Oklahoma House of Representatives seat · lines in effect since 2022
Oklahoma House District 12
A district of about 42,000 people, 30% of adults with a bachelor's degree. It votes R+56.8 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.
Democratic
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.
| 2020 | 2022 | 2024 | 2026 | |
|---|---|---|---|---|
| U.S. Senate | R+50.7 | No race | No race | No race |
| Oklahoma House of Representatives | No race | R+52.5 | R+58.1 | R+42.3 |
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 12.
Higher than 76% of seats.
Lower than 54% of seats.
Lower than 72% of seats.
Higher than 50% of seats.
Higher than 65% of seats.
Denser than 57% 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 2128% college gradsR+56.7Held RDistrict 20
28% college gradsR+53.6Held RDistrict 25
30% college gradsR+47.9Held RDistrict 36
28% college gradsR+57.5Held 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.
- Mark Chapman (R)
2025– · Won 2024 by 58.1, 2026 by 42.3 - Kevin McDugle (R)
2023–2025 · Won 2022 by 52.5
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)