Population By Race and Ethnicity in Washington, OK in 2018

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2018, the 51,881 population of Washington County, Oklahoma comprised of 3,236 people who identified as Hispanic (6.24%), and 48,645 people who identified as Non-Hispanic (93.76%).

Race: The White Alone population was the largest racial group in Washington County, Oklahoma with a population of 40,039 (77.18%); American Indian and Alaska Native Alone population was the second largest racial group with a population of 5,700 (10.99%); and Two Or More Races was the third largest racial group with a population of 3,608 (6.95%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Washington County, Oklahoma in 2018, with a population of 37,450 (72.18%); the second largest ethnic group was American Indian and Alaska Native Alone - Non Hispanic with a population of 5,389 (10.39%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 3,397 (6.55%).

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

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

See this for other years:
Hispanics and Non Hispanics in Washington, OK in 2018
Total Population:
Race in Washington, OK in 2018
Total Population:
Ethnicity in Washington, OK in 2018
Total Population:
Population By Race in Washington , OK in 2018
Race Population Percentage
Black or African American Alone 1,322 2.55%
White Alone 40,039 77.18%
American Indian and Alaska Native Alone 5,700 10.99%
Asian Alone 1,175 2.27%
Native Hawaiian And Pacific Islander Alone 37 0.07%
Two Or More Races 3,608 6.95%
Population By Ethnicity in Washington , OK in 2018
Ethnicity Population Percentage
Black or African American Alone - Hispanic 96 0.19%
White Alone - Hispanic 2,589 4.99%
American Indian and Alaska Native Alone - Hispanic 311 0.6%
Asian Alone - Hispanic 23 0.04%
Native Hawaiian And Pacific Islander Alone - Hispanic 6 0.01%
Two Or More Races - Hispanic 211 0.41%
Black or African American Alone - Non Hispanic 1,226 2.36%
White Alone - Non Hispanic 37,450 72.18%
American Indian and Alaska Native Alone - Non Hispanic 5,389 10.39%
Asian Alone - Non Hispanic 1,152 2.22%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 31 0.06%
Two Or More Races - Non Hispanic 3,397 6.55%