Religious adherence is published only at the county level (U.S. Religion Census). See Bucks County.
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.
Pennsylvania 31st State House District
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Pennsylvania 31st State House DistrictHarrisD+15.2
20082024
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic
56.9%
27,464
Donald TrumpRepublican
41.8%
20,141
Jill SteinGreen
1.3%
636
D+60R+60
District boundary, filled by its own 2024 D-vs-R margin — precinct detail where available, over the 1 county it's drawn from (shown faint).
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
County-level results (1 county) — table
2024 presidential result by county for Pennsylvania 31st State House District — winner and D-vs-R margin.
County
Winner
Margin
Bucks County, PA
Republican
R+0.1
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5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
Year
Won
Democratic
Republican
Other
Margin
Total
D
56.9%Harris27,464
41.8%Trump20,141
1.3%Stein636
+15.2%
48,241
D
58.6%Biden27,956
40.6%Trump19,381
0.8%Jorgensen396
+18.0%
47,733
D
54.0%Clinton22,412
42.5%Trump17,635
3.6%Johnson1,475
+11.5%
41,522
R
48.2%Obama18,680
51.8%Romney20,094
0.0%
−3.6%
38,774
D
52.2%Obama20,775
46.9%McCain18,677
0.9%Nader347
+5.3%
39,799
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presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over time
Year
Margin (D minus R)
2008
+5.3%
2012
−3.6%
2016
+11.5%
2020
+18.0%
2024
+15.2%
DemocraticRepublican
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current representation
Current officeholders
DPerry WarrenState House · 31
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of R+53.1, this district ranks among the most politically uniform in the state, suggesting a rural or small-town constituency where statewide Democratic candidates rarely compete seriously.
Across the recorded series it reached a Democratic high of 18.0 points in 2020 and a Republican high of 3.6 points in 2012. Between 2020 and 2024 the district moved 2.8 points toward the Republican candidate; the 2024 margin was 15.2 points.
A population of 66,805, a 84% non-Hispanic-white share, and a median household income of $166,037 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 29 and State House District 150.
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Political twins — state-house districts
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Pennsylvania 31st State House District. Akashic. https://akashic.app/sld-lower/42031/. Accessed May 20, 2026. License: CC BY 4.0.
How did Pennsylvania 31st State House District vote in 2024?
In 2024, Pennsylvania 31st State House District voted Democratic by 15.2 points (D+15.2), carried by the Democratic candidate. Out of 48,241 votes cast, 27,464 went Democratic and 20,141 went Republican.
When did Pennsylvania 31st State House District last vote Republican?
The most recent presidential election in which Pennsylvania 31st State House District voted Republican was 2012.
How many people live in Pennsylvania 31st State House District?
Pennsylvania 31st State House District has a population of 66,805 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Pennsylvania 31st State House District?
Median household income in Pennsylvania 31st State House District is $166,037 — above the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Pennsylvania 31st State House District?
Akashic tracks 5 presidential elections in Pennsylvania 31st State House District from 2008 to 2024. Of those, 4 went Democratic and 1 went Republican.
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