In 2023, Buchanan County, IA had a population of 20.6k people with a median age of 39.9 and a median household income of $78,430. Between 2022 and 2023 the population of Buchanan County, IA grew from 20,631 to 20,645, a 0.0679% increase and its median household income grew from $73,493 to $78,430, a 6.72% increase.
The 5 largest ethnic groups in Buchanan County, IA are White (Non-Hispanic) (95.2%), Two+ (Non-Hispanic) (1.82%), White (Hispanic) (1.19%), Black or African American (Non-Hispanic) (0.746%), and Two+ (Hispanic) (0.291%).
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.
98.9% of the residents in Buchanan County, IA are U.S. citizens.
In 2023, the median property value in Buchanan County, IA was $171,400, and the homeownership rate was 81.1%.
Most people in Buchanan County, IA drove alone to work, and the average commute time was 23.1 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.