- Lead
- 48,578
- Total
- 199,970
- vs nation
- D+25.8
California 37th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 63,608
- Total
- 216,236
- vs nation
- D+25.0
- Lead
- 49,721
- Total
- 192,306
- vs nation
- D+23.8
- Lead
- 27,522
- Total
- 176,647
- vs nation
- D+11.7
- Lead
- 38,461
- Total
- 188,842
- vs nation
- D+13.1
- Lead
- 10,283
- Total
- 183,131
- vs nation
- D+8.1
- Lead
- 1,105
- Total
- 166,173
- vs nation
- R+1.2
- Lead
- 4,539
- Total
- 160,809
- vs nation
- R+5.7
Key facts
- 2024 presidential margin
- D+24.3MIT Election Lab
- Population
- 475,4872024 5-year
- Population density
- 170 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,802 sq miTIGER/Line
- Median household income
- $99,3192024 5-year
- White (non-Hispanic)
- 42.1%2024 5-year
- Black
- 1.5%2024 5-year
- Hispanic / Latino
- 46.3%2024 5-year
- Peak Democratic margin
- D+38.0 in 1912MIT Election Lab
- Peak Republican margin
- R+55.1 in 1924MIT Election Lab
- Most similar
- Assembly District 68, CA · twin score 92.1
presidential history
Party record book
California 37th 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
63.6%
137,472 votes · D+29.4 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 60.7%
Republican
Herbert Hoover1928
68.3%
12,144 votes · R+38.8 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 67.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
137,472votes
63.6% of the vote · D+29.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 121,256 votes
Republican
Ronald Reagan1984
95,225votes
63.2% of the vote · R+27.7 · modeled estimate
Runner-up · George W. Bush, 2004 · 85,020 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
+25.8pts D vs U.S.
Place D+24.3 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +25.0 pts
Republican
Calvin Coolidge1924
+30.0pts R vs U.S.
Place R+55.1 · U.S. R+25.2 · modeled estimate
Runner-up · Thomas E. Dewey, 1948 · +25.0 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 communities southeast of downtown Los Angeles, AD-37 has consistently returned presidential margins above 30 points Democratic, reflecting a heavily Latino, working-class electorate with strong partisan alignment at every level of the ballot.
Across the recorded series it reached a Democratic high of 38.0 points in 1912 and a Republican high of 55.1 points in 1924. Between 2020 and 2024 the district moved 5.1 points toward the Republican candidate; the 2024 margin was 24.3 points.
A population of 475,487, a 42% non-Hispanic-white share, and a median household income of $99,319 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 68 and State House District 21.
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.
Compare Assembly District 37 with…
- Cook County, ILThe two largest Democratic-anchor counties in America.
- Harris County, TXLA vs Harris — Sun Belt blue vs Sun Belt swing.
- New York County, NYLA vs Manhattan — coast to coast.
Open campaign intelligence report → · All twelve comparisons →
California 37th State House District. Akashic. https://akashic.app/sld-lower/06037/. Accessed May 20, 2026. License: CC BY 4.0.