- Lead
- 11,212
- Total
- 57,254
- vs nation
- D+21.1
New York 104th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 14,395
- Total
- 57,218
- vs nation
- D+20.7
- Lead
- 8,560
- Total
- 50,029
- vs nation
- D+15.0
- Lead
- 13,097
- Total
- 47,436
- vs nation
- D+23.8
- Lead
- 14,100
- Total
- 51,769
- vs nation
- D+20.0
- Lead
- 6,461
- Total
- 48,217
- vs nation
- D+15.9
- Lead
- 6,725
- Total
- 43,156
- vs nation
- D+15.1
- Lead
- 9,061
- Total
- 40,000
- vs nation
- D+14.1
Key facts
- 2024 presidential margin
- D+19.6MIT Election Lab
- Population
- 136,4562024 5-year
- Population density
- 923 / sq mi2024 5-year · TIGER/Line
- Land area
- 148 sq miTIGER/Line
- Median household income
- $83,7972024 5-year
- White (non-Hispanic)
- 47.4%2024 5-year
- Black
- 19.3%2024 5-year
- Hispanic / Latino
- 26.5%2024 5-year
- Peak Democratic margin
- D+35.9 in 1964MIT Election Lab
- Peak Republican margin
- R+44.7 in 1956MIT Election Lab
- Most similar
- Assembly District 22, NJ · twin score 87.0
presidential history
Party record book
New York 104th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2020 (partial returns from 1876) · 37 presidential cycles · 37 with a vote-share denominator · 33 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
67.9%
21,451 votes · D+35.9 · modeled estimate
Runner-up · Barack Obama, 2008 · 63.0%
Republican
Dwight D. Eisenhower1956
72.3%
18,576 votes · R+44.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1952 · 64.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
35,309votes
61.7% of the vote · D+25.2 · modeled estimate
Runner-up · Barack Obama, 2008 · 32,622 votes
Republican
Ronald Reagan1984
21,815votes
59.6% of the vote · R+19.6 · modeled estimate
Runner-up · Donald Trump, 2020 · 20,914 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
Barack Obama2012
+23.8pts D vs U.S.
Place D+27.6 · U.S. D+3.9 · modeled estimate
Runner-up · Joe Biden, 2020 · +20.7 pts
Republican
Dwight D. Eisenhower1956
+29.3pts R vs U.S.
Place R+44.7 · U.S. R+15.4 · modeled estimate
Runner-up · Thomas E. Dewey, 1948 · +24.0 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 56.7%32,917 | 43.3%25,089 | 58,006 |
Assembly District 104 covers a stretch of the Hudson Valley with a population of roughly 136,000, and its 19.5-point Democratic lean in 2024 reflects a constituency that has shifted steadily away from the competitive margins it once posted.
Across the recorded series it reached a Democratic high of 35.9 points in 1964 and a Republican high of 44.7 points in 1956. Between 2020 and 2024 the district moved 5.6 points toward the Republican candidate; the 2024 margin was 19.6 points.
A population of 136,456, a 47% non-Hispanic-white share, and a median household income of $83,797 describe the district. The district's voting pattern over the last decade is most similar to that of Assembly District 22 and Assembly District 05.
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 →
New York 104th State House District. Akashic. https://akashic.app/sld-lower/36104/. Accessed May 20, 2026. License: CC BY 4.0.