Oklahoma State Senate seat · lines in effect since 2022
Oklahoma Senate District 45
A district of about 79,000 people, 20% Hispanic, 28% of adults with a bachelor's degree. It votes R+31.8 relative to the nation for president.
2020 election
Nov 3, 2020- Paul Rosino (R) · won67.2%
- Jennifer Wilkinson (D)32.8%
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 10:09 AM ET
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.
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 election for this seat
14 races since 1968; the seat changed party 1 time. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2012 | |||
| 2020 | Paul Rosino (R) | Jennifer Wilkinson (D) | 34.5 |
| 2016 | Kyle D. Loveless (R) | — | Unopposed |
| 2012 | Kyle D. Loveless (R) | — | Unopposed |
| Lines first used in 2002 | |||
| 2008 | Steve Russell (R) | — | Unopposed |
| 2004 | Kathleen Wilcoxson (R) | — | Unopposed |
| Lines first used in 1992 | |||
| 2000 | Kathleen Wilcoxson (R) | Kent Falkenrath (D) | 44.1 |
| 1996 | Kathleen Wilcoxson (R) | Karl Rysted (D) | 38.5 |
| 1992 | Helen Cole (R) | Donald N. Leonard (D) | 33.3 |
| Lines first used in 1982 | |||
| 1988 | Tom Cole (R) | Marolyn Pryor (D) | 1.1 |
| 1984 | Helen Cole (R) | Stan Hammons (D) | 12.9 |
| Lines first used in 1972 | |||
| 1980 | Ed Moore (R)Flip | Jerry Steward (D) | 12.2 |
| 1976 | Jimmy Birdsong (D) | — | Unopposed |
| 1972 | Jimmy Birdsong (D) | — | Unopposed |
| Lines first used in 1962 | |||
| 1968 | Jimmy Birdsong (D) | — | Unopposed |
Primaries: 1988 Republican primary · 1988 Democratic primary · 1976 Democratic primary
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 45
The state's districts in other chambers that share residents with this one, and the share of District 45's area in each.
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 | 2024 | |
|---|---|---|
| President | R+31.7 | R+32.7 |
| U.S. Senate | R+29.6 | No race |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 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 45.
Higher than 74% of seats.
Lower than 79% of seats.
Higher than 88% of seats.
Higher than 79% of seats.
Higher than 97% of seats.
Denser than 82% 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 3621% Hispanic · 31% college gradsR+38.6Held RDistrict 24
31% college gradsR+27.2Held RDistrict 18
33% college gradsR+34.5Held RDistrict 32
25% college gradsR+21.9Held 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