California 13th Congressional District, California: Bellwether district. In 2024, voted R+7%. Democratic peak: D+47 in 1936.
Key facts
- 2024 presidential margin
- R+7MIT Election Lab
- Political archetype
- BellwetherAkashic typology
- Population
- 1,221,5822024 5-year
- Median household income
- $75,9652024 5-year
- White (non-Hispanic)
- 36.1%2024 5-year
- Black
- 3.8%2024 5-year
- Hispanic / Latino
- 54.5%2024 5-year
- Peak Democratic margin
- D+47 in 1936MIT Election Lab
- Peak Republican margin
- R+38 in 1924MIT Election Lab
Predecessors: DUARTE, John (2023–2025), LEE, Barbara (2021–2023), LEE, Barbara (2019–2021), LEE, Barbara (2017–2019)
Source · Voteview / Lewis, Poole, Rosenthal et al. (CC-BY).
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 180,911 | 206,955 | 399,464 | ||
| D | 225,435 | 197,972 | 434,189 | ||
| D | 169,360 | 148,289 | 343,855 | ||
| D | 156,092 | 143,902 | 308,033 | ||
| D | 162,431 | 151,245 | 320,632 | ||
| R | 120,542 | 166,428 | 289,911 | ||
| R | 112,182 | 134,304 | 255,713 | ||
| R | 107,324 | 108,849 | 236,107 | ||
| D | 103,346 | 96,730 | 250,622 | ||
| R | 98,704 | 108,176 | 209,420 | ||
| R | 87,037 | 119,287 | 208,430 | ||
| R | 72,270 | 90,977 | 179,370 | ||
| D | 81,018 | 75,086 | 159,951 | ||
| R | 74,299 | 86,641 | 166,493 | ||
| D | 69,286 | 63,783 | 144,920 | ||
| D | 94,919 | 48,759 | 143,822 | ||
| D | 73,365 | 63,748 | 137,776 | ||
| D | 66,520 | 57,636 | 124,476 | ||
| R | 54,972 | 60,176 | 116,150 | ||
| D | 47,152 | 37,091 | 87,516 | ||
| D | 41,333 | 29,202 | 71,074 | ||
| D | 47,080 | 28,156 | 76,141 | ||
| D | 42,588 | 15,147 | 58,581 | ||
| D | 32,879 | 14,645 | 49,885 | ||
| R | 15,413 | 23,091 | 39,010 | ||
| R | 3,957 | 16,870 | 34,419 | ||
| R | 8,835 | 16,249 | 27,554 | ||
| D | 14,341 | 11,371 | 28,603 | ||
| O | 9,242 | 0 | 20,628 | ||
| R | 4,659 | 5,723 | 11,743 | ||
| R | 3,270 | 4,891 | 9,011 | ||
| D | 4,048 | 3,737 | 8,108 | ||
| D | 4,344 | 3,090 | 7,619 | ||
| D | 3,764 | 1,813 | 8,079 | ||
| D | 3,390 | 2,804 | 6,443 | ||
| D | 2,957 | 2,424 | 5,515 | ||
| D | 2,266 | 1,616 | 3,891 | ||
| D | 2,136 | 1,518 | 3,654 |
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
California's 13th covers the urban East Bay core around Oakland, where the 2024 presidential result landed at D+73 — a margin that places it among the most Democratic-leaning districts in the country by raw vote spread.
The Democratic margin in California 13th Congressional District has rarely exceeded forty-seven points in modern history; the Republican margin has rarely exceeded thirty-eight points. 2024 delivered the district to the Republican candidate by seven points.
Its demographics resemble the country more than they resemble most districts. A 36% non-Hispanic-white share, a 17% poverty rate, and a median household income of $75,965 — all within the broad national range.
Compare two places, side by side
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Congressional District 13, California. Akashic. https://akashic.app/cd/0613/. Accessed May 20, 2026. License: CC BY 4.0.