Oklahoma House of Representatives seat · lines in effect since 2022

Oklahoma House District 40

A district of about 26,000 people, 20% Hispanic, 23% of adults with a bachelor's degree. It votes R+44.2 relative to the nation for president.

Where it sits among all 73 seats

Every Oklahoma 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+44.223rd most
Democratic
Most DemocraticMost Republican37th seat · the majority lineDistrict 40

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.

20202022
U.S. SenateR+40.4No race
Oklahoma House of RepresentativesNo raceR+41.6

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

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

Who lives here, compared

Grey bars show the spread of all 73 seats. Small marks are other seats in Oklahoma. The black marker is District 40.

Adults with a bachelor's degree23% 54th pct · 34th of 73 in OK

Higher than 54% of seats.

White adults without a degree52% 49th pct · 38th of 73 in OK

Lower than 51% of seats.

Hispanic residents20% 93rd pct · 6th of 73 in OK

Higher than 93% of seats.

Black residents3% 40th pct · 44th of 73 in OK

Lower than 60% of seats.

Asian residents1% 57th pct · 32nd of 73 in OK

Higher than 57% of seats.

People per square mile1,452 88th pct · 10th of 73 in OK

Denser than 88% 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. Chad Caldwell (R)
    2023– · Won 2022 by 41.6

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