Oklahoma State Senate seat · lines in effect since 2022
Oklahoma Senate District 13
A district of about 88,000 people, 23% of adults with a bachelor's degree. It votes R+56.9 relative to the nation for president.
2020 election
Nov 3, 2020- Greg McCortney (R) · won · incumbent
Unopposed.
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 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
15 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 | Greg McCortney (R) | — | Unopposed |
| 2016 | Greg McCortney (R)Flip | Eric Hall (D) | 28.5 |
| 2012 | Susan Paddack (D) | Fred E. Smith (R) | 51.7 |
| Lines first used in 2002 | |||
| 2008 | Susan Paddack (D) | — | Unopposed |
| 2004 | Susan Paddack (D) | Karroll G. Rhoads (R) | 25.4 |
| Lines first used in 1992 | |||
| 2000 | Dick Wilkerson (D) | Walter Wally Padgett (R) | 49.9 |
| 1996 | Dick Wilkerson (D) | Barbara Young (R) | 30.6 |
| 1992 | Dick Wilkerson (D) | — | Unopposed |
| Lines first used in 1982 | |||
| 1988 | Dick Wilkerson (D) | — | Unopposed |
| 1984 | Billie Floyd (D) | Roger W. Thorpe (R) | 31.1 |
| Lines first used in 1972 | |||
| 1980 | James McDaniel (D) | Jim Wright (R) | 37.0 |
| 1976 | James McDaniel (D) | — | Unopposed |
| 1974 special | Wes Watkins (D) | Mary Hazlewood (R) | 59.7 |
| 1972 | George A. Miller (D) | — | Unopposed |
| Lines first used in 1962 | |||
| 1968 | George A. Miller (D) | — | Unopposed |
Primaries: 1988 Democratic primary runoff · 1988 Democratic primary · 1984 Democratic primary runoff · 1984 Democratic primary · 1980 Democratic primary · 1976 Democratic primary runoff · 1976 Democratic primary · 1974 Democratic primary · 1972 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 13
The state's districts in other chambers that share residents with this one, and the share of District 13'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+54.1 | R+56.4 |
| U.S. Senate | R+50.1 | 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 13.
Higher than 53% of seats.
Higher than 53% of seats.
Lower than 59% of seats.
Lower than 65% of seats.
Lower than 76% of seats.
Less dense than 68% 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 622% college gradsR+63.6Held RDistrict 10
21% college gradsR+53.7Held RDistrict 14
OklahomaR+59.3Held RDistrict 3
24% college gradsR+56.1Not up in 2026
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