99chambers

Iowa House of Representatives seat · lines in effect since 2022

Iowa House District 51

A district of about 41,000 people, 35% of adults with a bachelor's degree. It votes R+20.8 relative to the nation for president.

Brett Barker (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+20.858th most
Democratic
Most DemocraticMost Republican51st seat · the majority lineDistrict 51

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.

20242026
Iowa House of RepresentativesR+25.3R+11.0

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 51.

Adults with a bachelor's degree35% 70th pct · 31st of 100 in IA

Higher than 70% of seats.

White adults without a degree57% 39th pct · 61st of 100 in IA

Lower than 61% of seats.

Hispanic residents7% 64th pct · 37th of 100 in IA

Higher than 64% of seats.

Black residents0% 7th pct · 93rd of 100 in IA

Lower than 93% of seats.

Asian residents3% 68th pct · 33rd of 100 in IA

Higher than 68% of seats.

People per square mile49 37th pct · 63rd of 100 in IA

Less dense than 63% 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 92
37% college gradsR+14.2Held RDistrict 48
36% college gradsR+16.5Held RDistrict 22
33% college gradsR+20.2Held RDistrict 91
37% college gradsR+11.6Held 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. Brett Barker (R)
    2025– · Won 2024 by 25.3, 2026 by 11.0
  2. Dave Deyoe (R)
    2023–2025 · Won 2022 by 46.8

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