In 2020, Madison County, IA had a population of 16.1k people with a median age of 40.8 and a median household income of $71,811. Between 2019 and 2020 the population of Madison County, IA grew from 16,012 to 16,148, a 0.849% increase and its median household income grew from $66,316 to $71,811, a 8.29% increase.
The 5 largest ethnic groups in Madison County, IA are White (Non-Hispanic) (94.9%), White (Hispanic) (2.09%), Two+ (Non-Hispanic) (1.26%), Asian (Non-Hispanic) (0.972%), and Black or African American (Non-Hispanic) (0.495%).
None of the households in Madison 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.
99.9% of the residents in Madison County, IA are U.S. citizens.
In 2020, the median property value in Madison County, IA was $186,700, and the homeownership rate was 79.4%. Most people in Madison County, IA drove alone to work, and the average commute time was 27.2 minutes. The average car ownership in Madison County, IA was 2 cars per household.