Oregon 3rd Congressional District
Akashic| Year | Margin (D minus R) |
|---|---|
| 2008 | +45.8% |
| 2012 | +46.2% |
| 2016 | +43.3% |
| 2020 | +47.0% |
| 2024 | +45.6% |
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 | 3 | D | 67.7%226,405 | 25.2%84,344 | 334,369 |
| 2022 | 3 | D | 69.9%212,119 | 26.3%79,766 | 303,334 |
| 2020 | 3 | D | 73.0%343,574 | 23.5%110,570 | 470,506 |
| 2018 | 3 | D | 72.6%279,019 | 19.8%76,187 | 384,326 |
| 2016 | 3 | D | 71.8%274,687 | 0.0%0 | 382,355 |
| 2014 | 3 | D | 72.3%211,748 | 19.6%57,424 | 292,757 |
| 2012 | 3 | D | 74.5%264,979 | 19.8%70,325 | 355,875 |
| 2010 | 3 | D | 70.0%193,104 | 24.6%67,714 | 275,802 |
| 2008 | 3 | D | 74.5%254,235 | 20.8%71,063 | 341,062 |
| 2006 | 3 | D | 73.5%186,380 | 23.5%59,529 | 253,610 |
| 2004 | 3 | D | 70.9%245,559 | 23.7%82,045 | 346,560 |
| 2002 | 3 | D | 66.8%156,851 | 26.7%62,821 | 234,977 |
| 2000 | 3 | D | 66.8%181,049 | 23.6%64,128 | 271,161 |
| 1998 | 3 | D | 83.9%153,889 | 0.0%0 | 183,351 |
| 1996 | 3 | D | 66.9%165,922 | 26.3%65,259 | 247,909 |
| 1994 | 3 | D | 72.5%161,624 | 19.4%43,211 | 222,822 |
| 1992 | 3 | D | 77.1%208,028 | 18.6%50,235 | 269,879 |
| 1990 | 3 | D | 80.8%169,731 | 19.1%40,216 | 210,193 |
| 1988 | 3 | D | 99.4%190,684 | 0.0%0 | 191,825 |
| 1986 | 3 | D | 85.9%180,067 | 14.0%29,321 | 209,581 |
| 1984 | 3 | D | 72.3%173,438 | 27.7%66,394 | 239,897 |
| 1982 | 3 | D | 78.3%159,416 | 21.7%44,162 | 203,662 |
| 1980 | 3 | D | 71.9%156,371 | 28.0%60,940 | 217,423 |
| 1978 | 3 | D | 84.6%151,895 | 0.0%0 | 179,460 |
| 1976 | 3 | D | 83.9%148,503 | 0.0%0 | 177,051 |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | D | 55.8%1,076,424 | 40.9%788,991 | 1,927,949 |
| 2020 | D | 57.0%1,321,047 | 39.4%912,814 | 2,318,847 |
| 2016 | D | 56.6%1,105,119 | 33.3%651,106 | 1,952,478 |
| 2014 | D | 55.7%814,537 | 36.9%538,847 | 1,461,618 |
| 2010 | D | 57.2%825,507 | 39.2%566,199 | 1,442,588 |
| 2008 | D | 48.9%864,392 | 45.6%805,159 | 1,767,504 |
| 2004 | D | 63.4%1,128,728 | 31.7%565,254 | 1,780,550 |
| 2002 | R | 39.6%501,898 | 56.2%712,287 | 1,267,221 |
| 1998 | D | 61.1%682,425 | 33.8%377,739 | 1,117,747 |
| 1996 | R | 45.9%624,370 | 49.8%677,336 | 1,360,230 |
| 1992 | R | 46.7%639,851 | 52.4%717,455 | 1,370,240 |
| 1990 | R | 46.2%507,743 | 53.7%590,095 | 1,099,255 |
| 1986 | R | 36.0%375,735 | 63.0%656,317 | 1,042,555 |
| 1984 | R | 33.4%406,122 | 66.5%808,152 | 1,214,735 |
| 1980 | R | 44.0%501,963 | 52.1%594,290 | 1,139,939 |
| 1978 | R | 38.3%341,616 | 61.7%550,165 | 891,781 |
Centered on Portland, Oregon's 3rd District recorded a 49-point Democratic presidential margin in 2024, reflecting a dense, highly educated urban electorate that has voted reliably left of center for decades.
Across the recorded series it reached a Democratic high of 47.0 points in 2020. Between 2020 and 2024 the district moved 1.4 points toward the Republican candidate; the 2024 margin was 45.6 points.
A population of 706,099, a 67% non-Hispanic-white share, and a median household income of $89,326 describe the district. The district's voting pattern over the last decade is most similar to that of Congressional District 1 and Congressional District 7.
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 →
Oregon 3rd Congressional District. Akashic. https://akashic.app/cd/4103/. Accessed May 20, 2026. License: CC BY 4.0.