In 2019, Madison County, IA had a population of 16k people with a median age of 40.7 and a median household income of $66,316. Between 2018 and 2019 the population of Madison County, IA grew from 15,890 to 16,012, a 0.768% increase and its median household income grew from $64,512 to $66,316, a 2.8% increase.
The 5 largest ethnic groups in Madison County, IA are White (Non-Hispanic) (95.3%), White (Hispanic) (1.7%), Asian (Non-Hispanic) (1.26%), Two+ (Non-Hispanic) (1.07%), and Black or African American (Non-Hispanic) (0.237%). 0% of the households in Madison County, IA speak a non-English language at home as their primary language.
99.2% of the residents in Madison County, IA are U.S. citizens.
In 2019, the median property value in Madison County, IA was $177,500, and the homeownership rate was 78.4%. Most people in Madison County, IA drove alone to work, and the average commute time was 25.6 minutes. The average car ownership in Madison County, IA was 2 cars per household.