- Lead
- 6,498
- Total
- 41,255
- vs nation
- D+17.2
Pennsylvania 155th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 7,216
- Total
- 39,736
- vs nation
- D+13.7
- Lead
- 2,830
- Total
- 33,942
- vs nation
- D+6.2
- Lead
- 454
- Total
- 31,419
- vs nation
- R+5.3
- Lead
- 2,548
- Total
- 31,733
- vs nation
- D+0.8
- Lead
- 1,625
- Total
- 28,795
- vs nation
- R+3.2
- Lead
- 2,489
- Total
- 23,286
- vs nation
- R+11.2
- Lead
- 1,702
- Total
- 19,699
- vs nation
- R+17.2
Key facts
- 2024 presidential margin
- D+15.8MIT Election Lab
- Population
- 64,2562024 5-year
- Population density
- 1,036 / sq mi2024 5-year · TIGER/Line
- Land area
- 62 sq miTIGER/Line
- Median household income
- $139,4072024 5-year
- White (non-Hispanic)
- 77.6%2024 5-year
- Black
- 3.7%2024 5-year
- Hispanic / Latino
- 4.6%2024 5-year
- Peak Democratic margin
- D+18.2 in 2020MIT Election Lab
- Peak Republican margin
- R+65.8 in 1928MIT Election Lab
- Most similar
- State House District 150, PA · twin score 97.5
presidential history
Party record book
Pennsylvania 155th 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
58.4%
23,196 votes · D+18.2 · modeled estimate
Runner-up · Kamala Harris, 2024 · 57.3%
Republican
Herbert Hoover1928
82.6%
4,617 votes · R+65.8 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 75.3%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
23,650votes
57.3% of the vote · D+15.8 · modeled estimate
Runner-up · Joe Biden, 2020 · 23,196 votes
Republican
Donald Trump2024
17,152votes
41.6% of the vote · D+15.8 · modeled estimate
Runner-up · Donald Trump, 2020 · 15,980 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
+17.2pts D vs U.S.
Place D+15.8 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +13.7 pts
Republican
Herbert Hoover1932
+59.4pts R vs U.S.
Place R+41.6 · U.S. D+17.8 · modeled estimate
Runner-up · Herbert Hoover, 1928 · +48.4 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 | 57.0%21,600 | 43.0%16,323 | 37,923 |
District 155 sits within Pennsylvania's southeastern corridor, where dense suburban and urban precincts have produced consistent double-digit Democratic presidential margins — 15.7 points in 2024 — reflecting a highly educated, diverse electorate.
Across the recorded series it reached a Democratic high of 18.2 points in 2020 and a Republican high of 65.8 points in 1928. Between 2020 and 2024 the district moved 2.4 points toward the Republican candidate; the 2024 margin was 15.8 points.
A population of 64,256, a 78% non-Hispanic-white share, and a median household income of $139,407 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 150 and State House District 167.
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 155th State House District. Akashic. https://akashic.app/sld-lower/42155/. Accessed May 20, 2026. License: CC BY 4.0.