Districts › Senate
Senate District 19
Every race for this seat since 2018, with campaign money →
Represented by
Sen. Ken Rozenboom Republican · Marion
Members elected in November 2026 take office when the 92nd General Assembly convenes on Monday, January 11, 2027. Funnel will show them here once the Legislature publishes the new roster.
Latest election
- Barb Kniff McCulla R18,03663.2%
- Zachary Mecham D10,49736.8%
Leading by 26.4 points
Registered voters
39,137 active voters, November 2026. Republicans lead by 10,386.
| November 2026 | November 2025 | June 2022 | |
|---|---|---|---|
| Republican | 18,878 48.2% | 18,294 47.9% | 16,851 42.8% |
| Democratic | 8,492 21.7% | 8,192 21.4% | 10,161 25.8% |
| No party | 11,535 29.5% | 11,487 30.1% | 12,058 30.7% |
| Other parties | 232 0.6% | 247 0.6% | 265 0.7% |
Active registrations from the Secretary of State’s monthly totals (Iowa Data Hub); a Senate district is two House districts. Inactive registrations (about 13.4% of the total) aren’t counted.
Who lives here
- People2.0% of Iowans63,944
- Median household incomeIowa: $75,501$74,991
- Median ageIowa: 39.040.5
- Adults with a bachelor’s degree or moreIowa: 32.1%25.0%
- Below the poverty lineIowa: 11.3%7.8%
- Homes lived in by their ownersIowa: 71.3%74.4%
U.S. Census Bureau, ACS 2024 5-year estimates (via Census Reporter). Survey estimates have margins of error, larger for small groups.
Who has held this seat
Since the 90th General Assembly (2023), the first elected under the district maps drawn in 2021. Earlier districts with this number covered different areas.