U.S. House seat for Arizona's 3rd congressional district. Representatives serve two-year terms.

6 candidates filed, 4 active for the 2026 House election in Arizona District 3. Party primary on Jul 21, 2026. General election on Nov 3, 2026.
| Year | Winner | Result | Runner-Up | Total Votes |
|---|---|---|---|---|
| 2024 | Yassamin Ansari D | 70.9% | 202,049 | |
| 2022 | Ruben Gallego D | 77.0% | 141,074 | |
| 2020 | Raul M Grijalva D | 64.6% | 269,837 | |
| 2018 | Raul Grijalva D | 63.9% | 179,518 | |
| 2016 | Raul M Grijalva D | 100.0% | 148,973 | |
| 2014 | Raul M Grijalva D | 55.8% | 104,377 | |
| 2012 | Raul M Grijalva D | 58.4% | 168,698 | |
| 2010 | Ben Quayle R | 52.2% | 208,071 | |
| 2008 | John B Shadegg R | 54.1% | 275,161 | |
| 2006 | John B Shadegg R | 59.3% | 189,849 | |
| 2004 | John B Shadegg R | 80.1% | 225,974 | |
| 2002 | John B Shadegg R | 67.3% | 155,751 | |
| 2000 | Bob Stump R | 65.7% | 301,970 | |
| 1998 | Bob Stump R | 67.3% | 204,597 | |
| 1996 | Bob Stump R | 66.5% | 263,445 |