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Pennsylvania State Senate District 12

Pennsylvania State Senate District 12

Pennsylvania · Latest: 2024↓ R+7.5 vs 2020

Safe Democratic — shifted 7.5pp toward Republicans in 2024 — 264K residents

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Pennsylvania State Senate District 12 is a state senate district that has a population of 263,546. In the 2024 presidential election, it voted Democratic with a margin of D+15.9. Akashic Edge tracks 5 presidential elections here, dating back to 2008.

Pennsylvania State Senate District 12 Presidential Election Results, 2008–2024
YearDem %Rep %MarginSwing
202457.4%41.5%D+15.9R+7.5
2020*61.2%37.8%D+23.4D+9.3
2016*55.2%41.1%D+14.1D+8.9
2012*52.6%47.4%D+5.2R+6.6
2008*55.5%43.6%D+11.8—

* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.

Political Identity

What defines PA-SD-12?

It has a working-class electorate (0% college-educated) — a demographic increasingly aligned with Republicans nationwide.

Similarity Explorer

Similar state senate districts

Nearest neighbors matched on the same place-page feature set used across the dossier system.
8 visible matches
Historian Query

Ask the Historian

Explore PA-SD-12's political evolution with the Historian
Automated Readout

Key Insights

High-confidence patterns distilled from this geography's election history.
  • Has voted Democratic in the last 5 presidential elections
  • Turnout decreased by 47.3 percentage points since the previous presidential election
  • Swung 7.5 points toward Republican between 2020 and 2024
Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
PA-SD-12Census 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) 74.5%Asian 11.0%Black 5.7%Hispanic 5.3%Multiracial 3.4%
GroupPA-SD-12StateNational
White (Non-Hispanic)
74.5%73.0%57.4%
Asian
11.0%3.8%6.0%
Black / African American
5.7%10.6%12.2%
Hispanic / Latino
5.3%8.7%19.3%
Multiracial / Other
3.4%3.6%4.0%
Native American / Alaska Native
0.2%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 12? 263,546 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-12 vs Pennsylvania vs National264K residents
Population & electorate

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

Total population
Local vs state vs U.S.
264K
local
264KState 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.
78.9%
local
78.9%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-12

Estimated using 2020 Census voting-age population.
2024 Turnout
79.4%
vs Previous
-47.3pp
Voting-Age Pop
208,067
History
2008–2024
Competitiveness

How competitive is PA-SD-12?

Safe DAvg margin: D+17.8 (last 3 elections)
2008
D+11.8
2012
D+5.2
2016
D+14.1
2020
D+23.4
2024
D+15.9
Elasticity
18.2pp
margin range
Party Flips
0
last 30 years
5-Elec Avg
D+14.1

Other Pennsylvania State Senate Districts

49 total
NameMargin ↓
PA-SD-03D+78.9
PA-SD-07D+69.1
PA-SD-04D+67.3
PA-SD-08D+66.4
PA-SD-01D+60.0
PA-SD-43D+55.3
PA-SD-17D+39.0
PA-SD-02D+38.9
PA-SD-42D+33.5
PA-SD-26D+19.4
PA-SD-19D+17.6
PA-SD-09D+16.3
PA-SD-15D+11.9
PA-SD-44D+10.5
PA-SD-38D+10.2
PA-SD-10D+10.1
PA-SD-45D+6.9
PA-SD-18D+5.0
PA-SD-22D+4.1
PA-SD-11D+2.3
PA-SD-14D+0.8
PA-SD-49D+0.4
PA-SD-05R+0.9
PA-SD-37R+1.1
PA-SD-24R+2.2
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