Iowa State Senate seat · lines in effect since 2022

Iowa Senate District 12

A district of about 63,000 people, 22% of adults with a bachelor's degree. It votes R+43.3 relative to the nation for president.

Where it sits among all 50 seats

Every Iowa State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+43.348th most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 12

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who lives here, compared

Grey bars show the spread of all 50 seats. Small marks are other seats in Iowa. The black marker is District 12.

Adults with a bachelor's degree22% 14th pct · 43rd of 50 in IA

Lower than 86% of seats.

White adults without a degree73% 94th pct · 4th of 50 in IA

Higher than 94% of seats.

Hispanic residents5% 37th pct · 32nd of 50 in IA

Lower than 63% of seats.

Black residents1% 8th pct · 46th of 50 in IA

Lower than 92% of seats.

Asian residents1% 10th pct · 45th of 50 in IA

Lower than 90% of seats.

People per square mile18 0th pct · 50th of 50 in IA

Least dense of 50 seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET