Jefferson, Pennsylvania — Presidential Election Results

Jefferson, Pennsylvania has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 57.2 pts more Rep. than Pennsylvania overall.

Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024

Full Election History, 2000–2024

Year Winner Party Votes Vote Share Margin Total Votes Cast Swing Vs. Pennsylvania
2000 George W. Bush Republican 11,473 65.3% 33.6 pts (5,907 votes) 17,574 — 39.0 pts more Rep.
2004 George W. Bush Republican 13,371 68.4% 37.3 pts (7,298 votes) 19,560 -2.9 pts 40.0 pts more Rep.
2008 John McCain Republican 12,057 64.1% 29.8 pts (5,610 votes) 18,801 +7.2 pts 40.7 pts more Rep.
2012 Mitt Romney Republican 13,048 72.1% 45.6 pts (8,261 votes) 18,097 -16.0 pts 51.8 pts more Rep.
2016 Donald Trump Republican 15,192 78.0% 59.3 pts (11,542 votes) 19,478 -14.9 pts 60.5 pts more Rep.
2020 Donald J Trump Republican 17,960 78.7% 58.9 pts (13,433 votes) 22,824 +1.5 pts 60.9 pts more Rep.
2024 Donald J Trump Republican 18,235 78.8% 58.5 pts (13,528 votes) 23,129 +0.8 pts 57.2 pts more Rep.

Population Context

Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.

Year County Population Votes Cast (% of Population)
2000 45,872 38.3% of population
2004 45,418 43.1% of population
2008 45,260 41.5% of population
2012 44,806 40.4% of population
2016 44,031 44.2% of population
2020 44,480 51.3% of population
2024 43,367 53.3% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Jefferson shifted 24.3 points toward the Republican candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.

Margin Over Time

Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.

2000: R+34.7 pts 2004: R+37.5 pts 2008: R+30.3 pts 2012: R+46.3 pts 2016: R+61.3 pts 2020: R+59.7 pts 2024: R+59.0 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Jefferson has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Pennsylvania's own statewide winner in 2 of 7 (29%). Compare every county on the bellwether counties page.

Related Pages

Other Pennsylvania Counties

Frequently Asked Questions

How has Jefferson voted in presidential elections since 2000?

Since 2000, Jefferson has voted Democratic in 0 of 7 recorded presidential elections and Republican in 7 of 7, based on county-level returns through 2024.

What was the closest presidential election in Jefferson?

Jefferson's closest recorded margin was in 2008, when John McCain (Republican) won by 30.3 points (5,610 votes) out of 18,801 total votes cast.

Has Jefferson ever flipped between parties?

Not in the 2000-2024 record on this page -- Jefferson has voted for the same party in every recorded presidential election in that span.

What is the largest presidential election margin recorded in Jefferson?

The widest margin on record for Jefferson was in 2016, when Donald Trump (Republican) won by 61.3 points.

How many votes were cast in Jefferson relative to its population?

In 2024, 23,129 votes were recorded in Jefferson against a total population of 43,367 (53.3% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.

Is Jefferson a presidential bellwether county?

Jefferson has matched the national popular winner in 4 of the last 7 presidential elections (57%), and Pennsylvania's own statewide winner in 2 of 7 (29%).