How did PA-SD-15, Pennsylvania vote in the 2024 presidential election?

PA-SD-15, Pennsylvania voted Democratic in 2024 with a margin of D+11.9. Kamala D Harris received 74,797 votes and Donald Trump received 58,716 out of 135,105 total votes cast, a 3.0-point shift toward Republicans from 2020.

What is PA-SD-15, Pennsylvania's political history?

PA-SD-15, Pennsylvania has 5 presidential elections on record, spanning 2008 to 2024. It has voted Democratic in every presidential election since 2008. The largest single-election swing was 6.2 points in 2020.

What are the demographics of PA-SD-15, Pennsylvania?

PA-SD-15, Pennsylvania has a population of 259,166 according to the 2020 Census. The racial composition is 57.8% non-Hispanic white, 11.8% Hispanic, 19.5% Black.

Which places are most similar to PA-SD-15, Pennsylvania?

Based on demographic and electoral similarity analysis, the three most similar state senate districts to PA-SD-15, Pennsylvania are Massachusetts State Senate District D33, Massachusetts State Senate District D11, Indiana State Senate District 29. Similarity is computed using a vector embedding of demographic, economic, and electoral characteristics.

Pennsylvania State Senate District 15

Pennsylvania · Latest: 2024↓ R+3.0 vs 2020

Leans Democratic — 259K residents

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Similarity Explorer

Similar state senate districts

Nearest neighbors matched on the same place-page feature set used across the dossier system.

8 visible matches

Massachusetts State Senate District D33MA

Urban Competitive

D+20.0

Similarity score92%

Massachusetts State Senate District D11MA

Urban Competitive

D+10.9

Similarity score90%

Indiana State Senate District 29IN

Urban Competitive

D+14.3

Similarity score90%

New York State Senate District 39NY

Urban Competitive

D+4.1

Similarity score90%

Pennsylvania State Senate District 9PA

Urban Competitive

D+16.3

Similarity score89%

Massachusetts State Senate District D15MA

Urban Competitive

D+42.2

Similarity score89%

New York State Senate District 61NY

Urban Competitive

D+21.7

Similarity score88%

North Carolina State Senate District 32NC

Urban Competitive

D+22.3

Similarity score88%

Historian Query

Ask the Historian

Explore PA-SD-15's political evolution with the Historian

“How has Pennsylvania State Senate District 15 voted in presidential elections?”

Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.

PA-SD-15Census ACS 2024

Census race profile

Major Census race and ethnicity groups shown as a share of total population.

Expand rows for ancestry detail

White (Non-Hispanic) 57.8%Black 19.5%Hispanic 11.8%Asian 6.6%Multiracial 3.9%

Group	PA-SD-15	State	National
White (Non-Hispanic)	57.8%	73.0%	57.4%
Black / African American	19.5%	10.6%	12.2%
Hispanic / Latino	11.8%	8.7%	19.3%
Asian	6.6%	3.8%	6.0%
Multiracial / Other	3.9%	3.6%	4.0%
Native American / Alaska Native	0.3%	0.2%	0.9%

Method notes

Census treats race and Hispanic/Latino origin as separate questions. Race categories other than Hispanic reflect total populations (small Hispanic overlap in Black, Asian, AIAN, NHPI). “Multiracial / Other” is derived as a non-overlapping remainder.

Detailed ancestry data unavailable for this geography.

Who lives in Pennsylvania State Senate District 15? 259,166 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.

PA-SD-15 vs Pennsylvania vs National259K residents

Population & electorate

Scale, voting-age share, and this geography's footprint inside the national electorate.

Total population

Local vs state vs U.S.

259K

local

259KState 13.0MNational 334.9M

Share of U.S. population

Local vs state vs U.S.

0.08%

local

0.08%National 100%

Voting-age population

Local vs state vs U.S.

78.4%

local

78.4%State 76.3%National 75.7%

Economic profile

Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.

Median household income

Local vs state vs U.S.

N/A

local

N/AState $80,054National $83,960

Poverty rate

Local vs state vs U.S.

N/A

local

N/AState 11.7%National 12.5%

College degree

Local vs state vs U.S.

N/A

local

N/AState 35.2%National 35.6%

Homeownership

Local vs state vs U.S.

N/A

local

N/AState 69.3%National 65.2%

Community profile

Age structure, language use, and nativity signals that explain how this geography differs from state and nation.

Median age

Local vs state vs U.S.

N/A

local

N/AState 41.2 yrsNational 39.1 yrs

Age 18–29

Local vs state vs U.S.

N/A

local

N/AState 15.2%National 15.7%

Age 65+

Local vs state vs U.S.

N/A

local

N/AState 19.5%National 17.0%

Foreign born

Local vs state vs U.S.

N/A

local

N/AState 7.7%National 14.1%

Non-English at home

Local vs state vs U.S.

N/A

local

N/AState 12.4%National 22.2%

English only

Local vs state vs U.S.

N/A

local

N/AState 87.6%National 77.8%

Voter Turnout

Turnout in PA-SD-15

Estimated using 2020 Census voting-age population.

2024 Turnout

66.5%

vs Previous

+0.8pp

Voting-Age Pop

203,095

History

2008–2024

Competitiveness

How competitive is PA-SD-15?

Likely DAvg margin: D+11.8 (last 3 elections)

2008

D+13.0

2012

D+10.1

2016

D+8.6

2020

D+14.9

2024

D+11.9

Elasticity

6.2pp

margin range

Party Flips

last 30 years

5-Elec Avg

D+11.7

Other Pennsylvania State Senate Districts

49 total

Name	Margin ↓
PA-SD-03	D+78.9
PA-SD-07	D+69.1
PA-SD-04	D+67.3
PA-SD-08	D+66.4
PA-SD-01	D+60.0
PA-SD-43	D+55.3
PA-SD-17	D+39.0
PA-SD-02	D+38.9
PA-SD-42	D+33.5
PA-SD-26	D+19.4
PA-SD-19	D+17.6
PA-SD-09	D+16.3
PA-SD-12	D+15.9
PA-SD-44	D+10.5
PA-SD-38	D+10.2
PA-SD-10	D+10.1
PA-SD-45	D+6.9
PA-SD-18	D+5.0
PA-SD-22	D+4.1
PA-SD-11	D+2.3
PA-SD-14	D+0.8
PA-SD-49	D+0.4
PA-SD-05	R+0.9
PA-SD-37	R+1.1
PA-SD-24	R+2.2

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