- Lead
- 52,962
- Total
- 248,378
- vs nation
- D+22.8
California 41st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 68,536
- Total
- 269,547
- vs nation
- D+21.0
- Lead
- 51,519
- Total
- 223,933
- vs nation
- D+20.9
- Lead
- 32,626
- Total
- 207,521
- vs nation
- D+11.9
- Lead
- 30,662
- Total
- 217,412
- vs nation
- D+6.8
- Lead
- 886
- Total
- 201,063
- vs nation
- D+2.0
- Lead
- 10,024
- Total
- 176,350
- vs nation
- D+5.2
- Lead
- 8,606
- Total
- 158,702
- vs nation
- R+3.1
Key facts
- 2024 presidential margin
- D+21.3MIT Election Lab
- Population
- 483,4972024 5-year
- Population density
- 531 / sq mi2024 5-year · TIGER/Line
- Land area
- 911 sq miTIGER/Line
- Median household income
- $114,5622024 5-year
- White (non-Hispanic)
- 43.4%2024 5-year
- Black
- 6.0%2024 5-year
- Hispanic / Latino
- 31.4%2024 5-year
- Peak Democratic margin
- D+26.2 in 1912MIT Election Lab
- Peak Republican margin
- R+63.6 in 1924MIT Election Lab
- Most similar
- Assembly District 40, CA · twin score 95.2
presidential history
Party record book
California 41st 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
61.7%
166,228 votes · D+25.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 59.1%
Republican
Herbert Hoover1928
75.9%
34,066 votes · R+53.8 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 73.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
166,228votes
61.7% of the vote · D+25.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 146,734 votes
Republican
Ronald Reagan1984
112,659votes
65.1% of the vote · R+31.2 · modeled estimate
Runner-up · Richard Nixon, 1972 · 111,260 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
Kamala Harris2024
+22.8pts D vs U.S.
Place D+21.3 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +21.0 pts
Republican
Calvin Coolidge1924
+38.4pts R vs U.S.
Place R+63.6 · U.S. R+25.2 · modeled estimate
Runner-up · Herbert Hoover, 1928 · +36.3 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 41 recorded a 21.3-point Democratic presidential margin in 2024, placing it among the most heavily one-sided state house districts in California and reflecting a densely urban, highly Democratic-leaning electorate.
Across the recorded series it reached a Democratic high of 26.2 points in 1912 and a Republican high of 63.6 points in 1924. Between 2020 and 2024 the district moved 4.1 points toward the Republican candidate; the 2024 margin was 21.3 points.
A population of 483,497, a 43% non-Hispanic-white share, and a median household income of $114,562 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 40 and Assembly District 66.
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 41st State House District. Akashic. https://akashic.app/sld-lower/06041/. Accessed May 20, 2026. License: CC BY 4.0.