Data as of November 4, 2026 · refreshed automatically from the official California voter file
Los Angeles County, CA has 5,904,837 active registered voters — 18.5% Republican, 51.0% Democratic, and 23.6% with no party affiliation, as of November 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 6220056.A | 422 | 337 | 79.86% |
| 2 | 6220301.B | 588 | 409 | 69.56% |
| 3 | 9002689.D | 450 | 295 | 65.56% |
| 4 | 3850449.A | 420 | 258 | 61.43% |
| 5 | 9002899.A | 497 | 305 | 61.37% |
| 6 | 6220076.D | 655 | 387 | 59.08% |
| 7 | 1600042.A | 424 | 243 | 57.31% |
| 8 | 9006344.A | 544 | 311 | 57.17% |
| 9 | 9000042.B | 591 | 337 | 57.02% |
| 10 | 2950011.A | 742 | 423 | 57.01% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How Los Angeles County voted for president
Election results are public records.
Los Angeles County at a glance.
Los Angeles County had an estimated 9,757,179 residents in July 2024, the most populous of California's 58 counties, down 2.6% since the 2020 census. Of those, 7,812,233 are 18 or older, the voting-age population, and 16.1% are 65 or older. Its 5,904,837 active registered voters equal about 75.6% of that voting-age population.
It covers 4,060 square miles of land (2,403 people per square mile), and 9.9% of residents live outside any incorporated city or town. The largest cities and towns are Los Angeles (3,878,704), Long Beach (450,901), Santa Clarita (229,159), Glendale (187,823) and Lancaster (167,426). The American Community Survey (2020-2024) puts it at a median age of 38.2, a median household income of $90,112, 36.0% of adults 25 and older holding a bachelor's degree or higher and 45.9% of occupied homes owned by the people living in them.
In 2024, 3,728,427 votes were cast for president, about 47.7% of the voting-age population; the Democratic ticket took 64.8% and the Republican ticket 31.9%. The two-party margin moved from D+40.4 in 2008 to D+32.9 in 2024.
- Population (2024 estimate)
- 9,757,179
- Population (2020 census base)
- 10,017,401
- Voting-age population (18+)
- 7,812,233
- Active voters per 100 adults
- 75.6
- Residents 65 and older
- 16.1%
- People per square mile
- 2,403
- Living outside incorporated places
- 9.9%
- Land area
- 4,060 sq mi
- Median age
- 38.2
- Median household income
- $90,112
- Adults 25+ with a bachelor's degree
- 36.0%
- Owner-occupied homes
- 45.9%
Largest cities and towns
- Los Angeles 3,878,704
- Long Beach 450,901
- Santa Clarita 229,159
- Glendale 187,823
- Lancaster 167,426
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 64.8% | 31.9% | D+32.9 | 3,728,427 |
| 2020 | 71.0% | 26.9% | D+44.1 | 4,263,443 |
| 2016 | 71.4% | 23.4% | D+48.0 | 2,652,072 |
| 2012 | 68.9% | 28.8% | D+40.1 | 2,427,869 |
| 2008 | 69.2% | 28.8% | D+40.4 | 3,318,248 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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