99chambers

Iowa House of Representatives seat · lines in effect since 2022

Iowa House District 45

A district of about 63,000 people, 49% of adults with a bachelor's degree. It votes R+23.8 relative to the nation for president.

Brian Lohse (R) · since Nov 6, 2018Next 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+23.862nd most
Democratic
Most DemocraticMost Republican51st seat · the majority lineDistrict 45

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+29.3R+15.4

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 45.

Adults with a bachelor's degree49% 87th pct · 14th of 100 in IA

Higher than 87% of seats.

White adults without a degree46% 19th pct · 81st of 100 in IA

Lower than 81% of seats.

Hispanic residents4% 39th pct · 61st of 100 in IA

Lower than 61% of seats.

Black residents4% 66th pct · 35th of 100 in IA

Higher than 66% of seats.

Asian residents3% 72nd pct · 29th of 100 in IA

Higher than 72% of seats.

People per square mile190 56th pct · 45th of 100 in IA

Denser than 56% 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. 1 of the 4 flipped this year.

District 94
47% college gradsR+6.7Held RDistrict 46
47% college gradsR+7.8Flipped DDistrict 51
35% college gradsR+20.8Held RDistrict 92
37% college gradsR+14.2Held 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. Austin Stubbs (R)
    2027– · Won 2026 by 15.4
  2. Brian K. Lohse (R)
    2023–2027 · Won 2022 by 92.5, 2024 by 29.3

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