- Lead
- 28,605
- Total
- 176,959
- vs nation
- D+17.6
California 64th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 67,885
- Total
- 203,119
- vs nation
- D+29.0
- Lead
- 65,994
- Total
- 161,887
- vs nation
- D+38.7
- Lead
- 47,832
- Total
- 150,692
- vs nation
- D+27.9
- Lead
- 48,607
- Total
- 157,227
- vs nation
- D+23.6
- Lead
- 24,322
- Total
- 144,296
- vs nation
- D+19.3
- Lead
- 26,858
- Total
- 129,029
- vs nation
- D+20.3
- Lead
- 21,854
- Total
- 115,011
- vs nation
- D+10.5
Key facts
- 2024 presidential margin
- D+16.2MIT Election Lab
- Population
- 510,6082024 5-year
- Population density
- 8,654 / sq mi2024 5-year · TIGER/Line
- Land area
- 59 sq miTIGER/Line
- Median household income
- $90,5062024 5-year
- White (non-Hispanic)
- 13.0%2024 5-year
- Black
- 2.5%2024 5-year
- Hispanic / Latino
- 73.4%2024 5-year
- Peak Democratic margin
- D+40.8 in 2016MIT Election Lab
- Peak Republican margin
- R+61.1 in 1924MIT Election Lab
- Most similar
- Assembly District 53, CA · twin score 98.4
presidential history
Party record book
California 64th 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
Hillary Clinton2016
67.4%
109,090 votes · D+40.8 · modeled estimate
Runner-up · Joe Biden, 2020 · 65.6%
Republican
Herbert Hoover1928
71.9%
23,317 votes · R+45.8 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 71.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
133,247votes
65.6% of the vote · D+33.4 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 109,090 votes
Republican
Richard Nixon1972
77,309votes
58.4% of the vote · R+20.2 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 74,677 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
+38.7pts D vs U.S.
Place D+40.8 · U.S. D+2.1 · modeled estimate
Runner-up · Joe Biden, 2020 · +29.0 pts
Republican
Calvin Coolidge1924
+35.9pts R vs U.S.
Place R+61.1 · U.S. R+25.2 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +32.7 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.
Assembly District 64 covers a densely populated swath of the greater Los Angeles region where presidential margins have consistently favored Democrats by double digits, reflecting a diverse, urban electorate that has shown little volatility in recent cycles.
Across the recorded series it reached a Democratic high of 40.8 points in 2016 and a Republican high of 61.1 points in 1924. Between 2020 and 2024 the district moved 17.3 points toward the Republican candidate; the 2024 margin was 16.2 points.
A population of 510,608, a 13% non-Hispanic-white share, and a median household income of $90,506 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 53 and Assembly District 68.
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 64th State House District. Akashic. https://akashic.app/sld-lower/06064/. Accessed May 20, 2026. License: CC BY 4.0.