2010 Arizona U.S. House District 4 Election

Arizona · 4 candidates · See every 2010 U.S. House race

Who won the 2010 Arizona U.S. House District 4 Election?

Ed Pastor won the 2010 Arizona U.S. House District 4 Election. Ed Pastor received 61,524 popular votes (66.94%). The main challenger was Janet Contreras (27.53%).

See the full head-to-head between Pastor and Contreras

Pastor +39.4 pts · won by 36,224 votes

Ed Pastor DemocraticWINNER66.94%

61,524 votes

Janet Contreras Republican27.53%

25,300 votes

Joe CobbLibertarian2.96%

2,718 votes

Rebecca DeWittGreen2.57%

2,365 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.