In 2023, Madison County, IA had a population of 16.8k people with a median age of 41 and a median household income of $89,542. Between 2022 and 2023 the population of Madison County, IA grew from 16,609 to 16,760, a 0.909% increase and its median household income grew from $88,110 to $89,542, a 1.63% increase.
The 5 largest ethnic groups in Madison County, IA are White (Non-Hispanic) (94.3%), Two+ (Non-Hispanic) (2.2%), White (Hispanic) (1.3%), Black or African American (Non-Hispanic) (0.788%), and Black or African American (Hispanic) (0.471%).
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.
99.6% of the residents in Madison County, IA are U.S. citizens.
In 2023, the median property value in Madison County, IA was $236,900, and the homeownership rate was 81.3%.
Most people in Madison County, IA drove alone to work, and the average commute time was 27 minutes. The average car ownership in Madison County, IA was 3 cars per household.
Madison County, IA borders Adair County, IA, Clarke County, IA, Dallas County, IA, Guthrie County, IA, Polk County, IA, Union County, IA, and Warren County, IA.