Jefferson County, Pennsylvania: Deep Red Country

Pennsylvania · Presidential Elections 1892–2024

R+58.4

2024 Margin

D+0.5%

2020→2024 Swing

R since 1968

Voting Streak

44K

Population

Jefferson County, Pennsylvania voted R+58.4 for Donald Trump in 2024, with Trump receiving 18,235 votes (78.66%). This represented a D+0.5% swing toward Democrats compared to 2020. The county has voted Republican in every presidential election since 1968.

Quick Stats

2024 ResultR+58.4

2020→2024 SwingD+0.5%

Voting StreakR since 1968

Elections on Record34

Demographics

Population44,492

Median Age

43.7(US: 38.4)

College (BA+)

17.5%(US: 34.6%)

Median Income

$56,607(US: $78k)

White (non-Hisp)

96.0%(US: 57.5%)

Homeownership

74.2%(US: 64.2%)

Poverty Rate

15.3%(US: 12.4%)

Veterans

8.1%(US: 6.4%)

Non-English (CVAP)

3.4%(US: 17.1%)

Community Profile

Religious Composition

Source: Religion Census 2020

Mainline Protestant

18.7%(+13.5 vs US)

Catholic

14.2%(-4.5 vs US)

Evangelical

13.0%(-3.5 vs US)

LDS/Mormon

0.5%(-1.5 vs US)

Black Protestant

0.3%(-1.9 vs US)

Age Distribution

Median:43.7 yrs(US: 38.5)

Under 18

21.4%

18-29

7.2%↓

30-44

17.2%

45-64

32.5%↑

65+

21.7%↑

National average

Employment by Industry

Source: Census ACS

ManufacturingVery high

18.9%

Retail Trade

11.4%

ConstructionAbove avg

8.4%

EducationBelow avg

6.9%

HealthcareVery low

6.4%

Professional ServicesVery low

5.5%

Political relevance:

Manufacturing: Trade policy sensitiveHealthcare: ACA debatesProfessional Services: College-educated base

+ 1 more industries

Presidential Elections

Presidential Results

Year	Democrat	Republican	Margin	Swing
2024	20.3%(4,707)	78.7%(18,235)	R+58.4	D+0.5
2020	19.8%(4,527)	78.7%(17,960)	R+58.9	D+0.0
2016	18.6%(3,650)	77.5%(15,192)	R+58.9	R+13.4
2012	26.3%(4,787)	71.8%(13,048)	R+45.5	R+15.6
2008	34.3%(6,447)	64.1%(12,057)	R+29.8	D+7.5
2004	31.1%(6,073)	68.4%(13,371)	R+37.3	R+3.7
2000	31.6%(5,566)	65.2%(11,473)	R+33.6	R+19.6
1996	35.5%(5,846)	49.6%(8,156)	R+14.0	R+6.8
1992	33.9%(5,998)	41.0%(7,271)	R+7.2	D+14.6
1988	38.7%(6,235)	60.5%(9,743)	R+21.8	D+9.2

Source: Official state election returns via MIT Election Data + Science Lab

Senate Elections

Senate Results

Year	Democrat	Republican	Margin	Swing
2024	20.9%(4,834)	76.3%(17,618)	R+55.4	R+4.8
2022	23.3%(4,135)	73.9%(13,139)	R+50.6	R+9.3
2018	28.5%(4,437)	69.8%(10,872)	R+41.3	D+8.1
2016	21.5%(4,160)	71.0%(13,706)	R+49.4	R+5.7
2012	27.0%(4,878)	70.7%(12,780)	R+43.7	R+2.5
2010	29.4%(3,882)	70.6%(9,326)	R+41.2	R+32.0
2006	45.4%(6,424)	54.6%(7,731)	R+9.2	D+24.6
2004	27.6%(5,294)	61.5%(11,782)	R+33.9	D+0.9
2000	31.0%(5,361)	65.8%(11,370)	R+34.8	R+1.3
1998	30.8%(3,433)	64.3%(7,161)	R+33.5	R+7.8

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

Year	Democrat	Republican	Margin	Swing
2022	28.3%(5,038)	69.8%(12,433)	R+41.5	D+1.9
2018	27.5%(4,277)	70.9%(11,036)	R+43.4	R+17.3
2014	37.0%(4,375)	63.0%(7,458)	R+26.1	D+23.1
2010	25.4%(3,420)	74.5%(10,017)	R+49.1	R+25.3
2006	38.1%(5,402)	61.9%(8,774)	R+23.8	D+13.9
2002	30.0%(3,879)	67.7%(8,745)	R+37.6	R+1.7
1998	22.1%(2,473)	58.1%(6,493)	R+36.0	R+13.1
1994	30.1%(4,063)	52.9%(7,151)	R+22.9	R+57.8
1990	67.4%(8,117)	32.6%(3,918)	D+34.9	D+36.5
1986	48.8%(6,947)	50.4%(7,171)	R+1.6	D+8.8

Source: Official state election returns via MIT Election Data + Science Lab

Primary Election History

Primary Results

Year	Party	Winner	Runner-up	Nominee?
2020	Dem	Joe Biden(62.9%)	Other(16.2%)	✓
2016	Dem	Bernie Sanders(53.0%)	Hillary Clinton(43.9%)	✗
2016	GOP	Donald Trump(66.3%)	Ted Cruz(19.1%)	✓
2008	Dem	Hillary Clinton(62.3%)	Barack Obama(36.1%)	✗