Iowa Senators Senior Senator Sen. Chuck Grassley [R-IA] Junior Senator Sen. Tom Harkin [D-IA] Representatives (Iowa District Map) District 1 Rep. Bruce Braley [D-IA1] District 2 Rep. Dave Loebsack [D-IA2] District 3 Rep. Leonard Boswell [D-IA3] District 4 Rep. Tom Lathan [O-IA4] District 5 Rep. Steve King [R-IA5]
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