San Diego, California: New American market. In 2024, voted D+17%. Democratic peak: D+45 in 1912.
Key facts
- 2024 presidential margin
- D+17MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 3,288,7742024 5-year
- Median household income
- $106,2682024 5-year
- White (non-Hispanic)
- 48.4%2024 5-year
- Black
- 4.7%2024 5-year
- Hispanic / Latino
- 34.6%2024 5-year
- Peak Democratic margin
- D+45 in 1912MIT Election Lab
- Peak Republican margin
- R+43 in 1924MIT Election Lab
| Kamala Harris ✓Democratic | 56.9% | 841,372 |
|---|---|---|
| Donald TrumpRepublican | 40.1% | 593,270 |
| OtherAll other candidates | 2.9% | 43,386 |
| Year | Margin (D minus R) |
|---|---|
| 1876 | −8.6% |
| 1880 | −15.1% |
| 1884 | −16.3% |
| 1888 | −18.0% |
| 1892 | −15.4% |
| 1896 | +3.6% |
| 1900 | −16.2% |
| 1904 | −40.2% |
| 1908 | −32.1% |
| 1912 | +44.8% |
| 1916 | −0.4% |
| 1920 | −36.5% |
| 1924 | −42.6% |
| 1928 | −35.2% |
| 1932 | +12.1% |
| 1936 | +28.4% |
| 1940 | +12.3% |
| 1944 | +8.5% |
| 1948 | −1.6% |
| 1952 | −26.3% |
| 1956 | −29.3% |
| 1960 | −13.1% |
| 1964 | −0.6% |
| 1968 | −20.2% |
| 1972 | −27.5% |
| 1976 | −14.1% |
| 1980 | −33.5% |
| 1984 | −31.9% |
| 1988 | −21.8% |
| 1992 | +1.5% |
| 1996 | −1.5% |
| 2000 | −4.0% |
| 2004 | −6.1% |
| 2008 | +10.2% |
| 2012 | +7.6% |
| 2016 | +19.6% |
| 2020 | +22.8% |
| 2024 | +16.8% |
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 841,372 | 593,270 | 1,478,028 | ||
| D | 964,650 | 600,094 | 1,602,143 | ||
| D | 735,476 | 477,766 | 1,311,618 | ||
| D | 626,957 | 536,726 | 1,193,949 | ||
| D | 666,581 | 541,032 | 1,235,503 | ||
| R | 526,437 | 596,033 | 1,136,351 | ||
| R | 437,666 | 475,736 | 958,634 | ||
| R | 389,964 | 402,876 | 884,151 | ||
| D | 367,397 | 352,125 | 986,646 | ||
| R | 333,264 | 523,143 | 869,195 | ||
| R | 257,029 | 502,344 | 769,267 | ||
| R | 195,410 | 435,910 | 716,866 | ||
| R | 263,654 | 353,302 | 633,795 | ||
| R | 206,455 | 371,627 | 601,137 | ||
| R | 167,669 | 261,540 | 464,863 | ||
| R | 211,808 | 214,445 | 426,286 | ||
| R | 171,259 | 223,056 | 395,421 | ||
| R | 106,716 | 195,742 | 303,605 | ||
| R | 101,880 | 175,281 | 278,751 | ||
| R | 98,217 | 101,552 | 205,459 | ||
| D | 89,959 | 75,746 | 166,764 | ||
| D | 71,188 | 55,434 | 128,110 | ||
| D | 64,628 | 35,686 | 101,854 | ||
| D | 45,622 | 35,305 | 85,150 | ||
| R | 22,749 | 47,769 | 71,151 | ||
| R | 2,944 | 22,726 | 46,391 | ||
| R | 8,478 | 19,826 | 31,087 | ||
| R | 16,815 | 16,978 | 36,537 | ||
| O | 9,731 | 0 | 21,728 | ||
| R | 2,393 | 5,412 | 9,403 | ||
| R | 1,398 | 4,303 | 7,230 | ||
| R | 2,678 | 3,800 | 6,921 | ||
| D | 3,908 | 3,631 | 7,748 | ||
| R | 2,334 | 3,525 | 7,712 | ||
| R | 3,189 | 4,661 | 8,194 | ||
| R | 800 | 1,120 | 1,965 | ||
| R | 546 | 743 | 1,308 | ||
| R | 668 | 794 | 1,462 |
Demographics
San Diego's media market spans a dense military and tech workforce alongside fast-growing inland suburbs, producing competitive margins in federal and statewide races even as registration trends Democratic by roughly 10 points.
Across the recorded series it reached a Democratic high of forty-five points in 1912 and a Republican high of forty-three points in 1924. Between 2020 and 2024 the market moved six points toward the Republican candidate; the 2024 margin was seventeen points.
A population of 3,288,774, a 48% non-Hispanic-white share, and a median household income of $106,268 describe the market.
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 →
San Diego, California. Akashic. https://akashic.app/dma/825/. Accessed May 20, 2026. License: CC BY 4.0.