Iowa State Senate seat · lines in effect since 2022

Iowa Senate District 10

A district of about 56,000 people, 18% of adults with a bachelor's degree. It votes R+7.7 relative to the nation for president.

Dan Dawson (R) · since Nov 8, 2016Next election Nov 7, 2028

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+7.720th most
Democratic
Most DemocraticMost Republican26th seat · the majority lineDistrict 10

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 10.

Adults with a bachelor's degree18% 0th pct · 50th of 50 in IA

Lowest of 50 seats.

White adults without a degree68% 73rd pct · 14th of 50 in IA

Higher than 73% of seats.

Hispanic residents13% 88th pct · 7th of 50 in IA

Higher than 88% of seats.

Black residents2% 45th pct · 28th of 50 in IA

Lower than 55% of seats.

Asian residents1% 45th pct · 28th of 50 in IA

Lower than 55% of seats.

People per square mile1,249 82nd pct · 10th of 50 in IA

Denser than 82% of seats.

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