McClain County, Oklahoma Census 2020 Population By Race and Ethnicity

Updated on April 9, 2023.

According to the data from the US 2020 decennial Census, in April 2020, the 41.66K population of McClain County, OK residents comprised of 3.70K residents who identified as Hispanic or Latino (8.88%), and 37.96K residents who identified as Non-Hispanic (91.12%).

Race: The White Alone population was the largest racial group in McClain County, OK, with a population of 31.63K (75.91%). The Two Or More Races population was the second largest racial group in McClain County, OK, with a population of 5.11K (12.26%). The American Indian and Alaska Native Alone population was the third largest racial group in McClain County, OK, with a population of 2.83K (6.80%). The smallest racial group in McClain County, OK was Native Hawaiian And Pacific Islander Alone with a population of 36 (0.09%).

Ethnicity: The Non-Hispanic - White Alone population was the largest ethnic group in McClain County, OK, with a population of 30.70K (73.69%). The Non-Hispanic - Two or More Races population was the second largest ethnic group in McClain County, OK, with a population of 3.92K (9.40%). The Non-Hispanic - American Indian & Alaska Native population was the third largest ethnic group in McClain County, OK, with a population of 2.65K (6.37%). The smallest ethnic group in McClain County, OK was Hispanic - Native Hawaiian & Pac. Islander with a population of 0 (0.00%).

The charts and tables below shows the population and percentage of each racial group and ethnicity group in McClain County, Oklahoma from the 2020 decennial census.

You can see similar information for other Oklahoma counties and also for the state of Oklahoma.

McClain County, OK Hispanics and Non Hispanics Population in Census 2020
Total Population:
McClain County, OK Racial Groups in Census 2020
Total Population:
McClain County, OK Ethnicity Groups in Census 2020
Total Population:
McClain County, OK Population of Racial Groups in Census 2020
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Race Population % of County Population
Black or African American Alone 352 0.85
White Alone 31626 75.91
American Indian and Alaska Native Alone 2834 6.80
Asian Alone 212 0.51
Native Hawaiian And Pacific Islander Alone 36 0.09
Some Other Race Alone 1494 3.59
Two Or More Races 5108 12.26
McClain County, OK Population of Ethnicity Groups in Census 2020
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Ethnicity Population % of County Population
Non-Hispanic - White Alone 30701 73.69
Non-Hispanic - Two or More Races 3918 9.40
Non-Hispanic - American Indian & Alaska Native 2653 6.37
Hispanic - Some Other Race Alone 1394 3.35
Hispanic - Two or More Races 1190 2.86
Hispanic - White Alone 925 2.22
Non-Hispanic - Black Alone 346 0.83
Non-Hispanic - Asian Alone 209 0.50
Hispanic - American Indian & Alaska Native 181 0.43
Non-Hispanic - Some Other Race Alone 100 0.24
Non-Hispanic - Native Hawaiian & Pac. Islander 36 0.09
Hispanic - Black Alone 6 0.01
Hispanic - Asian Alone 3 0.01
Hispanic - Native Hawaiian & Pac. Islander 0 0.00