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Iowa Senate District 19

Every race for this seat since 2018.

District lines were redrawn after the 2020 census. Races before 2022 used the old legislative map, so the same number covered a different area.

Serves now

Ken Rozenboom R

Won the November 3, 2026 election

Barb Kniff McCulla R

Takes office in January 2027

2026

General electionNovember 3, 2026 · 97% reporting

Barb Kniff McCulla RWinner18,03663.2%
Zachary Mecham D10,49736.8%

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Republican primaryJune 2, 2026

Barb Kniff Mcculla RWinner4,19267.8%
Bob Eschliman R1,97932.0%

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Democratic primaryJune 2, 2026

Zachary Mecham DUnopposed2,60899.7%

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2022

General electionNovember 8, 2022

Ken Rozenboom RIncumbentWinner18,11868.6%
Tyler Stewart D8,28331.4%

Map by county →

2018

General electionNovember 6, 2018

Jack Whitver RWinner18,59851.3%
Amber Gustafson D17,60848.6%

Republican primaryJune 5, 2018

Jack Whitver RWinner1,36980.6%
Brett H. Nelson R32619.2%

Races and results: civicAPI and the Iowa Secretary of State. State campaign finance: summary totals from reports filed with the Iowa Ethics & Campaign Disclosure Board. Federal: the Federal Election Commission.