In 2021, Mahaska County, IA had a population of 22.1k people with a median age of 38.6 and a median household income of $60,617. Between 2020 and 2021 the population of Mahaska County, IA declined from 22,351 to 22,132, a −0.98% decrease and its median household income grew from $56,417 to $60,617, a 7.44% increase.
The 5 largest ethnic groups in Mahaska County, IA are White (Non-Hispanic) (92.3%), Two+ (Non-Hispanic) (2.1%), White (Hispanic) (1.7%), Black or African American (Non-Hispanic) (1.68%), and Asian (Non-Hispanic) (1.23%).
None of the households in Mahaska 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.
99.1% of the residents in Mahaska County, IA are U.S. citizens.
The largest universities in Mahaska County, IA are William Penn University (251 degrees awarded in 2021).
In 2021, the median property value in Mahaska County, IA was $118,600, and the homeownership rate was 67.1%.
Most people in Mahaska County, IA drove alone to work, and the average commute time was 18 minutes. The average car ownership in Mahaska County, IA was 2 cars per household.
Mahaska County, IA borders Jasper County, IA, Keokuk County, IA, Marion County, IA, Monroe County, IA, Poweshiek County, IA, and Wapello County, IA.