- Lead
- 51,904
- Total
- 169,401
- vs nation
- D+32.1
California 24th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 82,671
- Total
- 194,096
- vs nation
- D+38.1
- Lead
- 78,961
- Total
- 153,460
- vs nation
- D+49.4
- Lead
- 62,491
- Total
- 141,655
- vs nation
- D+40.3
- Lead
- 62,608
- Total
- 147,496
- vs nation
- D+35.2
- Lead
- 43,104
- Total
- 135,363
- vs nation
- D+34.3
- Lead
- 32,410
- Total
- 120,575
- vs nation
- D+26.4
- Lead
- 28,634
- Total
- 112,834
- vs nation
- D+16.9
Key facts
- 2024 presidential margin
- D+30.6MIT Election Lab
- Population
- 477,8472024 5-year
- Population density
- 2,879 / sq mi2024 5-year · TIGER/Line
- Land area
- 166 sq miTIGER/Line
- Median household income
- $175,4122024 5-year
- White (non-Hispanic)
- 14.4%2024 5-year
- Black
- 2.2%2024 5-year
- Hispanic / Latino
- 16.1%2024 5-year
- Peak Democratic margin
- D+51.5 in 2016MIT Election Lab
- Peak Republican margin
- R+65.6 in 1924MIT Election Lab
- Most similar
- Assembly District 26, CA · twin score 97.0
presidential history
Party record book
California 24th 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
72.5%
111,314 votes · D+51.5 · modeled estimate
Runner-up · Barack Obama, 2012 · 70.7%
Republican
Theodore Roosevelt1904
77.7%
4,636 votes · R+64.0 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 77.0%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
136,659votes
70.4% of the vote · D+42.6 · modeled estimate
Runner-up · Hillary Clinton, 2016 · 111,314 votes
Republican
Ronald Reagan1984
64,763votes
52.8% of the vote · R+6.7 · modeled estimate
Runner-up · Richard Nixon, 1972 · 62,173 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
+49.4pts D vs U.S.
Place D+51.5 · U.S. D+2.1 · modeled estimate
Runner-up · Barack Obama, 2012 · +40.3 pts
Republican
William H. Taft1908
+46.4pts R vs U.S.
Place R+56.0 · U.S. R+9.6 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +44.3 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.
Anchored in the East Bay, AD-24 has posted presidential margins exceeding D+30 in recent cycles, reflecting a dense, highly educated urban electorate that has shown little volatility at the top of the ticket.
Across the recorded series it reached a Democratic high of 51.5 points in 2016 and a Republican high of 65.6 points in 1924. Between 2020 and 2024 the district moved 12.0 points toward the Republican candidate; the 2024 margin was 30.6 points.
A population of 477,847, a 14% non-Hispanic-white share, and a median household income of $175,412 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 26 and Assembly District 19.
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 24th State House District. Akashic. https://akashic.app/sld-lower/06024/. Accessed May 20, 2026. License: CC BY 4.0.