In 2020, Mills County, IA had a population of 15k people with a median age of 42.9 and a median household income of $75,137. Between 2019 and 2020 the population of Mills County, IA declined from 15,034 to 15,023, a −0.0732% decrease and its median household income grew from $72,079 to $75,137, a 4.24% increase.
The 5 largest ethnic groups in Mills County, IA are White (Non-Hispanic) (94%), White (Hispanic) (2.45%), Two+ (Non-Hispanic) (1.44%), Other (Hispanic) (0.659%), and Black or African American (Non-Hispanic) (0.479%).
None of the households in Mills 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.
99.2% of the residents in Mills County, IA are U.S. citizens.
In 2020, the median property value in Mills County, IA was $178,500, and the homeownership rate was 79%. Most people in Mills County, IA drove alone to work, and the average commute time was 23.6 minutes. The average car ownership in Mills County, IA was 2 cars per household.