California 20th Congressional District: New American district. In 2024, voted R+30%. Republican peak: R+34 in 2012.
Key facts
- 2024 presidential margin
- R+30MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 1,088,2392024 5-year
- Median household income
- $71,0462024 5-year
- White (non-Hispanic)
- 40.6%2024 5-year
- Black
- 4.0%2024 5-year
- Hispanic / Latino
- 59.4%2024 5-year
- Peak Republican margin
- R+34 in 2012MIT Election Lab
Predecessors: MCCARTHY, Kevin (2023–2025), PANETTA, James Varni (2021–2023), PANETTA, James Varni (2019–2021), PANETTA, James Varni (2017–2019)
| Donald Trump ✓Republican | 64.0% | 210,038 |
|---|---|---|
| Kamala HarrisDemocratic | 33.7% | 110,570 |
| OtherAll other candidates | 2.3% | 7,685 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −30.4% |
| 2012 | −33.9% |
| 2016 | −30.8% |
| 2020 | −24.9% |
| 2024 | −30.3% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 110,570 | 210,038 | 328,293 | ||
| R | 127,248 | 214,176 | 349,281 | ||
| R | 86,211 | 169,627 | 270,885 | ||
| R | 81,482 | 165,240 | 246,722 | ||
| R | 87,734 | 164,955 | 254,202 |
U.S. Senate
| Year | Won | D % | R % | Total |
|---|---|---|---|---|
| 2024 | D | 58.9% | 41.1% | 15,348,846 |
| 2022 | D | 61.1% | 38.9% | 10,843,650 |
| 2018 | D | 100.0% | 0.0% | 11,113,364 |
| 2016 | D | 100.0% | 0.0% | 12,244,170 |
| 2012 | D | 62.5% | 37.5% | 12,578,511 |
| 2010 | D | 52.2% | 42.2% | 10,000,160 |
| 2006 | D | 59.4% | 35.0% | 8,541,476 |
| 2004 | D | 57.7% | 37.8% | 12,053,295 |
| 2000 | D | 55.8% | 36.6% | 10,623,608 |
| 1998 | D | 53.1% | 43.0% | 8,311,905 |
| 1994 | D | 46.7% | 44.8% | 8,514,089 |
| 1992 | D | 47.9% | 43.0% | 10,799,703 |
| 1988 | R | 44.0% | 52.8% | 9,743,598 |
| 1986 | D | 49.3% | 47.9% | 7,398,462 |
| 1982 | R | 44.8% | 51.5% | 7,805,450 |
| 1980 | D | 56.5% | 37.1% | 8,324,012 |
| 1976 | R | 46.9% | 50.2% | 7,470,586 |
Demographics
Anchored in the Los Angeles area, CA-20 posted a 37.8-point Democratic presidential margin in 2024, placing it among the most lopsided congressional districts in the state and reflecting a heavily urban, majority-minority electorate.
Across the recorded series it reached a Republican high of thirty-four points in 2012. Between 2020 and 2024 the district moved five points toward the Republican candidate; the 2024 margin was thirty points.
A population of 1,088,239, a 41% non-Hispanic-white share, and a median household income of $71,046 describe the district.
Compare two places, side by side
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Congressional District 20, California. Akashic. https://akashic.app/cd/0620/. Accessed May 20, 2026. License: CC BY 4.0.