U.S. Senate elections in Oklahoma

One of Oklahoma's two U.S. Senate seats is held by Republican James Lankford; Lankford won the most recent race by 32.2 points in 2022. Lankford has held that seat since 2014. The 2022 race put Lankford ahead of Madison Horn, 32.2 points clear. Across 41 elections since 1914, Republicans have won 22 and Democrats 19. Of those, the closest was 1974, decided by 0.48 points; the widest 1990, by 66.4 points.