Johnston, IA politics & representatives
Johnston is represented in Congress by Senators Chuck Grassley and Joni Ernst and Representative Zachary Nunn. Kim Reynolds is governor.
Who represents Johnston in Washington and in Iowa, with how to reach each office.
How Johnston voted in 2024
Official results for Johnston's own voters.
President 14,411 votes
Polk County: Harris 54.8%, Trump 43.9% · Iowa: Trump 55.7%, Harris 42.5%
U.S. House · Iowa's 3rd District 411,708 votes
Whole-district result
Source: MIT Election Data + Science Lab, official 2024 precinct returns (statewide totals from its official state files). Percentages are of votes for candidates; blank and spoiled ballots aren't counted.
Who represents Johnston in Congress
U.S. Senate Both senators represent all of Iowa
U.S. House · Iowa's 3rd District
Who represents Johnston in state government
State Senate · District 22
State House · District 43
Johnston's own government: Town Hall →
Sources: congressional and state legislative districts from the U.S. Census Bureau (119th Congress, 2024 state districts); members of Congress from the congress-legislators project (portraits public domain); governors and state legislators from Open States. Districts are matched to Johnston by land area, so if the town is split, your street decides which one is yours.