Iowa is represented in the US House by four members of the US House of Representatives
District 1 - Rep. Miller-Meeks
District 2 - Rep. Hinson
District 3 - Rep. Nunn
District 4 - Rep. Feenstra
It is also represented by two Senators serving the entire state - Senator Ernst and Senator Grassley.
The Congressional Districts, represented by Iowa’s members of the US House, are reapportioned every decade following the census to account for population shifts.