2018 Oklahoma U.S. House District 4 Election

Oklahoma · 3 candidates · See every 2018 U.S. House race

Who won the 2018 Oklahoma U.S. House District 4 Election?

Tom Cole won the 2018 Oklahoma U.S. House District 4 Election. Tom Cole received 149,227 popular votes (63.06%). The main challenger was Mary Brannon (33%).

See the full head-to-head between Cole and Brannon

Cole +30.1 pts · won by 71,139 votes

Tom Cole RepublicanWINNER63.06%

149,227 votes

Mary Brannon Democratic33%

78,088 votes

Ruby PetersIndependent3.94%

9,323 votes

Popular-vote totals for U.S. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.