2024Final results
2024 election for Iowa House District 19
Iowa House of Representatives · Iowa
Brent Siegrist (R) won with 58.5% of the vote, defeating Roger Petersen (D) by 17.2 points.
Brent SiegristRepublican · winner
58.5%7,751
Roger PetersenDemocrat
41.3%5,469
The same year, the district voted R+8.8 for president; this race was R+17.2.13,246 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
The seat over time
D − R margin in this seat's races around 2024
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)