Population By Race and Ethnicity in Buchanan County, MO in 2021

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2021, the 83,623 population of Buchanan County, Missouri comprised of 5,879 people who identified as Hispanic (7.03%), and 77,744 people who identified as Non-Hispanic (92.97%).

Race: The White Alone population was the largest racial group in Buchanan County, Missouri with a population of 73,611 (88.03%); Black or African American Alone population was the second largest racial group with a population of 4,954 (5.92%); and Two Or More Races was the third largest racial group with a population of 2,544 (3.04%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Buchanan County, Missouri in 2021, with a population of 68,733 (82.19%); the second largest ethnic group was White Alone - Hispanic with a population of 4,878 (5.83%); and the third largest ethnic group was Black or African American Alone - Non Hispanic with a population of 4,675 (5.59%).

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

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

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Hispanics and Non Hispanics in Buchanan County, MO in 2021
Total Population:
Race in Buchanan County, MO in 2021
Total Population:
Ethnicity in Buchanan County, MO in 2021
Total Population:
Population By Race in Buchanan , MO in 2021
Race Population Percentage
Black or African American Alone 4,954 5.92%
White Alone 73,611 88.03%
American Indian and Alaska Native Alone 663 0.79%
Asian Alone 1,377 1.65%
Native Hawaiian And Pacific Islander Alone 474 0.57%
Two Or More Races 2,544 3.04%
Population By Ethnicity in Buchanan , MO in 2021
Ethnicity Population Percentage
Black or African American Alone - Hispanic 279 0.33%
White Alone - Hispanic 4,878 5.83%
American Indian and Alaska Native Alone - Hispanic 291 0.35%
Asian Alone - Hispanic 100 0.12%
Native Hawaiian And Pacific Islander Alone - Hispanic 80 0.1%
Two Or More Races - Hispanic 251 0.3%
Black or African American Alone - Non Hispanic 4,675 5.59%
White Alone - Non Hispanic 68,733 82.19%
American Indian and Alaska Native Alone - Non Hispanic 372 0.45%
Asian Alone - Non Hispanic 1,277 1.53%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 394 0.47%
Two Or More Races - Non Hispanic 2,293 2.74%