Jefferson, Kansas — Presidential Election Results

Jefferson, Kansas has voted Republican in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 21.3 pts more Rep. than Kansas 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. Kansas
2000 George W. Bush Republican 4,423 56.2% 18.1 pts (1,423 votes) 7,877 — 2.7 pts more Dem.
2004 George W. Bush Republican 5,408 61.5% 24.5 pts (2,155 votes) 8,793 -5.7 pts 0.9 pts more Dem.
2008 John McCain Republican 5,220 58.3% 18.7 pts (1,678 votes) 8,950 +5.7 pts 3.9 pts more Rep.
2012 Mitt Romney Republican 4,827 60.2% 23.1 pts (1,850 votes) 8,013 -4.6 pts 1.6 pts more Rep.
2016 Donald Trump Republican 5,213 62.5% 32.3 pts (2,695 votes) 8,337 -11.2 pts 12.6 pts more Rep.
2020 Donald J Trump Republican 6,334 64.8% 32.1 pts (3,140 votes) 9,782 +1.9 pts 18.0 pts more Rep.
2024 Donald J Trump Republican 6,694 67.4% 36.9 pts (3,664 votes) 9,927 -4.7 pts 21.3 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 18,553 42.5% of population
2004 19,042 46.2% of population
2008 19,072 46.9% of population
2012 18,861 42.5% of population
2016 18,824 44.3% of population
2020 18,325 53.4% of population
2024 18,332 54.2% of population

Trend

Between 2000 and 2024, the two-party presidential margin in Jefferson shifted 18.5 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+19.2 pts 2004: R+24.9 pts 2008: R+19.2 pts 2012: R+23.7 pts 2016: R+34.9 pts 2020: R+33.0 pts 2024: R+37.7 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 Kansas's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.

Related Pages

Other Kansas 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 19.2 points (1,678 votes) out of 8,950 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 2024, when Donald J Trump (Republican) won by 37.7 points.

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

In 2024, 9,927 votes were recorded in Jefferson against a total population of 18,332 (54.2% 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 Kansas's own statewide winner in 7 of 7 (100%).