99chambers

Iowa House of Representatives seat · lines in effect since 2022

Iowa House District 64

A district of about 31,000 people, 18% of adults with a bachelor's degree. It votes R+33.9 relative to the nation for president.

Jason Gearhart (R) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

Where it sits among all 100 seats

Every Iowa House of Representatives 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+33.978th most
Democratic
Most DemocraticMost Republican51st seat · the majority lineDistrict 64

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

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20222026
Iowa House of RepresentativesR+37.7R+24.9

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Iowa Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 100 seats. Small marks are other seats in Iowa. The black marker is District 64.

Adults with a bachelor's degree18% 4th pct · 96th of 100 in IA

Lower than 96% of seats.

White adults without a degree77% 100th pct · 1st of 100 in IA

Highest of 100 seats.

Hispanic residents5% 52nd pct · 49th of 100 in IA

Higher than 52% of seats.

Black residents1% 32nd pct · 68th of 100 in IA

Lower than 68% of seats.

Asian residents0% 5th pct · 95th of 100 in IA

Lower than 95% of seats.

People per square mile21 7th pct · 93rd of 100 in IA

Less dense than 93% of seats.

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

Seats most like this one

Nearest seats on demographics, density and lean.

District 58
21% college gradsR+31.9Held RDistrict 66
21% college gradsR+30.2Held RDistrict 9
22% college gradsR+38.1Held RDistrict 68
21% college gradsR+28.9Held R

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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 has held it

These lines took effect in 2022.

  1. Jason Gearhart (R)
    2025– · Won 2024 by 35.7, 2026 by 24.9
  2. Anne Osmundson (R)
    2023–2025 · Won 2022 by 37.7

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)