottawa County, Ohio with a population of 39,569 (96.94%); Two Or More Races population was the second largest racial group with a population of 595 (1.46%); and Black or African American Alone was the third largest racial group with a population of 381 (0.93%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Ottawa County, Ohio in 2018, with a population of 37,614 (92.15%); the second largest ethnic group was White Alone - Hispanic with a population of 1,955 (4.79%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 484 (1.19%).

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 2018
Total Population:
Race in Ottawa, OH in 2018
Total Population:
Ethnicity in Ottawa, OH in 2018
Total Population:
Population By Race in Ottawa , OH in 2018
Race Population Percentage
Black or African American Alone 381 0.93%
White Alone 39,569 96.94%
American Indian and Alaska Native Alone 105 0.26%
Asian Alone 151 0.37%
Native Hawaiian And Pacific Islander Alone 18 0.04%
Two Or More Races 595 1.46%
Population By Ethnicity in Ottawa , OH in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 47 0.12%
White Alone - Hispanic 1,955 4.79%
American Indian and Alaska Native Alone - Hispanic 24 0.06%
Asian Alone - Hispanic 11 0.03%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0%
Two Or More Races - Hispanic 111 0.27%
Black or African American Alone - Non Hispanic 334 0.82%
White Alone - Non Hispanic 37,614 92.15%
American Indian and Alaska Native Alone - Non Hispanic 81 0.2%
Asian Alone - Non Hispanic 140 0.34%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 17 0.04%
Two Or More Races - Non Hispanic 484 1.19%