The new map was drawn by an independent body and approved by both houses of the state legislature before being signed by the governor.
What that means for legislators in Iowa has yet to be determined. Reuters reported that so far at least two of the state's congressmen have said they will move "into another district rather than face a primary against an incumbent of their own party."
Redistricting went quickly in Iowa because the process is so straightforward. Unfortunately the same cannot be said for every state. Last week Virginia's Governor vetoed the map he was presented with.
Learn more about redistricting by watching our webinar on what nonprofits should know about redistricting and visiting our redistricting resources page.