HarrisDemocratic46.3%63,270TrumpRepublican52.8%72,096OtherAll other candidates0.9%1,215
R+6.5- Lead
- 8,826
- Total
- 136,581
- vs nation
- R+5.0
modeled Census-place estimatemodeled estimate
Akashicstate senate district
Pennsylvania 40th State Senate District
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the district’s overall result across 1892–2024, on its current boundaries.
President results by year
Modeled candidate-vote estimate on current district boundaries
BidenDemocratic49.2%65,702TrumpRepublican49.6%66,185OtherAll other candidates1.2%1,553
R+0.4- Lead
- 483
- Total
- 133,440
- vs nation
- R+4.8
modeled Census-place estimatemodeled estimate
ClintonDemocratic45.3%51,482TrumpRepublican51.0%57,973OtherAll other candidates3.8%4,291
R+5.7- Lead
- 6,491
- Total
- 113,746
- vs nation
- R+7.8
modeled Census-place estimatemodeled estimate
ObamaDemocratic54.7%56,095RomneyRepublican44.1%45,266OtherAll other candidates1.2%1,272
D+10.6- Lead
- 10,829
- Total
- 102,633
- vs nation
- D+6.7
modeled Census-place estimatemodeled estimate
ObamaDemocratic56.0%62,631McCainRepublican42.9%48,048OtherAll other candidates1.1%1,243
D+13.0- Lead
- 14,583
- Total
- 111,922
- vs nation
- D+5.8
modeled Census-place estimatemodeled estimate
KerryDemocratic48.7%48,093BushRepublican50.6%49,911OtherAll other candidates0.7%699
R+1.8- Lead
- 1,818
- Total
- 98,703
- vs nation
- D+0.6
modeled Census-place estimatemodeled estimate
GoreDemocratic48.1%40,861BushRepublican48.0%40,793OtherAll other candidates3.8%3,269
D+0.1- Lead
- 68
- Total
- 84,923
- vs nation
- R+0.4
modeled Census-place estimatemodeled estimate
ClintonDemocratic44.5%32,012DoleRepublican42.3%30,442OtherAll other candidates13.2%9,526
D+2.2- Lead
- 1,570
- Total
- 71,980
- vs nation
- R+6.3
modeled Census-place estimatemodeled estimate
Key facts
- 2024 presidential margin
- R+6.5MIT Election Lab
- Population
- 257,2212024 5-year
- Population density
- 243 / sq mi2024 5-year · TIGER/Line
- Land area
- 1,057 sq miTIGER/Line
- Median household income
- $75,7592024 5-year
- White (non-Hispanic)
- 71.2%2024 5-year
- Black
- 9.9%2024 5-year
- Hispanic / Latino
- 12.7%2024 5-year
- Peak Democratic margin
- D+40.9 in 1876MIT Election Lab
- Peak Republican margin
- R+31.6 in 1972MIT Election Lab
- Most similar
- State Senate District 22, PA · twin score 88.0
presidential history
Party record book
Pennsylvania 40th State Senate 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
Samuel J. Tilden1876
70.4%
5,277 votes · D+40.9 · modeled estimate
Runner-up · Lyndon B. Johnson, 1964 · 64.6%
Republican
Richard Nixon1972
65.2%
36,915 votes · R+31.6 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 62.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
65,702votes
49.2% of the vote · R+0.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 63,270 votes
Republican
Donald Trump2024
72,096votes
52.8% of the vote · R+6.5 · modeled estimate
Runner-up · Donald Trump, 2020 · 66,185 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
Woodrow Wilson1912
+10.6pts D vs U.S.
Place D+30.1 · U.S. D+19.5 · a third-party candidate carried the Place · modeled estimate
Runner-up · Grover Cleveland, 1892 · +8.2 pts
Republican
Herbert Hoover1932
+18.7pts R vs U.S.
Place R+0.9 · U.S. D+17.8 · modeled estimate
Runner-up · Alf Landon, 1936 · +16.9 pts
current representation
Current officeholders
RRosemary BrownState Senate · 40
State legislative officeholder from OpenStates nightly current-legislator data.
U.S. House elections · 3 House
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.
The district recorded a Republican presidential margin of R+6.5 in 2024 and D+13.0 in 2008, switching sides at least once in between. About 298,000 residents lived here, with White alone at 71.8% in the 2024 ACS 5-year.
Across the recorded series it reached a Democratic high of 40.9 points in 1876 and a Republican high of 31.6 points in 1972. Between 2020 and 2024 the district moved 6.1 points toward the Republican candidate; the 2024 margin was 6.5 points.
A population of 257,221, a 71% non-Hispanic-white share, and a median household income of $75,759 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 22 and State Senate District 20.
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 22
Pennsylvania
88.0twin score
elasticity12-yr trendItalian ancestry≠ % Catholic
State Senate District 20
Pennsylvania
84.6twin score
elasticity12-yr trendmedian age≠ Puerto Rican ancestry
State Senate District 1
New Jersey
81.3twin score
12-yr trendItalian ancestrypopulation scale≠ Polish ancestry
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Pennsylvania 40th State Senate District. Akashic. https://akashic.app/sld-upper/42040/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
Pennsylvania at the ballot boxAll elections →
Places within Pennsylvania 40th State Senate District
counties it covers3
Frequently asked questions
How did Pennsylvania 40th State Senate District vote in 2024?
In 2024, Pennsylvania 40th State Senate District voted Republican by 6.5 points (R+6.5), carried by the Republican candidate. Out of 136,581 votes cast, 63,270 went Democratic and 72,096 went Republican.
When did Pennsylvania 40th State Senate District last vote Democratic?
The most recent presidential election in which Pennsylvania 40th State Senate District voted Democratic was 2012.
How many people live in Pennsylvania 40th State Senate District?
Pennsylvania 40th State Senate District has a population of 257,221 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Pennsylvania 40th State Senate District?
Median household income in Pennsylvania 40th State Senate District is $75,759 — below the national median of $80,734. The Pennsylvania state median is $77,971.
What is the political history of Pennsylvania 40th State Senate District?
Akashic tracks 38 presidential elections in Pennsylvania 40th State Senate District from 1876 to 2024. Of those, 11 went Democratic and 26 went Republican.