Iowa is a U.S. state with two senators in the United States Senate and four representatives in the United States House of Representatives.

Scroll down for a map of the districts.


Each state elects two senators for staggered 6-year terms. Senators represent the entire state.

Senior Senator
Charles “Chuck” Grassley
Took Office: Jan 5, 1981
Next Election: 2016
Party: Republican
Junior Senator
Joni Ernst
Took Office: Jan 6, 2015
Next Election: 2020
Party: Republican


The United States is divided into 435 congressional districts — 4 in Iowa — each with a population of about 710,000 individuals. Each district elects a representative to the House for a two-year term. Representatives are also called congressmen/congresswomen.

1st District
Rod Blum
Took Office: Jan 6, 2015
Party: Republican
Clayton County, Fayette County, Linn ...
2nd District
David Loebsack
Took Office: Jan 4, 2007
Party: Democrat
Jasper County, Clinton County, Johnson ...
3rd District
David Young
Took Office: Jan 6, 2015
Party: Republican
Pottawattamie County, Guthrie County, Dallas ...
4th District
Steve King
Took Office: Jan 3, 2013
Party: Republican
Kossuth County, Woodbury County, Plymouth ...