Jefferson County, KY

KY · Presidential Elections 1892–2024

D+16.4
2024 Margin
R+3.7%
2020→2024 Swing
D since 1992
Voting Streak
783K
Population

Jefferson County, KY (Kentucky) voted D+16.4 for Kamala Harris (Democrat) in the 2024 presidential election, with Harris receiving 203,070 votes (57.09%) to 144,553 (40.64%) for Trump.

This represents a R+3.7% swing toward Republicans compared to 2020. Jefferson County is classified as a solid Democratic county. Jefferson County has voted Democratic in every presidential election since 1992. The county has a population of approximately 783,022.

Quick Stats

2024 ResultD+16.4
2020→2024 SwingR+3.7%
Voting StreakD since 1992
Elections on Record34

Demographics

Population783,022
Median Age
38.4(US: 38.7)
College (BA+)
37.0%(US: 35.2%)
Median Income
$69,866(US: $80k)
White (non-Hisp)
63.3%(US: 57.6%)
Hispanic
8.6%(US: 19.1%)
Black
21.6%(US: 12.2%)
Asian
3.0%(US: 5.7%)
Homeownership
62.1%(US: 64.5%)
Poverty Rate
14.3%(US: 12.3%)
Veterans
6.2%(US: 6.2%)
Non-English (CVAP)
5.7%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
Evangelical
21.0%
Catholic
14.2%
Black Protestant
7.0%(Unique Concentration)
Mainline Protestant
4.5%
LDS/Mormon
0.5%
+ 1 more traditions

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

German
15.6%(1.3x)
English
12.0%(1.4x)
Irish
12.0%(1.3x)
American Heritage
5.7%
Cuban
3.4%Major Concentration(4.6x)
Sub-Saharan African
3.1%Significant Hub(2.6x)
+ 4 more reported ancestry groups

Age Distribution

Median:38.4 yrs(US: 38.5)
Under 18
22.3%
18-29
8.4%↓
30-44
21.5%↑
45-64
30.7%↑
65+
17.1%
National average

Employment by Industry

Census ACS
Manufacturing
12.3%(1.3x US)
Professional & Technical
10.7%(0.9x US)
Retail Trade
10.5%
Educational Services
8.4%
Construction
4.8%(0.7x US)
Healthcare & Social Services
4.8%
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202457.1%(203,070)40.6%(144,553)D+16.4R+3.7
202059.1%(228,358)39.0%(150,646)D+20.1D+6.8
201654.0%(190,836)40.7%(143,768)D+13.3D+2.2
201254.7%(186,181)43.6%(148,423)D+11.1R+0.9
200855.5%(196,435)43.5%(153,957)D+12.0D+10.3
200450.4%(170,158)48.8%(164,566)D+1.7D+0.1
200049.6%(149,901)48.0%(145,052)D+1.6R+8.9
199651.5%(144,207)41.0%(114,860)D+10.5R+1.2
199249.3%(152,728)37.6%(116,566)D+11.7D+16.1
198847.6%(127,936)52.0%(139,711)R+4.4D+11.3

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

Presidential Margin Trend

Jefferson County, KY • 1892–2024

D+R++40+200-20-4018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202259.1%(164,131)40.9%(113,726)D+18.1R+3.9
202059.6%(230,750)37.6%(145,547)D+22.0D+4.1
201658.9%(207,610)41.1%(144,628)D+17.9D+4.0
201456.0%(144,761)42.1%(108,786)D+13.9D+2.7
201055.4%(143,385)44.2%(114,435)D+11.2R+0.3
200855.7%(195,564)44.3%(155,333)D+11.5R+7.7
200459.6%(198,541)40.4%(134,699)D+19.2D+37.9
200240.6%(93,394)59.3%(136,504)R+18.7R+28.1
199854.0%(115,378)44.6%(95,441)D+9.3D+14.3
199646.7%(129,501)51.7%(143,434)R+5.0R+36.4

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202370.0%(179,854)30.0%(76,908)D+40.1D+4.6
201967.0%(186,561)31.5%(87,740)D+35.5D+15.9
201558.2%(112,232)38.6%(74,427)D+19.6R+19.9
201167.0%(107,871)27.4%(44,192)D+39.5D+8.5
200765.5%(141,471)34.5%(74,542)D+31.0D+28.6
200351.2%(107,786)48.8%(102,716)D+2.4R+39.1
199963.5%(80,442)22.0%(27,844)D+41.5D+28.2
199556.3%(107,192)43.0%(81,930)D+13.3R+20.6
199166.9%(115,520)33.1%(57,062)D+33.9D+24.4
198754.7%(76,582)45.3%(63,348)D+9.5D+6.0

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

ShareShareShare

Explore More

KY ResultsBiggest Swings 2024Flipped Counties 2024Bellwether CountiesNational Swing Map