- Lead
- 7,029
- Total
- 33,736
- vs nation
- D+22.3
Pennsylvania 27th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 7,563
- Total
- 34,947
- vs nation
- D+17.2
- Lead
- 5,311
- Total
- 31,519
- vs nation
- D+14.8
- Lead
- 4,491
- Total
- 29,781
- vs nation
- D+11.2
- Lead
- 4,974
- Total
- 31,217
- vs nation
- D+8.7
- Lead
- 4,785
- Total
- 30,762
- vs nation
- D+18.0
- Lead
- 4,657
- Total
- 27,839
- vs nation
- D+16.2
- Lead
- 3,962
- Total
- 25,974
- vs nation
- D+6.7
Key facts
- 2024 presidential margin
- D+20.8MIT Election Lab
- Population
- 61,7902024 5-year
- Population density
- 3,745 / sq mi2024 5-year · TIGER/Line
- Land area
- 16.5 sq miTIGER/Line
- Median household income
- $75,0382024 5-year
- White (non-Hispanic)
- 75.7%2024 5-year
- Black
- 9.4%2024 5-year
- Hispanic / Latino
- 2.6%2024 5-year
- Peak Democratic margin
- D+34.3 in 1936MIT Election Lab
- Peak Republican margin
- R+58.2 in 1904MIT Election Lab
- Most similar
- State House District 21, PA · twin score 96.3
presidential history
Party record book
Pennsylvania 27th 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
Lyndon B. Johnson1964
66.2%
22,746 votes · D+32.8 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 65.2%
Republican
Theodore Roosevelt1904
76.6%
4,296 votes · R+58.2 · modeled estimate
Runner-up · William McKinley, 1896 · 70.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
22,746votes
66.2% of the vote · D+32.8 · modeled estimate
Runner-up · Joe Biden, 2020 · 20,950 votes
Republican
Dwight D. Eisenhower1956
18,196votes
54.5% of the vote · R+9.2 · modeled estimate
Runner-up · Richard Nixon, 1972 · 17,645 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
Walter Mondale1984
+31.8pts D vs U.S.
Place D+13.6 · U.S. R+18.2 · modeled estimate
Runner-up · Michael Dukakis, 1988 · +28.3 pts
Republican
Theodore Roosevelt1904
+38.6pts R vs U.S.
Place R+58.2 · U.S. R+19.7 · modeled estimate
Runner-up · William McKinley, 1896 · +37.3 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.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 58.9%20,679 | 41.1%14,431 | 35,110 |
The district recorded a Democratic presidential margin of D+20.7 in 2024, compared with D+15.9 in 2008. The district had about 27,800 residents, 76.1% White alone in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 34.3 points in 1936 and a Republican high of 58.2 points in 1904. Between 2020 and 2024 the district moved 0.8 points toward the Republican candidate; the 2024 margin was 20.8 points.
A population of 61,790, a 76% non-Hispanic-white share, and a median household income of $75,038 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 21 and State House District 36.
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 27th State House District. Akashic. https://akashic.app/sld-lower/42027/. Accessed May 20, 2026. License: CC BY 4.0.