2018 Oklahoma U.S. House District 2 Election

Oklahoma · 4 candidates · See every 2018 U.S. House race

Who won the 2018 Oklahoma U.S. House District 2 Election?

Markwayne Mullin won the 2018 Oklahoma U.S. House District 2 Election. Markwayne Mullin received 140,451 popular votes (65.02%). The main challenger was Jason Nichols (30.1%).

See the full head-to-head between Mullin and Nichols

Mullin +34.9 pts · won by 75,430 votes

Markwayne Mullin RepublicanWINNER65.02%

140,451 votes

Jason Nichols Democratic30.1%

65,021 votes

John ForemanIndependent2.96%

6,390 votes

Richard CastaldoLibertarian1.92%

4,140 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.