District Maps & Data (Legislative & Congressional)

For district maps effective beginning with the elections in 2022, see https://www.legis.iowa.gov/legislators/redistricting
Current Statewide Legislative & Congressional District Maps
Historical Statewide & Individual District Maps by General Assembly(38028)
Interactive Legislative & Congressional District Map
District Profiles - District Profiles provide assorted data and maps for each Iowa Senate and Iowa House district. Data and maps may be updated periodically, but many use official 2010 U.S. Census Bureau data. The Iowa Legislative Services Agency does not guarantee the accuracy of District Profiles data and maps.
GIS Datasets