- Lead
- 21,678
- Total
- 27,208
- vs nation
- D+81.1
Pennsylvania 181st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 20,751
- Total
- 24,722
- vs nation
- D+79.5
- Lead
- 20,659
- Total
- 24,217
- vs nation
- D+83.2
- Lead
- 20,942
- Total
- 23,690
- vs nation
- D+84.5
- Lead
- 21,009
- Total
- 24,170
- vs nation
- D+79.6
- Lead
- 18,866
- Total
- 22,240
- vs nation
- D+87.3
- Lead
- 15,636
- Total
- 18,778
- vs nation
- D+82.7
- Lead
- 14,243
- Total
- 18,141
- vs nation
- D+71.1
Key facts
- 2024 presidential margin
- D+79.7MIT Election Lab
- Population
- 61,7772024 5-year
- Population density
- 22,063 / sq mi2024 5-year · TIGER/Line
- Land area
- 2.8 sq miTIGER/Line
- Median household income
- $50,6212024 5-year
- White (non-Hispanic)
- 33.6%2024 5-year
- Black
- 39.9%2024 5-year
- Hispanic / Latino
- 13.2%2024 5-year
- Peak Democratic margin
- D+88.4 in 2012MIT Election Lab
- Peak Republican margin
- R+29.0 in 1924MIT Election Lab
- Most similar
- State House District 188, PA · twin score 98.8
presidential history
Party record book
Pennsylvania 181st 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 Obama2012
93.9%
22,238 votes · D+88.4 · modeled estimate
Runner-up · Barack Obama, 2008 · 93.2%
Republican
Theodore Roosevelt1904
57.8%
2,937 votes · R+23.1 · modeled estimate
Runner-up · Calvin Coolidge, 1924 · 53.4%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Lyndon B. Johnson1964
25,358votes
88.8% of the vote · D+78.0 · modeled estimate
Runner-up · Kamala Harris, 2024 · 24,273 votes
Republican
Thomas E. Dewey1948
5,599votes
24.3% of the vote · D+46.7 · modeled estimate
Runner-up · Herbert Hoover, 1928 · 5,548 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
John Kerry2004
+87.3pts D vs U.S.
Place D+84.8 · U.S. R+2.5 · modeled estimate
Runner-up · Walter Mondale, 1984 · +86.4 pts
Republican
Calvin Coolidge1924
+3.8pts R vs U.S.
Place R+29.0 · U.S. R+25.2 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · +3.4 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.
With a 2024 presidential margin of D+79.7, this Philadelphia-area district ranks among the most lopsided in the state, reflecting a dense, heavily Democratic urban electorate that consistently delivers outsized margins.
Across the recorded series it reached a Democratic high of 88.4 points in 2012 and a Republican high of 29.0 points in 1924. Between 2020 and 2024 the district moved 4.3 points toward the Republican candidate; the 2024 margin was 79.7 points.
A population of 61,777, a 34% non-Hispanic-white share, and a median household income of $50,621 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 188 and State House District 186.
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 181st State House District. Akashic. https://akashic.app/sld-lower/42181/. Accessed May 20, 2026. License: CC BY 4.0.