- Lead
- 7,246
- Total
- 42,008
- vs nation
- D+18.7
Pennsylvania 165th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 8,170
- Total
- 41,832
- vs nation
- D+15.1
- Lead
- 5,874
- Total
- 37,821
- vs nation
- D+13.4
- Lead
- 5,172
- Total
- 35,992
- vs nation
- D+10.5
- Lead
- 5,387
- Total
- 37,480
- vs nation
- D+7.1
- Lead
- 2,777
- Total
- 36,026
- vs nation
- D+10.2
- Lead
- 1,486
- Total
- 31,584
- vs nation
- D+4.2
- Lead
- 1,054
- Total
- 30,018
- vs nation
- R+5.0
Key facts
- 2024 presidential margin
- D+17.2MIT Election Lab
- Population
- 62,7672024 5-year
- Population density
- 2,975 / sq mi2024 5-year · TIGER/Line
- Land area
- 21.1 sq miTIGER/Line
- Median household income
- $126,9182024 5-year
- White (non-Hispanic)
- 82.7%2024 5-year
- Black
- 4.3%2024 5-year
- Hispanic / Latino
- 2.9%2024 5-year
- Peak Democratic margin
- D+19.5 in 2020MIT Election Lab
- Peak Republican margin
- R+73.4 in 1924MIT Election Lab
- Most similar
- State House District 166, PA · twin score 99.3
presidential history
Party record book
Pennsylvania 165th 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
59.2%
24,784 votes · D+19.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 58.2%
Republican
Calvin Coolidge1924
84.4%
5,789 votes · R+73.4 · modeled estimate
Runner-up · Theodore Roosevelt, 1904 · 80.7%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
24,784votes
59.2% of the vote · D+19.5 · modeled estimate
Runner-up · Kamala Harris, 2024 · 24,428 votes
Republican
Richard Nixon1972
24,113votes
67.4% of the vote · R+36.1 · modeled estimate
Runner-up · Ronald Reagan, 1984 · 22,260 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
+18.7pts D vs U.S.
Place D+17.2 · U.S. R+1.5 · modeled estimate
Runner-up · Joe Biden, 2020 · +15.1 pts
Republican
Herbert Hoover1932
+62.5pts R vs U.S.
Place R+44.7 · U.S. D+17.8 · modeled estimate
Runner-up · William McKinley, 1896 · +51.0 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.
District 165 anchors a dense, majority-minority slice of the Philadelphia suburbs where Democratic presidential margins have held well above 15 points across recent cycles, reflecting a diverse, urban-adjacent electorate.
Across the recorded series it reached a Democratic high of 19.5 points in 2020 and a Republican high of 73.4 points in 1924. Between 2020 and 2024 the district moved 2.3 points toward the Republican candidate; the 2024 margin was 17.2 points.
A population of 62,767, a 83% non-Hispanic-white share, and a median household income of $126,918 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 166 and State House District 161.
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 165th State House District. Akashic. https://akashic.app/sld-lower/42165/. Accessed May 20, 2026. License: CC BY 4.0.