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House District 18
Every race for this seat since 2018, with campaign money →
Represented by
Rep. Thomas Jay Moore Republican · Cass
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
- Thomas Jay Moore RProjected winnerIncumbentRe-elected8,14068.3%
- Tripp Narup D3,75731.5%
Registered voters
18,110 active voters, November 2026. Republicans lead by 7,576.
| November 2026 | November 2025 | June 2022 | |
|---|---|---|---|
| Republican | 10,540 58.2% | 10,570 59.5% | 10,575 55.1% |
| Democratic | 2,964 16.4% | 2,707 15.2% | 3,318 17.3% |
| No party | 4,480 24.7% | 4,373 24.6% | 5,189 27.0% |
| Other parties | 126 0.7% | 124 0.7% | 123 0.6% |
Active registrations from the Secretary of State’s monthly totals (Iowa Data Hub). Inactive registrations (about 15.5% of the total) aren’t counted.
Who lives here
- People1.0% of Iowans31,624
- Median household incomeIowa: $75,501$63,547
- Median ageIowa: 39.044.8
- Adults with a bachelor’s degree or moreIowa: 32.1%21.4%
- Below the poverty lineIowa: 11.3%14.9%
- Homes lived in by their ownersIowa: 71.3%69.9%
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.