99chambers

Oklahoma House of Representatives seat · lines in effect since 2022

Oklahoma House District 18

A district of about 39,000 people, 15% of adults with a bachelor's degree. It votes R+62.0 relative to the nation for president.

David Smith (R) · since Nov 6, 2018Next election Nov 7, 2028The 2026 race →

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+62.057th most
Democratic
Most DemocraticMost Republican37th seat · the majority lineDistrict 18

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
U.S. SenateR+54.1

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 18.

Adults with a bachelor's degree15% 4th pct · 70th of 73 in OK

Lower than 96% of seats.

White adults without a degree55% 57th pct · 32nd of 73 in OK

Higher than 57% of seats.

Hispanic residents6% 17th pct · 61st of 73 in OK

Lower than 83% of seats.

Black residents5% 76th pct · 18th of 73 in OK

Higher than 76% of seats.

Asian residents1% 21st pct · 58th of 73 in OK

Lower than 79% of seats.

People per square mile17 10th pct · 66th of 73 in OK

Less dense than 90% 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 1
OklahomaR+69.6Held RDistrict 19
OklahomaR+68.9Held RDistrict 22
OklahomaR+66.8Held RDistrict 2
OklahomaR+61.7Held 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. David Smith (R)
    2023– · Won 2022 unopposed, 2026 unopposed

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