- Lead
- 12,852
- Total
- 33,809
- vs nation
- R+36.5
Pennsylvania 171st State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 12,340
- Total
- 32,963
- vs nation
- R+41.9
- Lead
- 11,203
- Total
- 28,507
- vs nation
- R+41.4
- Lead
- 9,453
- Total
- 25,613
- vs nation
- R+40.8
- Lead
- 6,684
- Total
- 26,292
- vs nation
- R+32.7
- Lead
- 9,172
- Total
- 24,886
- vs nation
- R+34.4
- Lead
- 7,035
- Total
- 20,637
- vs nation
- R+34.6
- Lead
- 3,648
- Total
- 19,033
- vs nation
- R+27.7
Key facts
- 2024 presidential margin
- R+38.0MIT Election Lab
- Population
- 65,4432024 5-year
- Population density
- 100 / sq mi2024 5-year · TIGER/Line
- Land area
- 657 sq miTIGER/Line
- Median household income
- $67,4442024 5-year
- White (non-Hispanic)
- 93.7%2024 5-year
- Black
- 0.9%2024 5-year
- Hispanic / Latino
- 2.0%2024 5-year
- Peak Democratic margin
- D+12.4 in 1912MIT Election Lab
- Peak Republican margin
- R+74.7 in 1928MIT Election Lab
- Most similar
- State House District 80, PA · twin score 95.5
presidential history
Party record book
Pennsylvania 171st 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
55.3%
8,381 votes · D+11.1 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · 52.4%
Republican
Herbert Hoover1928
87.0%
9,394 votes · R+74.7 · modeled estimate
Runner-up · Richard Nixon, 1972 · 72.9%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
10,324votes
30.5% of the vote · R+38.0 · modeled estimate
Runner-up · Joe Biden, 2020 · 10,118 votes
Republican
Donald Trump2024
23,176votes
68.5% of the vote · R+38.0 · modeled estimate
Runner-up · Donald Trump, 2020 · 22,458 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
James M. Cox1920
−5.5pts D vs U.S.
Place R+31.7 · U.S. R+26.2 · modeled estimate
Runner-up · Woodrow Wilson, 1912 · −7.1 pts
Republican
Herbert Hoover1928
+57.2pts R vs U.S.
Place R+74.7 · U.S. R+17.5 · modeled estimate
Runner-up · Richard Nixon, 1960 · +45.4 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 R+37.9, District 171 ranks among the most reliably Republican constituencies in Pennsylvania's lower chamber, suggesting a rural or exurban electorate with limited recent competitive pressure.
Across the recorded series it reached a Democratic high of 12.4 points in 1912 and a Republican high of 74.7 points in 1928. Between 2020 and 2024 the district moved 0.6 points toward the Republican candidate; the 2024 margin was 38.0 points.
A population of 65,443, a 94% non-Hispanic-white share, and a median household income of $67,444 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 80 and State House District 84.
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 171st State House District. Akashic. https://akashic.app/sld-lower/42171/. Accessed May 20, 2026. License: CC BY 4.0.