Arizona 1st Congressional District: 2020 election
District Lines
The district lines on file took effect in 2022. The 2020 election used the lines before them, which are not on file yet; the map below draws today's lines.
209 precincts · District lines: Congressional lines: U.S. Census Bureau (1:500,000 cartographic boundary, 119th Congress) · Precinct lines: Maricopa County Elections Department, Voting Precincts (2022-2025); Pima County GIS, Voter Precincts — official county layers; Census 2020 VTDs kept in the other 13 counties; U.S. Census Bureau 2020 TIGER/Line VTDs where no official layer
2020 Results in This District
| Contest | First | Second | Margin | Votes | Source |
|---|---|---|---|---|---|
| 2020 President183 precinctsArizona Secretary of State — results detail (precinct level)Official results | Joseph Biden (D)242,477 · 50.5% | Donald J. Trump (R)231,591 · 48.2% | D+2.3 | 480,291 | Arizona Secretary of State — results detail (precinct level)Official results |
| 2020 U.S. Senate183 precinctsArizona Secretary of State — results detail (precinct level)Official results | Mark Kelly (D)243,739 · 51.1% | Martha McSally (R)232,910 · 48.9% | D+2.3 | 476,649 | Arizona Secretary of State — results detail (precinct level)Official results |
Totals add up the certified precinct results for the precincts inside today's district lines. A precinct split by the district line counts in full, or only in the district holding most of its voters where the linkage assigns it to one, and votes a county reported only countywide (some counties' absentee and early votes) are left out, so totals can differ from an official canvass.
2020 Results
U.S. House District 1
2020 Arizona General Election · Nov 3, 2020| Candidate | Party | Votes | Share |
|---|---|---|---|
| Tom O'HalleranDemocrat | Democrat | 188,469 | 51.6% |
| Tiffany SheddRepublican | Republican | 176,709 | 48.4% |
Official results (Arizona Secretary of State precinct detail file, after county canvasses; state canvass 2020-11-30) · Arizona Secretary of State — results detail
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