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2018 Arizona U.S. House District 1 Election
Arizona · 2 candidates
O'Halleran +7.7 pts · won by 20,456 votes
Tom O'HalleranDemocraticWINNER53.83%
143,240 votes
Wendy RogersRepublican46.14%
122,784 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).