Waterloo, IA politics & representatives
Waterloo is represented in Congress by Senators Chuck Grassley and Joni Ernst and Representative Ashley Hinson. Kim Reynolds is governor.
Who represents Waterloo in Washington and in Iowa, with how to reach each office.
How Black Hawk County voted in 2024
Official results for all of Black Hawk County. Waterloo's own results aren't published in a form we can match to the town exactly, so these are the county's.
President 62,653 votes
Iowa: Trump 55.7%, Harris 42.5%
U.S. House · Iowa's 2nd District 408,461 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 Waterloo in Congress
U.S. Senate Both senators represent all of Iowa
U.S. House · Iowa's 2nd District
Who represents Waterloo in state government
State Senate · District 31 Covers about 87% of Waterloo
State Senate · District 38 Covers about 13% of Waterloo
State House · District 62 Covers about 50% of Waterloo
State House · District 61 Covers about 37% of Waterloo
State House · District 76 Covers about 13% of Waterloo
Waterloo is split between state legislative districts. Find yours by address ↗
Waterloo'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 Waterloo by land area, so if the town is split, your street decides which one is yours.