Jefferson, Kentucky — Presidential Election Results
Jefferson, Kentucky has voted Democratic in 7 of the last 7 presidential elections on record (2000–2024). In 2024, it was 47.9 pts more Dem. than Kentucky 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. Kentucky |
|---|---|---|---|---|---|---|---|---|
| 2000 | Al Gore | Democratic | 149,901 | 49.6% | 1.6 pts (4,849 votes) | 302,362 | — | 17.1 pts more Dem. |
| 2004 | John Kerry | Democratic | 170,158 | 50.4% | 1.7 pts (5,592 votes) | 337,350 | +0.0 pts | 21.7 pts more Dem. |
| 2008 | Barack Obama | Democratic | 196,435 | 55.5% | 12.0 pts (42,478 votes) | 353,892 | +10.5 pts | 28.6 pts more Dem. |
| 2012 | Barack Obama | Democratic | 186,181 | 54.8% | 11.1 pts (37,758 votes) | 339,579 | -0.8 pts | 34.4 pts more Dem. |
| 2016 | Hillary Clinton | Democratic | 190,836 | 54.0% | 13.3 pts (47,068 votes) | 353,099 | +2.8 pts | 45.4 pts more Dem. |
| 2020 | Joseph R Biden Jr | Democratic | 228,288 | 59.1% | 20.1 pts (77,669 votes) | 386,093 | +6.4 pts | 46.9 pts more Dem. |
| 2024 | Kamala D Harris | Democratic | 203,070 | 57.3% | 16.5 pts (58,517 votes) | 354,094 | -3.7 pts | 47.9 pts more Dem. |
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 | 694,399 | 43.5% of population |
| 2004 | 706,828 | 47.7% of population |
| 2008 | 730,194 | 48.5% of population |
| 2012 | 751,629 | 45.2% of population |
| 2016 | 767,464 | 46.0% of population |
| 2020 | 782,896 | 49.3% of population |
| 2024 | 793,881 | 44.6% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Jefferson shifted 15.2 points toward the Democratic 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.
Bellwether Status
Jefferson has matched the national popular winner in 3 of the last 7 presidential elections (43%), and Kentucky's own statewide winner in 0 of 7 (0%). Compare every county on the bellwether counties page.
Related Pages
Other Kentucky Counties
Frequently Asked Questions
How has Jefferson voted in presidential elections since 2000?
Since 2000, Jefferson has voted Democratic in 7 of 7 recorded presidential elections and Republican in 0 of 7, based on county-level returns through 2024.
What was the closest presidential election in Jefferson?
Jefferson's closest recorded margin was in 2000, when Al Gore (Democratic) won by 1.6 points (4,849 votes) out of 302,362 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 2020, when Joseph R Biden Jr (Democratic) won by 20.5 points.
How many votes were cast in Jefferson relative to its population?
In 2024, 354,094 votes were recorded in Jefferson against a total population of 793,881 (44.6% 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 Kentucky's own statewide winner in 0 of 7 (0%).