A head to head comparison of the Arizona 2016 General Election gives us an idea of the break down of the voters.
John McCain received 1.4M (53.7 %) votes, beating Ann Kirkpatrick who gained 1M (40.8 %) by 328k votes in Arizona.
Ann Kirkpatrick won 4 counties out of the 15 counties that make up Arizona. The record shows that John McCain won 11 counties.
During the 2016 general elections, over 3M total number of votes were cast. Ann Kirkpatrick got 1,031,245 (1M) over Gary Swing 138,634 (139k). He won the popular vote by 1,031,245 (1M). His victory in the State of Arizona (with 1,031,245 votes) represents 50.0% of his popular vote victory.
Top 15 Counties in General Elections
All Candidates (Senate General Elections)
These 15 counties play an important role in these Primary elections. If a candidate, can get a sizable majority in the largest counties (Maricopa, Pima and Pinal), it becomes very difficult to win majorities in the smaller counties without voter outreach and increased voter participation in them.
Top 15 Counties Comparison in General Elections
Maricopa, Pima and Pinal, three of the larger counties voted in favor of John McCain, giving him a 253k vote advantage.