Districts › Senate
Senate District 31
Every race for this seat since 2018, with campaign money →
Represented by
Sen. William A. Dotzler Jr. Democrat · Black Hawk
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
- Timi Brown Powers DProjected winner16,33397.9%
Registered voters
28,628 active voters, November 2026. Democrats lead by 4,975.
| November 2026 | November 2025 | June 2022 | |
|---|---|---|---|
| Republican | 7,271 25.4% | 7,187 26.3% | 7,208 22.9% |
| Democratic | 12,246 42.8% | 11,299 41.4% | 14,398 45.8% |
| No party | 8,868 31.0% | 8,541 31.3% | 9,552 30.4% |
| Other parties | 243 0.8% | 261 1.0% | 282 0.9% |
Active registrations from the Secretary of State’s monthly totals (Iowa Data Hub); a Senate district is two House districts. Inactive registrations (about 19.7% of the total) aren’t counted.
Who lives here
- People2.0% of Iowans64,291
- Median household incomeIowa: $75,501$56,662
- Median ageIowa: 39.036.6
- Adults with a bachelor’s degree or moreIowa: 32.1%20.9%
- Below the poverty lineIowa: 11.3%16.8%
- Homes lived in by their ownersIowa: 71.3%61.7%
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.