2018 United States House of Representatives elections in Oklahoma

2018 United States House of Representatives elections in Oklahoma

← 2016 November 6, 2018 (2018-11-06) 2020 →
All 5 Oklahoma seats to the United States House of Representatives
Majority party Minority party   Party Republican Democratic Last election 5 0 Seats won 4 1 Seat change 1 1 Popular vote 730,531 428,452 Percentage 61.97% 36.35% Swing 7.01% 9.42%
Election results by district Election results by county Republican   40–50%   50–60%   60–70%   70–80%   80–90%   >90% Democratic   50–60%

The 2018 United States House of Representatives elections in Oklahoma were held on November 6, 2018, to elect the five U.S. representatives from the state of Oklahoma, one from each of the state's five congressional districts. The elections coincided with other elections to the House of Representatives, elections to the United States Senate and various state and local elections. Primary elections were held on June 26 and runoff elections were held two months later on August 28.^[1] The state's U.S. House delegation Republican majority changed from 5–0 to 4–1. As of 2023 this is the only time since 2010 that Democrats won any house race in Oklahoma.