| Election Name: | 2018 Arizona Attorney General election |
| Popular Vote2: | 1,120,726 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 2014 Arizona Attorney General election |
| Previous Year: | 2014 |
| Next Election: | 2022 Arizona Attorney General election |
| Next Year: | 2022 |
| Image1: | File:Mark Brnovich by Gage Skidmore.jpg |
| Nominee1: | Mark Brnovich |
| Party1: | Republican Party (United States) |
| Country: | Arizona |
| Percentage2: | 48.26% |
| Nominee2: | January Contreras |
| Party2: | Democratic Party (United States) |
| Popular Vote1: | 1,201,398 |
| Percentage1: | 51.73% |
| Map Size: | 210px |
| Attorney General | |
| Before Election: | Mark Brnovich |
| Before Party: | Republican Party (US) |
| After Election: | Mark Brnovich |
| After Party: | Republican Party (US) |
The 2018 Arizona Attorney General election took place on November 6, 2018, to elect the attorney general of Arizona. Incumbent Republican Mark Brnovich won re-election to a second term, defeating former Arizona Department of Health Services Director January Contreras[1] [2] Primaries took place on August 28, 2018.[3]
Brnovich won the Republican primary unopposed.[4]
January Contreras, former director of Arizona Department of Health Services and senior advisor to former U.S. Homeland Security Secretary Janet Napolitano, won the Democratic primary unopposed.[5] [6]
Michael Kielsky, former Chair of the Arizona Libertarian Party, won the Libertarian nomination as a write-in candidate.[7] [8]
One debate was hosted by Arizona PBS on October 10.[9]
| Poll source | Date(s) administered | Sample size | Margin of error | Mark Brnovich (R) | January Contreras (D) | Undecided | ||
|---|---|---|---|---|---|---|---|---|
| OH Predictive Insights | September 5–6, 2018 | 597 | ± 4.0% | 48% | 36% | 16% | ||
| Data Orbital | October 1–3, 2018 | 550 | ± 4.2% | 46% | 33% | 19% |
Brnovich won the general election by a 3.47% margin of victory.[10]
Despite losing the state, Contreras won 5 of the 9 congressional districts.[11]
| District | Brnovich | Contreras | Representative | ||
|---|---|---|---|---|---|
| 49.892% | 49.894% | Tom O'Halleran | |||
| 46% | 54% | Ann Kirkpatrick | |||
| 35% | 65% | Raúl Grijalva | |||
| 69% | 31% | Paul Gosar | |||
| 61% | 39% | Andy Biggs | |||
| 56% | 44% | David Schweikert | |||
| 26% | 74% | Ruben Gallego | |||
| 60% | 40% | Debbie Lesko | |||
| 42% | 58% | Greg Stanton | |||