Akashic
1892–2024
Akashic
Pennsylvania 42nd State Senate District
presidential margin
2008D+24.52012D+27.22016D+28.92020D+33.72024D+33.5
full record · 2008 → 2024
D+33.5
2024
median income$74,154U.S. $80,734 · PA $77,971
median age38.8U.S. 39.1 · PA 41.2
poverty rate12.7%U.S. 12.5% · PA 11.7%
bachelor’s+ (25+)45.8%U.S. 35.6% · PA 35.2%
non-english8.5%U.S. 22.3% · PA 12.4%
race · ethnicity · ancestry
German21.7%
Irish16.5%
Italian14.1%
African American†13.7%
African0.6%
Jamaican0.4%
Asian Indian1.6%
Chinese0.9%
Filipino0.2%
Mexican1.1%
Puerto Rican0.7%
Dominican0.2%
religion

Religious adherence is published only at the county level (U.S. Religion Census). See Allegheny County.

American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024.

Pennsylvania 42nd State Senate District

Akashic
Pennsylvania 42nd State Senate DistrictHarrisD+33.5
2024
2024 presidential margin for Pennsylvania 42nd State Senate DistrictThe boundary of Pennsylvania 42nd State Senate District, filled by its 2024 presidential margin (D+33.5), over faint outlines of the counties it is drawn from.Pennsylvania 42nd State Senate District · D+33.5
How it voted
Share of the 2024 vote
Kamala Harris ✓Democratic66.0%91,266
Donald TrumpRepublican32.5%44,971
Jill SteinGreen1.5%2,110
D+60
R+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 42nd State Senate District — winner and D-vs-R margin.
CountyWinnerMargin
Allegheny County, PADemocraticD+20.2
5 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
D
66.0%Harris91,266
32.5%Trump44,971
1.5%Stein2,110
+33.5%
138,347
D
66.2%Biden92,530
32.5%Trump45,431
1.3%Jorgensen1,825
+33.7%
139,786
D
62.5%Clinton78,925
33.5%Trump42,381
4.0%Johnson5,023
+28.9%
126,329
D
63.6%Obama75,759
36.4%Romney43,339
0.0%
+27.2%
119,098
D
61.6%Obama77,944
37.1%McCain46,958
1.2%Nader1,558
+24.5%
126,460
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: +33.5% in 2024.+33.5%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+24.5%
2012+27.2%
2016+28.9%
2020+33.7%
2024+33.5%
DemocraticRepublican
current representation
Current officeholders
DWayne FontanaState Senate · 42

State legislative officeholder from OpenStates nightly current-legislator data.

Source · OpenStates current legislator CSV.

The district recorded a Democratic presidential margin of D+33.5 in 2024, compared with D+24.5 in 2008. The district had about 100,000 residents, 76.1% White alone in the 2024 ACS 5-year.

Across the recorded series it reached a Democratic high of 33.7 points in 2020. The 2024 margin was 33.5 points.

A population of 250,002, a 74% non-Hispanic-white share, and a median household income of $74,154 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 43 and State Senate District 45.

Political twins — state-senate districts

The state-senate districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

State Senate District 43
Pennsylvania
93.7twin score
elasticity2020–2024 trajectory% Catholic
State Senate District 45
Pennsylvania
89.3twin score
% Catholicelasticity% unaffiliated
State Senate District 38
Pennsylvania
87.3twin score
elasticity% Catholic12-yr trend

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 42nd State Senate District. Akashic. https://akashic.app/sld-upper/42042/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Places within Pennsylvania 42nd State Senate District

counties it covers1
Allegheny County

Frequently asked questions

How did Pennsylvania 42nd State Senate District vote in 2024?
In 2024, Pennsylvania 42nd State Senate District voted Democratic by 33.5 points (D+33.5), carried by the Democratic candidate. Out of 138,347 votes cast, 91,266 went Democratic and 44,971 went Republican.
How many people live in Pennsylvania 42nd State Senate District?
Pennsylvania 42nd State Senate District has a population of 250,002 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Pennsylvania 42nd State Senate District?
Median household income in Pennsylvania 42nd State Senate District is $74,154 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Pennsylvania 42nd State Senate District?
Akashic tracks 5 presidential elections in Pennsylvania 42nd State Senate District from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican.