- Lead
- 7,274
- Total
- 25,922
- vs nation
- D+29.5
Pennsylvania 104th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 8,682
- Total
- 26,386
- vs nation
- D+28.4
- Lead
- 7,227
- Total
- 24,573
- vs nation
- D+27.3
- Lead
- 7,663
- Total
- 23,503
- vs nation
- D+28.7
- Lead
- 8,779
- Total
- 24,802
- vs nation
- D+28.1
- Lead
- 4,473
- Total
- 21,864
- vs nation
- D+22.9
- Lead
- 3,272
- Total
- 18,513
- vs nation
- D+17.2
- Lead
- 3,892
- Total
- 16,957
- vs nation
- D+14.4
Key facts
- 2024 presidential margin
- D+28.1MIT Election Lab
- Population
- 65,0862024 5-year
- Population density
- 3,013 / sq mi2024 5-year · TIGER/Line
- Land area
- 21.6 sq miTIGER/Line
- Median household income
- $64,5592024 5-year
- White (non-Hispanic)
- 37.0%2024 5-year
- Black
- 29.0%2024 5-year
- Hispanic / Latino
- 21.1%2024 5-year
- Peak Democratic margin
- D+35.4 in 2008MIT Election Lab
- Peak Republican margin
- R+49.8 in 1928MIT Election Lab
- Most similar
- State House District 203, PA · twin score 95.7
presidential history
Party record book
Pennsylvania 104th 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
Barack Obama2008
67.1%
16,642 votes · D+35.4 · modeled estimate
Runner-up · Joe Biden, 2020 · 65.9%
Republican
Herbert Hoover1928
74.5%
6,650 votes · R+49.8 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 62.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
17,376votes
65.9% of the vote · D+32.9 · modeled estimate
Runner-up · Barack Obama, 2008 · 16,642 votes
Republican
Donald Trump2024
9,184votes
35.4% of the vote · D+28.1 · modeled estimate
Runner-up · Donald Trump, 2020 · 8,694 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
+29.5pts D vs U.S.
Place D+28.1 · U.S. R+1.5 · modeled estimate
Runner-up · Barack Obama, 2012 · +28.7 pts
Republican
Herbert Hoover1928
+32.3pts R vs U.S.
Place R+49.8 · U.S. R+17.5 · modeled estimate
Runner-up · Herbert Hoover, 1932 · +14.0 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 |
|---|---|---|---|---|
| 2018 | D | 54.1%13,171 | 45.9%11,185 | 24,356 |
Anchored in Philadelphia, this dense urban district delivered a 28-point margin in 2024, reflecting a constituency where Democratic presidential candidates have posted lopsided advantages across successive election cycles.
Across the recorded series it reached a Democratic high of 35.4 points in 2008 and a Republican high of 49.8 points in 1928. Between 2020 and 2024 the district moved 4.8 points toward the Republican candidate; the 2024 margin was 28.1 points.
A population of 65,086, a 37% non-Hispanic-white share, and a median household income of $64,559 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 203 and State House District 179.
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 →
Pennsylvania 104th State House District. Akashic. https://akashic.app/sld-lower/42104/. Accessed May 20, 2026. License: CC BY 4.0.