Jefferson, Ohio — Presidential Election Results

Jefferson, Ohio has voted Republican in 4 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Republican in 2012. In 2024, it was 33.1 pts more Rep. than Ohio 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. Ohio
2000 Al Gore Democratic 17,488 50.5% 7.1 pts (2,450 votes) 34,636 — 11.2 pts more Dem.
2004 John Kerry Democratic 19,019 52.3% 5.0 pts (1,835 votes) 36,366 -2.5 pts 7.2 pts more Dem.
2008 Barack Obama Democratic 17,635 49.1% 0.2 pts (76 votes) 35,939 -4.9 pts 4.4 pts more Rep.
2012 Mitt Romney Republican 17,034 51.5% 5.0 pts (1,649 votes) 33,069 -5.3 pts 8.1 pts more Rep.
2016 Donald Trump Republican 21,117 65.6% 35.5 pts (11,442 votes) 32,201 -32.1 pts 28.6 pts more Rep.
2020 Donald J Trump Republican 22,828 68.4% 38.4 pts (12,810 votes) 33,362 -1.8 pts 30.8 pts more Rep.
2024 Donald J Trump Republican 22,317 71.4% 43.9 pts (13,725 votes) 31,267 -5.4 pts 33.1 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 73,663 47.0% of population
2004 71,774 50.7% of population
2008 69,989 51.3% of population
2012 68,538 48.2% of population
2016 66,944 48.1% of population
2020 65,186 51.2% of population
2024 63,900 48.9% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Jefferson shifted 51.9 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: D+7.5 pts 2004: D+5.1 pts 2008: D+0.2 pts 2012: R+5.1 pts 2016: R+37.2 pts 2020: R+39.0 pts 2024: R+44.4 pts 2000 2004 2008 2012 2016 2020 2024

Bellwether Status

Jefferson has matched the national popular winner in 3 of the last 7 presidential elections (43%), and Ohio's own statewide winner in 4 of 7 (57%). Compare every county on the bellwether counties page.

Related Pages

Other Ohio Counties

Frequently Asked Questions

How has Jefferson voted in presidential elections since 2000?

Since 2000, Jefferson has voted Democratic in 3 of 7 recorded presidential elections and Republican in 4 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 Barack Obama (Democratic) won by 0.2 points (76 votes) out of 35,939 total votes cast.

Has Jefferson ever flipped between parties?

Yes. Jefferson changed which party won the county in: 2012, based on the 2000-2024 record on this page.

What is the largest presidential election margin recorded in Jefferson?

The widest margin on record for Jefferson was in 2024, when Donald J Trump (Republican) won by 44.4 points.

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

In 2024, 31,267 votes were recorded in Jefferson against a total population of 63,900 (48.9% 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 3 of the last 7 presidential elections (43%), and Ohio's own statewide winner in 4 of 7 (57%).