- Lead
- 12,260
- Total
- 132,967
- vs nation
- D+10.7
California 39th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 37,701
- Total
- 152,153
- vs nation
- D+20.3
- Lead
- 30,552
- Total
- 117,163
- vs nation
- D+24.0
- Lead
- 20,730
- Total
- 107,466
- vs nation
- D+15.4
- Lead
- 20,364
- Total
- 112,290
- vs nation
- D+10.9
- Lead
- 2,276
- Total
- 101,948
- vs nation
- D+4.7
- Lead
- 7,884
- Total
- 89,034
- vs nation
- D+8.3
- Lead
- 6,706
- Total
- 80,988
- vs nation
- R+0.2
Key facts
- 2024 presidential margin
- D+9.2MIT Election Lab
- Population
- 481,9592024 5-year
- Population density
- 459 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,051 sq miTIGER/Line
- Median household income
- $70,9302024 5-year
- White (non-Hispanic)
- 16.9%2024 5-year
- Black
- 15.4%2024 5-year
- Hispanic / Latino
- 60.4%2024 5-year
- Peak Democratic margin
- D+30.9 in 1912MIT Election Lab
- Peak Republican margin
- R+65.3 in 1924MIT Election Lab
- Most similar
- Assembly District 60, CA · twin score 96.7
presidential history
Party record book
California 39th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Joe Biden2020
61.1%
93,041 votes · D+24.8 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 60.0%
Republican
Warren G. Harding1920
79.2%
5,725 votes · R+63.5 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 78.1%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
93,041votes
61.1% of the vote · D+24.8 · modeled estimate
Runner-up · Kamala Harris, 2024 · 70,649 votes
Republican
Donald Trump2024
58,389votes
43.9% of the vote · D+9.2 · modeled estimate
Runner-up · Donald Trump, 2020 · 55,340 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Hillary Clinton2016
+24.0pts D vs U.S.
Place D+26.1 · U.S. D+2.1 · modeled estimate
Runner-up · Joe Biden, 2020 · +20.3 pts
Republican
Theodore Roosevelt1904
+43.1pts R vs U.S.
Place R+62.7 · U.S. R+19.7 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · +40.2 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2018 | D | 64.6%80,959 | 35.4%44,307 | 125,266 |
California 39th State House District sits in the Pacific Coast. In 2024 it voted Democratic.
Across the recorded series it reached a Democratic high of 30.9 points in 1912 and a Republican high of 65.3 points in 1924. Between 2020 and 2024 the district moved 15.6 points toward the Republican candidate; the 2024 margin was 9.2 points.
A population of 481,959, a 17% non-Hispanic-white share, and a median household income of $70,930 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 60 and Assembly District 53.
The state-house districts 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.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
California 39th State House District. Akashic. https://akashic.app/sld-lower/06039/. Accessed May 20, 2026. License: CC BY 4.0.