In 2021, Buchanan County, IA had a population of 20.6k people with a median age of 39.2 and a median household income of $71,024. Between 2020 and 2021 the population of Buchanan County, IA declined from 21,141 to 20,598, a −2.57% decrease and its median household income grew from $67,252 to $71,024, a 5.61% increase.
The 5 largest ethnic groups in Buchanan County, IA are White (Non-Hispanic) (95.6%), Two+ (Non-Hispanic) (1.71%), White (Hispanic) (1.34%), Black or African American (Non-Hispanic) (0.636%), and Two+ (Hispanic) (0.267%).
None of the households in Buchanan County, IA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
99% of the residents in Buchanan County, IA are U.S. citizens.
In 2021, the median property value in Buchanan County, IA was $146,900, and the homeownership rate was 80.4%.
Most people in Buchanan County, IA drove alone to work, and the average commute time was 23 minutes. The average car ownership in Buchanan County, IA was 2 cars per household.
Buchanan County, IA borders Benton County, IA, Black Hawk County, IA, Bremer County, IA, Clayton County, IA, Delaware County, IA, Fayette County, IA, and Linn County, IA.