Elections / 2020 · Senate · AZ
Arizona — 2020 U.S. Senate election
Recent presidential results
state2020 Senate electionArizona · U.S. SenateKellyD+2.3
How it voted
Share of the 2020 vote
| Mark Kelly ✓Democrat | 51.2% | 1,716,467 |
|---|---|---|
| Martha McSallyRepublican | 48.8% | 1,637,661 |
| Matthew "Doc" DorchesterLibertarian | 0.0% | 379 |
2020Senate margin
D+60R+60
15 counties, each filled by 2020 D-vs-R margin. Hover any county for its result.
County-level results (15 counties) — table
| County | Winner | Margin |
|---|---|---|
| APACHE, AZ | Democratic | D+37.0 |
| COCHISE, AZ | Republican | R+17.3 |
| COCONINO, AZ | Democratic | D+25.1 |
| GILA, AZ | Republican | R+29.9 |
| GRAHAM, AZ | Republican | R+39.1 |
| GREENLEE, AZ | Republican | R+22.7 |
| LA PAZ, AZ | Republican | R+32.0 |
| MARICOPA, AZ | Democratic | D+3.9 |
| MOHAVE, AZ | Republican | R+46.7 |
| NAVAJO, AZ | Republican | R+5.0 |
| PIMA, AZ | Democratic | D+19.7 |
| PINAL, AZ | Republican | R+13.6 |
| SANTA CRUZ, AZ | Democratic | D+41.3 |
| YAVAPAI, AZ | Republican | R+27.0 |
| YUMA, AZ | Republican | R+1.7 |
presidential baselinePresident 2020D+0.3Senate 2020D+2.3vs. baselineD+2.0
Arizona's 2020 Senate race ran 2.0 points more Democratic than the presidential race on the same ballot.
Arizona's Senate margins
Every contest in our store, 1976–2024
| Year | Margin (D minus R) |
|---|---|
| 1976 | +10.7% |
| 1980 | −1.1% |
| 1982 | +16.6% |
| 1986 | −21.0% |
| 1988 | +15.7% |
| 1992 | −24.2% |
| 1994 | −14.2% |
| 1998 | −41.6% |
| 2000 | −79.3% |
| 2004 | −56.1% |
| 2006 | −9.8% |
| 2010 | −24.3% |
| 2012 | −3.0% |
| 2016 | −13.0% |
| 2018 | +2.3% |
| 2020 | +2.3% |
| 2022 | +4.9% |
| 2024 | +2.4% |
Same ballot, 2020AZ
Source. MIT Election Data + Science Lab — 2020 US Senate returns, party-classified by literal ballot party · county returns aggregated from precinct-level results. Real returns — nothing estimated.