Lake County, California
Precinct data
Results by precinct
46 precincts · 26,749 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -520520 | 807 | 853 | 45 | 1,705 | 47.3% | 50.0% | R+2.7 |
|---|---|---|---|---|---|---|---|
| Precinct -116116 | 739 | 852 | 41 | 1,632 | 45.3% | 52.2% | R+6.9 |
| Precinct -381381 | 718 | 779 | 40 | 1,537 | 46.7% | 50.7% | R+4.0 |
| Precinct -430430 | 691 | 709 | 41 | 1,441 | 48.0% | 49.2% | R+1.2 |
| Precinct -113113 | 652 | 629 | 36 | 1,317 | 49.5% | 47.8% | D+1.7 |
| Precinct -532532 | 592 | 586 | 30 | 1,208 | 49.0% | 48.5% | D+0.5 |
| Precinct -351351 | 569 | 551 | 35 | 1,155 | 49.3% | 47.7% | D+1.6 |
| Precinct -311311 | 448 | 654 | 30 | 1,132 | 39.6% | 57.8% | R+18.2 |
| Precinct -411411 | 559 | 540 | 33 | 1,132 | 49.4% | 47.7% | D+1.7 |
| Precinct -211211 | 534 | 469 | 31 | 1,034 | 51.6% | 45.4% | D+6.3 |
| Precinct -341341 | 476 | 451 | 31 | 958 | 49.7% | 47.1% | D+2.6 |
| Precinct -519519 | 528 | 375 | 31 | 934 | 56.5% | 40.1% | D+16.4 |
| Precinct -111111 | 391 | 484 | 29 | 904 | 43.3% | 53.5% | R+10.3 |
| Precinct -218218 | 460 | 391 | 22 | 873 | 52.7% | 44.8% | D+7.9 |
| Precinct -571571 | 463 | 384 | 20 | 867 | 53.4% | 44.3% | D+9.1 |
| Precinct -126126 | 339 | 479 | 23 | 841 | 40.3% | 57.0% | R+16.6 |
| Precinct -561561 | 423 | 363 | 30 | 816 | 51.8% | 44.5% | D+7.4 |
| Precinct -421421 | 328 | 410 | 14 | 752 | 43.6% | 54.5% | R+10.9 |
| Precinct -530530 | 369 | 338 | 15 | 722 | 51.1% | 46.8% | D+4.3 |
| Precinct -213213 | 317 | 342 | 31 | 690 | 45.9% | 49.6% | R+3.6 |
| Precinct -414414 | 343 | 298 | 14 | 655 | 52.4% | 45.5% | D+6.9 |
| Precinct -442442 | 275 | 357 | 20 | 652 | 42.2% | 54.8% | R+12.6 |
| Precinct -141141 | 301 | 315 | 31 | 647 | 46.5% | 48.7% | R+2.2 |
| Precinct -413413 | 294 | 243 | 21 | 558 | 52.7% | 43.5% | D+9.1 |
| Precinct -217217 | 216 | 242 | 22 | 480 | 45.0% | 50.4% | R+5.4 |
| Precinct -215215 | 224 | 228 | 20 | 472 | 47.5% | 48.3% | R+0.8 |
| Precinct -441441 | 108 | 166 | 8 | 282 | 38.3% | 58.9% | R+20.6 |
| Precinct -121121 | 69 | 98 | 8 | 175 | 39.4% | 56.0% | R+16.6 |
| Precinct -455455 | 97 | 71 | 4 | 172 | 56.4% | 41.3% | D+15.1 |
| Precinct -390390 | 53 | 62 | 6 | 121 | 43.8% | 51.2% | R+7.4 |
| Precinct -391391 | 59 | 54 | 5 | 118 | 50.0% | 45.8% | D+4.2 |
| Precinct -123123 | 33 | 73 | 7 | 113 | 29.2% | 64.6% | R+35.4 |
| Precinct -354354 | 67 | 31 | 5 | 103 | 65.0% | 30.1% | D+35.0 |
| Precinct -551551 | 57 | 36 | 3 | 96 | 59.4% | 37.5% | D+21.9 |
| Precinct -131131 | 26 | 54 | 5 | 85 | 30.6% | 63.5% | R+32.9 |
| Precinct -452452 | 34 | 37 | 5 | 76 | 44.7% | 48.7% | R+3.9 |
| Precinct -511511 | 24 | 34 | 3 | 61 | 39.3% | 55.7% | R+16.4 |
| Precinct -461461 | 25 | 23 | 2 | 50 | 50.0% | 46.0% | D+4.0 |
| Precinct -361361 | 17 | 26 | 3 | 46 | 37.0% | 56.5% | R+19.6 |
| Precinct -132132 | 18 | 14 | 0 | 32 | 56.3% | 43.8% | D+12.5 |
| Precinct -128128 | 12 | 11 | 3 | 26 | 46.2% | 42.3% | D+3.8 |
| Precinct -471471 | 15 | 8 | 0 | 23 | 65.2% | 34.8% | D+30.4 |
| Precinct -122122 | 10 | 6 | 1 | 17 | 58.8% | 35.3% | D+23.5 |
| Precinct -130130 | 5 | 10 | 0 | 15 | 33.3% | 66.7% | R+33.3 |
| Precinct -222222 | 1 | 11 | 0 | 12 | 8.3% | 91.7% | R+83.3 |
| Precinct -343343 | 5 | 7 | 0 | 12 | 41.7% | 58.3% | R+16.7 |
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | +29.7% |
| 1880 | +19.5% |
| 1884 | +15.1% |
| 1888 | +8.3% |
| 1892 | +7.8% |
| 1896 | +21.4% |
| 1900 | +11.5% |
| 1904 | −3.3% |
| 1908 | +0.2% |
| 1912 | +51.9% |
| 1916 | +16.7% |
| 1920 | −24.3% |
| 1924 | −30.2% |
| 1928 | −32.1% |
| 1932 | +27.9% |
| 1936 | +1.1% |
| 1940 | −7.7% |
| 1944 | −10.4% |
| 1948 | −19.8% |
| 1952 | −36.2% |
| 1956 | −30.1% |
| 1960 | −18.0% |
| 1964 | +12.8% |
| 1968 | −7.5% |
| 1972 | −15.0% |
| 1976 | +7.4% |
| 1980 | −17.7% |
| 1984 | −11.2% |
| 1988 | +2.4% |
| 1992 | +16.7% |
| 1996 | +13.9% |
| 2000 | +9.6% |
| 2004 | +8.3% |
| 2008 | +19.2% |
| 2012 | +16.9% |
| 2016 | +3.6% |
| 2020 | +6.3% |
| 2024 | −1.4% |
U.S. Senate
Registered voters
By party of registration, over time
Lake County, CA registers Democratic but votes Republican — a 6.5-point gap between how voters register and how they vote, the signature of ancestral registration that trails realignment.
37,368 registered voters · 2024 · up from 37,013 in 2022
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+205 net domestic migration · 2025
Net +1,514 over 2011–2025 · gain loss
Arrivals reported $64,261 in average income, against $63,291 for residents who stayed — 2% higher. (IRS SOI, 2022–23)
The places arrivals came from lean D+39.4 on average — 41 points more Democratic-leaning than Lake County, CA itself (R+1.4).
Where arrivals came from lean of each source
- Sonoma County, CA281D+46.2
- Mendocino County, CA141D+26.8
- Napa County, CA62D+34.9
- Sacramento County, CA61D+19.7
- Contra Costa County, CA39D+37.9
- Alameda County, CA38D+53.6
Where departures went households, 2022–23
- Sonoma County, CA178
- Mendocino County, CA122
- Sacramento County, CA66
- Solano County, CA40
- Napa County, CA35
- Butte County, CA29
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −391 |
| 2012 | −132 |
| 2013 | −37 |
| 2014 | +328 |
| 2015 | +352 |
| 2016 | −234 |
| 2017 | +389 |
| 2018 | +331 |
| 2019 | +215 |
| 2021 | +692 |
| 2022 | −192 |
| 2023 | −27 |
| 2024 | +15 |
| 2025 | +205 |
Lake County, anchored by Clear Lake and dependent on agriculture and tourism, has swung from reliably Democratic to near-even territory since 2004, making it a rare competitive marker in California's otherwise lopsided interior counties.
Across the recorded series it reached a Democratic high of 51.9 points in 1912 and a Republican high of 36.2 points in 1952. Between 2020 and 2024 the county moved 7.6 points toward the Republican candidate; the 2024 margin was 1.4 points.
A population of 68,152, a 64% non-Hispanic-white share, and a median household income of $60,621 describe the county. The county's voting pattern over the last decade is most similar to that of Mendocino County and Pueblo County.
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Lake County, California. Akashic. https://akashic.app/county/06033/. Accessed May 20, 2026. License: CC BY 4.0.