Most six-figure households, Iowa counties

Iowa counties with the most households earning $100,000 or more, as of the 2024 American Community Survey. Ranked by number of households, not the share. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide. The median across all 99 is 2,919. Biggest climber in the top 100 since 2020: Appanoose County, IA, up 11 places to #76.