- Lead
- 22,720
- Total
- 27,603
- vs nation
- D+83.8
Pennsylvania 10th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 23,600
- Total
- 26,887
- vs nation
- D+83.3
- Lead
- 23,245
- Total
- 26,439
- vs nation
- D+85.8
- Lead
- 23,570
- Total
- 26,254
- vs nation
- D+85.9
- Lead
- 23,676
- Total
- 26,535
- vs nation
- D+82.0
- Lead
- 21,245
- Total
- 24,390
- vs nation
- D+89.6
- Lead
- 17,643
- Total
- 20,483
- vs nation
- D+85.6
- Lead
- 15,997
- Total
- 19,734
- vs nation
- D+74.0
Key facts
- 2024 presidential margin
- D+82.3MIT Election Lab
- Population
- 61,1832024 5-year
- Population density
- 21,098 / sq mi2024 5-year · TIGER/Line
- Land area
- 2.9 sq miTIGER/Line
- Median household income
- $48,4502024 5-year
- White (non-Hispanic)
- 25.5%2024 5-year
- Black
- 56.3%2024 5-year
- Hispanic / Latino
- 4.6%2024 5-year
- Peak Democratic margin
- D+89.8 in 2012MIT Election Lab
- Peak Republican margin
- R+22.2 in 1924MIT Election Lab
- Most similar
- State House District 195, PA · twin score 98.9
presidential history
Party record book
Pennsylvania 10th 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
94.3%
25,024 votes · D+89.2 · modeled estimate
Runner-up · Barack Obama, 2012 · 94.2%
Republican
Theodore Roosevelt1904
52.9%
2,630 votes · R+13.4 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 50.5%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
28,159votes
90.8% of the vote · D+81.9 · modeled estimate
Runner-up · John F. Kennedy, 1960 · 26,137 votes
Republican
Thomas E. Dewey1948
5,003votes
20.7% of the vote · D+54.5 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 4,954 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
+91.1pts D vs U.S.
Place D+72.9 · U.S. R+18.2 · modeled estimate
Runner-up · John Kerry, 2004 · +89.6 pts
Republican
Calvin Coolidge1924
−3.0pts R vs U.S.
Place R+22.2 · U.S. R+25.2 · modeled estimate
Runner-up · William H. Taft, 1912 · −3.5 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.
With a 2024 presidential margin of D+82, this district ranks among the most heavily Democratic in the state, reflecting a dense, urban core where opposition-party candidates rarely break single digits.
Across the recorded series it reached a Democratic high of 89.8 points in 2012 and a Republican high of 22.2 points in 1924. Between 2020 and 2024 the district moved 5.5 points toward the Republican candidate; the 2024 margin was 82.3 points.
A population of 61,183, a 26% non-Hispanic-white share, and a median household income of $48,450 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 195 and State House District 192.
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 10th State House District. Akashic. https://akashic.app/sld-lower/42010/. Accessed May 20, 2026. License: CC BY 4.0.