Arizona 1st Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | −12.8% |
| 2012 | −17.3% |
| 2016 | −4.2% |
| 2020 | +1.4% |
| 2024 | −3.1% |
Federal officeholders only. State and local officeholders are planned for the next data pass.
U.S. House
Each result reflects the U.S. House district as it was drawn for that election; redistricting has redrawn these lines over time, so they can differ from the current 120th-Congress district shown on the map above.
| Year | District | Won | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | 1 | R | 48.1%208,966 | 51.9%225,538 | 434,504 |
| 2022 | 1 | R | 49.6%179,141 | 50.4%182,336 | 361,477 |
| 2020 | 1 | D | 51.6%188,469 | 48.4%176,709 | 365,178 |
| 2018 | 1 | D | 53.8%143,240 | 46.1%122,784 | 266,089 |
| 2016 | 1 | D | 50.7%142,219 | 43.4%121,745 | 280,710 |
| 2014 | 1 | D | 52.6%97,391 | 47.4%87,723 | 185,114 |
| 2012 | 1 | D | 48.8%122,774 | 45.1%113,594 | 251,595 |
| 2010 | 1 | R | 43.7%99,233 | 49.7%112,816 | 226,918 |
| 2008 | 1 | D | 55.9%155,791 | 39.4%109,924 | 278,787 |
| 2006 | 1 | R | 43.4%88,691 | 51.8%105,646 | 204,139 |
| 2004 | 1 | R | 36.2%91,776 | 58.5%148,315 | 253,351 |
| 2002 | 1 | R | 45.6%79,730 | 49.2%85,967 | 174,687 |
| 2000 | 1 | R | 42.4%97,455 | 53.6%123,289 | 229,971 |
| 1998 | 1 | R | 35.4%54,108 | 64.6%98,840 | 152,948 |
| 1996 | 1 | R | 39.8%89,738 | 60.2%135,634 | 225,372 |
| 1994 | 1 | R | 39.0%70,627 | 56.0%101,350 | 180,867 |
| 1992 | 1 | D | 51.3%130,715 | 44.6%113,613 | 254,789 |
| 1990 | 1 | R | 0.0%0 | 99.5%166,223 | 167,016 |
| 1988 | 1 | R | 27.9%71,388 | 72.1%184,639 | 256,027 |
| 1986 | 1 | R | 28.7%51,163 | 71.3%127,370 | 178,533 |
| 1984 | 1 | R | 21.9%45,609 | 78.1%162,418 | 208,027 |
| 1982 | 1 | R | 30.5%41,261 | 65.9%89,116 | 135,227 |
| 1980 | 1 | R | 21.4%40,045 | 73.3%136,961 | 186,833 |
| 1978 | 1 | R | 29.0%33,178 | 71.0%81,108 | 114,286 |
| 1976 | 1 | R | 40.7%68,404 | 57.3%96,397 | 168,119 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 50.1%1,676,335 | 47.7%1,595,761 | 3,347,964 |
| 2022 | D | 51.4%1,322,027 | 46.5%1,196,328 | 2,572,294 |
| 2020 | D | 51.2%1,716,634 | 48.8%1,638,060 | 3,355,307 |
| 2018 | D | 50.0%1,191,100 | 47.6%1,135,200 | 2,383,742 |
| 2016 | R | 40.8%1,031,245 | 53.8%1,359,761 | 2,529,768 |
| 2012 | R | 46.2%1,036,542 | 49.2%1,104,457 | 2,243,108 |
| 2010 | R | 34.8%592,011 | 59.1%1,005,615 | 1,702,326 |
| 2006 | R | 43.5%664,141 | 53.3%814,398 | 1,526,770 |
| 2004 | R | 20.6%404,507 | 76.7%1,505,372 | 1,961,677 |
| 2000 | R | 0.0%0 | 79.3%1,108,196 | 1,397,076 |
| 1998 | R | 27.2%275,224 | 68.8%696,577 | 1,013,093 |
| 1994 | R | 39.5%442,510 | 53.7%600,999 | 1,119,002 |
| 1992 | R | 31.6%436,321 | 55.8%771,395 | 1,382,025 |
| 1988 | D | 56.7%660,403 | 41.1%478,060 | 1,164,507 |
| 1986 | R | 39.5%340,965 | 60.5%521,850 | 862,815 |
| 1982 | D | 56.9%411,970 | 40.3%291,749 | 723,819 |
| 1980 | R | 48.4%422,972 | 49.5%432,371 | 874,225 |
| 1976 | D | 54.0%400,334 | 43.3%321,236 | 741,210 |
Arizona's 1st stretches across the state's northeastern quadrant, covering Navajo Nation lands and rural ranching counties. Its 2024 presidential margin of R+4.0 reflects a competitive mix of Native American, Latino, and rural white voters that has made it a perennial swing target.
Across the recorded series it reached a Democratic high of 1.4 points in 2020 and a Republican high of 17.3 points in 2012. Between 2020 and 2024 the district moved 4.6 points toward the Republican candidate; the 2024 margin was 3.1 points.
A population of 794,616, a 73% non-Hispanic-white share, and a median household income of $99,999 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 8 and Congressional District 6.
The congressional districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Arizona 1st Congressional District. Akashic. https://akashic.app/cd/0401/. Accessed May 20, 2026. License: CC BY 4.0.