Oklahoma State Senate seat · lines in effect since 2022

Oklahoma Senate District 15

A district of about 80,000 people, 38% of adults with a bachelor's degree. It votes R+22.5 relative to the nation for president.

Where it sits among all 35 seats

Every Oklahoma State Senate 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+22.55th most
Democratic
Most DemocraticMost Republican18th seat · the majority lineDistrict 15

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+19.9

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 35 seats. Small marks are other seats in Oklahoma. The black marker is District 15.

Adults with a bachelor's degree38% 94th pct · 3rd of 35 in OK

Higher than 94% of seats.

White adults without a degree49% 29th pct · 25th of 35 in OK

Lower than 71% of seats.

Hispanic residents9% 50th pct · 18th of 35 in OK

Higher than 50% of seats.

Black residents3% 44th pct · 20th of 35 in OK

Lower than 56% of seats.

Asian residents3% 76th pct · 9th of 35 in OK

Higher than 76% of seats.

People per square mile231 74th pct · 10th of 35 in OK

Denser than 74% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET