Population By Race and Ethnicity in Buchanan, IA in 2011

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2011, the 20,911 population of Buchanan County, Iowa comprised of 280 people who identified as Hispanic (1.34%), and 20,631 people who identified as Non-Hispanic (98.66%).

Race: The White Alone population was the largest racial group in Buchanan County, Iowa with a population of 20,513 (98.1%); Two Or More Races population was the second largest racial group with a population of 201 (0.96%); and Asian Alone was the third largest racial group with a population of 86 (0.41%).

Ethnicity: The White Alone - Non Hispanic population was the largest ethnic group in Buchanan County, Iowa in 2011, with a population of 20,262 (96.9%); the second largest ethnic group was White Alone - Hispanic with a population of 251 (1.2%); and the third largest ethnic group was Two Or More Races - Non Hispanic with a population of 196 (0.94%).

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, IA in 2011
Total Population:
Race in Buchanan, IA in 2011
Total Population:
Ethnicity in Buchanan, IA in 2011
Total Population:
Population By Race in Buchanan , IA in 2011
Race Population Percentage
Black or African American Alone 73 0.35%
White Alone 20,513 98.1%
American Indian and Alaska Native Alone 36 0.17%
Asian Alone 86 0.41%
Native Hawaiian And Pacific Islander Alone 2 0.01%
Two Or More Races 201 0.96%
Population By Ethnicity in Buchanan , IA in 2011
Ethnicity Population Percentage
Black or African American Alone - Hispanic 8 0.04%
White Alone - Hispanic 251 1.2%
American Indian and Alaska Native Alone - Hispanic 15 0.07%
Asian Alone - Hispanic 0 0%
Native Hawaiian And Pacific Islander Alone - Hispanic 1 0.01%
Two Or More Races - Hispanic 5 0.02%
Black or African American Alone - Non Hispanic 65 0.31%
White Alone - Non Hispanic 20,262 96.9%
American Indian and Alaska Native Alone - Non Hispanic 21 0.1%
Asian Alone - Non Hispanic 86 0.41%
Native Hawaiian And Pacific Islander Alone - Non Hispanic 1 0.01%
Two Or More Races - Non Hispanic 196 0.94%