- Lead
- 49,330
- Total
- 134,193
- vs nation
- R+35.3
Pennsylvania 27th State Senate District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 46,374
- Total
- 129,525
- vs nation
- R+40.3
- Lead
- 44,211
- Total
- 113,381
- vs nation
- R+41.1
- Lead
- 20,648
- Total
- 101,654
- vs nation
- R+24.2
- Lead
- 15,056
- Total
- 107,254
- vs nation
- R+21.3
- Lead
- 26,015
- Total
- 108,218
- vs nation
- R+21.6
- Lead
- 17,529
- Total
- 93,277
- vs nation
- R+19.3
- Lead
- 5,341
- Total
- 88,241
- vs nation
- R+14.6
Key facts
- 2024 presidential margin
- R+36.8MIT Election Lab
- Population
- 261,1332024 5-year
- Population density
- 157 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,662 sq miTIGER/Line
- Median household income
- $67,5462024 5-year
- White (non-Hispanic)
- 90.4%2024 5-year
- Black
- 1.5%2024 5-year
- Hispanic / Latino
- 3.7%2024 5-year
- Peak Democratic margin
- D+26.0 in 1912MIT Election Lab
- Peak Republican margin
- R+39.0 in 2016MIT Election Lab
- Most similar
- State Senate District 41, PA · twin score 94.9
presidential history
Party record book
Pennsylvania 27th State Senate 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
59.5%
62,868 votes · D+19.2 · modeled estimate
Runner-up · Samuel J. Tilden, 1876 · 54.2%
Republican
Donald Trump2024
67.9%
91,175 votes · R+36.8 · modeled estimate
Runner-up · Richard Nixon, 1972 · 67.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
65,380votes
53.5% of the vote · D+7.9 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 62,868 votes
Republican
Donald Trump2024
91,175votes
67.9% of the vote · R+36.8 · modeled estimate
Runner-up · Donald Trump, 2020 · 87,000 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
Woodrow Wilson1912
+6.5pts D vs U.S.
Place D+26.0 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Grover Cleveland, 1892 · +5.7 pts
Republican
Donald Trump2016
+41.1pts R vs U.S.
Place R+39.0 · U.S. D+2.1 · modeled estimate
Runner-up · Donald Trump, 2020 · +40.3 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.
Pennsylvania 27th State Senate District sits in the Mid-Atlantic. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 26.0 points in 1912 and a Republican high of 39.0 points in 2016. Between 2020 and 2024 the district moved 1.0 points toward the Republican candidate; the 2024 margin was 36.8 points.
A population of 261,133, a 90% non-Hispanic-white share, and a median household income of $67,546 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 41 and State Senate District 32.
The state-senate 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 Senate District. Akashic. https://akashic.app/sld-upper/42027/. Accessed May 20, 2026. License: CC BY 4.0.