Oklahoma State Senate seat · lines in effect since 2022
Oklahoma Senate District 19
A district of about 80,000 people, 22% of adults with a bachelor's degree. It votes R+58.9 relative to the nation for president.
2020 election
Nov 3, 2020- Roland Pederson (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
14 races since 1968; the seat changed party 2 times. 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 | Roland Pederson (R) | — | Unopposed |
| 2016 | Roland Pederson (R) | Rhonda Harlow (D) | 49.0 |
| 2012 | Patrick Anderson (R) | — | Unopposed |
| Lines first used in 2002 | |||
| 2008 | Patrick Anderson (R) | — | Unopposed |
| 2004 | Patrick Anderson (R) | Jim States (D) | 35.5 |
| Lines first used in 1992 | |||
| 2000 | Robert Milacek (R) | Sean Voskuhl (D) | 21.7 |
| 1996 | Robert Milacek (R)Flip | Ed Long (D) | 6.4 |
| 1992 | Ed Long (D) | Jim McBlair (R) | 30.4 |
| Lines first used in 1982 | |||
| 1988 | Ed Long (D)Flip | Norman A. Lamb (R) | 22.7 |
| 1984 | Norman A. Lamb (R) | — | Unopposed |
| Lines first used in 1972 | |||
| 1980 | Norman A. Lamb (R) | David Butler (D) | 27.8 |
| 1976 | Norman A. Lamb (R) | — | Unopposed |
| 1972 | Norman A. Lamb (R) | H. W. Peters (D) | 22.3 |
| Lines first used in 1962 | |||
| 1968 | Richard E. Romang (R) | Eugene E. Darnell (D) | 27.4 |
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 19
The state's districts in other chambers that share residents with this one, and the share of District 19's area in each.
- U.S. House
- OK-3 100%
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+58.0 | R+57.6 |
| U.S. Senate | R+54.4 | 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 19.
Lower than 56% of seats.
Higher than 85% of seats.
Higher than 74% of seats.
Lower than 74% of seats.
Higher than 56% of seats.
Less dense than 88% 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 14OklahomaR+59.3Held RDistrict 13
23% college gradsR+56.9Not up in 2026District 43
24% college gradsR+63.5Not up in 2026District 10
21% college gradsR+53.7Held 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