Presidential Election Results 1988–2024
| Year | D % | R % | Winner | Margin | Context |
|---|---|---|---|---|---|
| 1988 | 41.3% | 57.9% | Bush | R +16.6 | Oil bust hurts state; Dukakis underperforms nationally |
| 1992 | 34.0% | 42.7% | Bush | R +8.7 | Perot 23.0% strongest in OK; margin narrows but R holds |
| 1996 | 40.4% | 48.3% | Dole | R +7.9 | OKC bombing 1995 unites state; Clinton closest to competitive since '64 |
| 2000 | 38.4% | 60.3% | Bush | R +21.9 | Realignment snaps; post-Clinton margin jumps 14 points |
| 2004 | 34.4% | 65.6% | Bush | R +31.2 | Gay marriage amendment on ballot drives evangelical turnout; R+31 |
| 2008 | 34.4% | 65.6% | McCain | R +31.2 | Oklahoma gives Obama ZERO counties; only state to do so in 2008 |
| 2012 | 33.2% | 66.8% | Romney | R +33.6 | D% declines again; Obama shut out of all 77 counties |
| 2016 | 28.9% | 65.3% | Trump | R +36.4 | Trump wins all 77 counties; Clinton worst D performance in decades |
| 2020 | 32.3% | 65.4% | Trump | R +33.1 | Trump wins all 77 counties again; Biden improves slightly on Clinton |
| 2024 | 32.6% | 65.6% | Trump | R +33.0 | Oklahoma stable at R+33; among nation's top 5 most Republican |
State Voting Trend Analysis
Oklahoma's journey to one of America's most Republican states began with the collapse of the New Deal coalition in the 1970s and accelerated through every subsequent decade. The state's Scots-Irish and German Protestant working class — the backbone of the Democratic machine that sent senators like Robert Kerr and Mike Monroney to Washington — completed its transition to Republicans during the Reagan era and never looked back.
The 1992 and 1996 elections were the last competitive cycles at the statewide level, when Ross Perot's third-party candidacy split the Republican vote and Bill Clinton's Southern white appeal briefly made the results closer. But the underlying trend was always Republican: the 2000 result revealed that Clinton had been masking a 22-point structural Republican advantage. Oklahoma has voted Republican at 60%+ in every presidential election since 2000.
The most remarkable data point is 2008 and 2016: Oklahoma was the only state where Barack Obama failed to win a single county in 2008, and Donald Trump won all 77 counties in both 2016 and 2020. These results reflect not just partisan alignment but cultural and social distance between Oklahoma's rural white evangelical communities and national Democratic Party priorities. The state's oil and gas economy — directly threatened by Democratic climate polling — reinforces economic motives alongside cultural ones.