Population By Race and Ethnicity in Buchanan County, IA in 2019

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2019, the 21,148 population of Buchanan County, Iowa comprised of 374 people who identified as Hispanic (1.77%), and 20,774 people who identified as Non-Hispanic (98.23%).

Race: The White Alone population was the largest racial group in Buchanan County, Iowa with a population of 20,604 (97.43%); Two Or More Races population was the second largest racial group with a population of 240 (1.14%); and Asian Alone was the third largest racial group with a population of 125 (0.59%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Buchanan County, Iowa in 2019, with a population of 20,276 (95.88%); the second largest ethnic group was White Alone - Hispanic with a population of 328 (1.55%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 231 (1.09%).

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

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

See this for other years:
Hispanics and Non Hispanics in Buchanan County, IA in 2019
Total Population:
Race in Buchanan County, IA in 2019
Total Population:
Ethnicity in Buchanan County, IA in 2019
Total Population:
Population By Race in Buchanan , IA in 2019
Race Population Percentage
Black or African American Alone 124 0.59%
White Alone 20,604 97.43%
American Indian and Alaska Native Alone 50 0.24%
Asian Alone 125 0.59%
Native Hawaiian And Pacific Islander Alone 5 0.02%
Two Or More Races 240 1.14%
Population By Ethnicity in Buchanan , IA in 2019
Ethnicity Population Percentage
Black or African American Alone - Hispanic 17 0.08%
White Alone - Hispanic 328 1.55%
American Indian and Alaska Native Alone - Hispanic 17 0.08%
Asian Alone - Hispanic 2 0.01%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 9 0.04%
Black or African American Alone - Non Hispanic 107 0.51%
White Alone - Non Hispanic 20,276 95.88%
American Indian and Alaska Native Alone - Non Hispanic 33 0.16%
Asian Alone - Non Hispanic 123 0.58%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 4 0.02%
Two Or More Races - Non Hispanic 231 1.09%