In 2017, Mills County, IA had a population of 14.9k people with a median age of 42.1 and a median household income of $67,949. Between 2016 and 2017 the population of Mills County, IA grew from 14,841 to 14,933, a 0.62% increase and its median household income grew from $66,203 to $67,949, a 2.64% increase.
The 5 largest ethnic groups in Mills County, IA are White (Non-Hispanic) (94.6%), White (Hispanic) (2.08%), Two or More Races (Non-Hispanic) (1.07%), Black or African American (Non-Hispanic) (0.79%), and Some Other Race (Hispanic) (0.536%). N/A% of the people in Mills County, IA speak a non-English language, and 99.5% are U.S. citizens.
The median property value in Mills County, IA is $157,000, and the homeownership rate is 78.7%. Most people in Mills County, IA commute by Drove Alone, and the average commute time is 23.6 minutes. The average car ownership in Mills County, IA is 2 cars per household.