Data as of October 18, 2026 · refreshed automatically from the official California voter file
El Dorado County, CA has 137,633 active registered voters — 41.9% Republican, 29.6% Democratic, and 18.6% with no party affiliation, as of October 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 2187507 | 680 | 604 | 88.82% |
| 2 | 2187504 | 1,905 | 1,616 | 84.83% |
| 3 | 4157507 | 427 | 315 | 73.77% |
| 4 | 2157519 | 633 | 459 | 72.51% |
| 5 | 2337528 | 513 | 371 | 72.32% |
| 6 | 4517504 | 1,125 | 808 | 71.82% |
| 7 | 4487570 | 450 | 322 | 71.56% |
| 8 | 2337507 | 570 | 405 | 71.05% |
| 9 | 3067504 | 608 | 431 | 70.89% |
| 10 | 2037537 | 631 | 446 | 70.68% |
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 El Dorado County voted for president
Election results are public records.
El Dorado County at a glance.
El Dorado County had an estimated 192,823 residents in July 2024, the 29th most populous of California's 58 counties, up 0.9% since the 2020 census. Of those, 156,079 are 18 or older, the voting-age population, and 25.1% are 65 or older. Its 137,633 active registered voters equal about 88.2% of that voting-age population.
It covers 1,708 square miles of land (113 people per square mile), and 83.4% of residents live outside any incorporated city or town. The largest cities and towns are South Lake Tahoe (21,225) and Placerville (10,695). The American Community Survey (2020-2024) puts it at a median age of 46.1, a median household income of $108,845, 40.0% of adults 25 and older holding a bachelor's degree or higher and 77.2% of occupied homes owned by the people living in them.
In 2024, 111,890 votes were cast for president, about 71.7% of the voting-age population; the Democratic ticket took 42.6% and the Republican ticket 54.6%. The two-party margin moved from R+10.5 in 2008 to R+12.0 in 2024.
- Population (2024 estimate)
- 192,823
- Population (2020 census base)
- 191,185
- Voting-age population (18+)
- 156,079
- Active voters per 100 adults
- 88.2
- Residents 65 and older
- 25.1%
- People per square mile
- 113
- Living outside incorporated places
- 83.4%
- Land area
- 1,708 sq mi
- Median age
- 46.1
- Median household income
- $108,845
- Adults 25+ with a bachelor's degree
- 40.0%
- Owner-occupied homes
- 77.2%
Largest cities and towns
- South Lake Tahoe 21,225
- Placerville 10,695
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 42.6% | 54.6% | R+12.0 | 111,890 |
| 2020 | 44.4% | 53.2% | R+8.8 | 116,138 |
| 2016 | 39.5% | 53.4% | R+13.9 | 89,228 |
| 2012 | 39.6% | 57.8% | R+18.2 | 85,923 |
| 2008 | 43.6% | 54.1% | R+10.5 | 92,926 |
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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