Iowa House of Representatives seat · lines in effect since 2022

Iowa House District 1

A district of about 25,000 people, 33% Hispanic, 18% of adults with a bachelor's degree. It votes D+0.9 relative to the nation for president.

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.

D+0.930th most
Democratic
Most DemocraticMost Republican51st seat · the majority lineDistrict 1

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 RepresentativesD+6.9D+23.9

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 1.

Adults with a bachelor's degree18% 3rd pct · 97th of 100 in IA

Lower than 97% of seats.

White adults without a degree48% 26th pct · 74th of 100 in IA

Lower than 74% of seats.

Hispanic residents33% 100th pct · 1st of 100 in IA

Highest of 100 seats.

Black residents6% 81st pct · 20th of 100 in IA

Higher than 81% of seats.

Asian residents3% 70th pct · 31st of 100 in IA

Higher than 70% of seats.

People per square mile1,753 82nd pct · 19th of 100 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

Who has held it

These lines took effect in 2022.

  1. Shawn Olorundami (D)
    2027– · Won 2026 by 23.9
  2. J. D. Scholten (D)
    2023–2027 · Won 2022 by 86.4, 2024 by 6.9

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