Iowa House of Representatives following the 2002 redistricting.  Uploaded for use as a template for election result maps. Party colors (Republican and Democratic) provided for the first two districts mentioned in the file.
https://www.legis.iowa.gov/Resources/Redist/redistricting.aspx?planYear=2001 (specifically the "house.shp" file in https://www.legis.iowa.gov/DOCS/Resources/Redist/2001/plan2shapefiles.zip) Converted with http://indiemapper.com/app/.
Iowa Legislative Services Agency