Akashic
1892–2024
Akashic
Louisville/Jefferson County, KY-IN
presidential margin
2008R+0.42012R+2.82016R+6.82020R+2.12024R+6.6
full record · 1892 → 2024
R+6.6
2024
median income$75,127U.S. $80,734 · KY $71,957
median age39.4U.S. 39.1
poverty rate12.3%U.S. 12.5%
bachelor’s+ (25+)33.0%U.S. 35.6%
non-english9.3%U.S. 22.3%
race · ethnicity · ancestry
German16.6%
English13.3%
Irish12.5%
African American†11.6%
African1.1%
Mexican2.7%
Cuban2.1%
Puerto Rican0.6%
Asian Indian0.6%
Vietnamese0.3%
Chinese0.2%
religion
other traditions
Mainline4.9%
Black Protestant4.3%
Muslim0.9%
Latter-day Saints0.8%
American Community Survey 2024 5-year (income, age, poverty, education, language, race, ancestry) · presidential returns from MIT Election Lab through 2024 · 2020 U.S. Religion Census (ASARB) — congregational adherents, unaffiliated is the unclaimed remainder.

Louisville/Jefferson County, KY-IN, Kentucky

Akashic
Louisville/Jefferson County, KY-INTrumpR+6.6
—
2024 presidential margin by county for Louisville/Jefferson County, KY-IN, KYA map of the constituent counties of Louisville/Jefferson County, KY-IN, KY, each outlined and filled by its 2024 presidential margin from deep red (Republican) through neutral to deep blue (Democratic), seated within the faint outlines of the surrounding states.Clark County, IN · R+20.3Floyd County, IN · R+15.5Harrison County, IN · R+46.9Washington County, IN · R+54.8Bullitt County, KY · R+51.0Henry County, KY · R+52.5Jefferson County, KY · D+16.5Meade County, KY · R+52.0Nelson County, KY · R+41.7Oldham County, KY · R+22.6Shelby County, KY · R+34.7Spencer County, KY · R+56.7
How it voted
Share of the 2024 vote
Donald Trump ✓Republican52.4%340,646
Kamala HarrisDemocratic45.8%297,472
Robert F. Kennedy Jr.Independent1.8%11,508
D+60
R+60
12 counties, each filled by 2024 D-vs-R margin. Hover any county for its result.
County-level results (12 counties) — table
2024 presidential result by county for Louisville/Jefferson County, KY-IN, KY — winner and D-vs-R margin.
CountyWinnerMargin
Bullitt County, KYRepublicanR+51.0
Clark County, INRepublicanR+20.3
Floyd County, INRepublicanR+15.5
Harrison County, INRepublicanR+46.9
Henry County, KYRepublicanR+52.5
Jefferson County, KYDemocraticD+16.5
Meade County, KYRepublicanR+52.0
Nelson County, KYRepublicanR+41.7
Oldham County, KYRepublicanR+22.6
Shelby County, KYRepublicanR+34.7
Spencer County, KYRepublicanR+56.7
Washington County, INRepublicanR+54.8
34 presidential elections
Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
45.8%Harris297,472
52.4%Trump340,646
1.8%Kennedy11,508
−6.6%
649,626
R
48.0%Biden325,715
50.1%Trump340,278
1.9%Jorgensen12,626
−2.1%
678,619
R
44.0%Clinton268,986
50.7%Trump310,450
5.3%Johnson32,361
−6.8%
611,797
R
47.7%Obama274,973
50.5%Romney291,144
1.8%Johnson10,169
−2.8%
576,286
R
49.2%Obama290,790
49.6%McCain293,149
1.1%Nader6,503
−0.4%
590,442
R
44.8%Kerry248,697
54.4%Bush302,234
0.8%Nader4,243
−9.6%
555,174
R
45.9%Gore221,629
51.9%Bush250,663
2.2%Nader10,644
−6.0%
482,936
D
49.0%Clinton216,794
42.4%Dole187,573
8.6%Perot38,073
+6.6%
442,440
D
47.3%Clinton223,944
38.4%Bush181,916
14.3%Perot67,482
+8.9%
473,342
R
46.1%Dukakis187,187
53.5%Bush217,197
0.4%Duke1,678
−7.4%
406,062
R
40.8%Mondale175,934
58.7%Reagan252,834
0.5%Mason1,949
−17.9%
430,717
R
47.3%Carter186,786
48.3%Reagan190,859
4.4%Anderson17,557
−1.0%
395,202
D
49.8%Carter186,200
48.1%Ford179,701
2.2%Anderson8,077
+1.7%
373,978
R
37.9%McGovern127,987
60.1%Nixon202,890
1.9%Schmitz6,439
−22.2%
337,316
R
41.0%Humphrey133,068
41.9%Nixon135,931
17.0%Wallace55,170
−0.9%
324,169
D
65.5%Johnson214,961
34.1%Goldwater111,913
0.4%Hass1,320
+31.4%
328,194
D
50.4%Kennedy171,678
49.6%Nixon168,971
0.1%Byrd216
+0.8%
340,865
R
43.4%Stevenson129,539
56.1%Eisenhower167,564
0.5%Andrews1,509
−12.7%
298,612
R
47.2%Stevenson129,910
52.3%Eisenhower143,910
0.6%Hallinan1,595
−5.1%
275,415
D
53.1%Truman118,191
45.0%Dewey100,286
1.9%Thurmond4,283
+8.0%
222,760
D
57.3%Roosevelt127,662
42.3%Dewey94,199
0.4%Thomas932
+15.0%
222,793
D
59.5%Roosevelt144,811
40.1%Willkie97,656
0.3%Thomas764
+19.4%
243,231
D
61.4%Roosevelt136,715
36.5%Landon81,287
2.1%Lemke4,787
+24.9%
222,789
D
56.1%Roosevelt126,590
42.9%Hoover96,833
1.1%Thomas2,372
+13.2%
225,795
R
41.8%Smith101,130
58.0%Hoover140,370
0.2%Thomas590
−16.2%
242,090
R
47.1%Davis89,071
49.1%Coolidge92,705
3.8%La Follette7,175
−1.9%
188,951
R
49.2%Cox102,901
49.7%Harding103,848
1.1%Debs2,211
−0.5%
208,960
D
53.2%Wilson54,753
45.0%Hughes46,289
1.8%Benson1,873
+8.2%
102,915
D
49.9%Wilson46,681
11.1%Taft10,368
39.1%Roosevelt36,578
+38.8%
93,627
D
51.8%Bryan52,139
45.8%Taft46,106
2.4%Debs2,400
+6.0%
100,645
D
51.6%Parker46,072
45.2%Roosevelt40,355
3.3%Debs2,916
+6.4%
89,343
D
50.8%Bryan47,315
48.2%McKinley44,923
1.0%Woolley968
+2.6%
93,206
R
44.1%Bryan40,926
53.5%McKinley49,631
2.5%Palmer2,295
−9.4%
92,852
D
58.1%Cleveland43,374
38.0%Harrison28,347
3.9%Weaver2,904
+20.1%
74,625
presidential history
Presidential margin, 1892–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 1892 to 2024. Most recent: −6.6% in 2024.flipped R · 2000−6.6%DR18922024
Presidential margin over time
YearMargin (D minus R)
1892+20.1%
1896−9.4%
1900+2.6%
1904+6.4%
1908+6.0%
1912+38.8%
1916+8.2%
1920−0.5%
1924−1.9%
1928−16.2%
1932+13.2%
1936+24.9%
1940+19.4%
1944+15.0%
1948+8.0%
1952−5.1%
1956−12.7%
1960+0.8%
1964+31.4%
1968−0.9%
1972−22.2%
1976+1.7%
1980−1.0%
1984−17.9%
1988−7.4%
1992+8.9%
1996+6.6%
2000−6.0%
2004−9.6%
2008−0.4%
2012−2.8%
2016−6.8%
2020−2.1%
2024−6.6%
DemocraticRepublican
voter registration
Registered voters
By party of registration, over time
Voter registration in Louisville/Jefferson County, KY-INTotal registered voters, 2016–2024. Latest 1,094,055 in 2024.273.5K547K820.5K1.1M1.1M20162024
Registered voters

† Some years predate full county coverage; a flagged year sums only the counties reporting it.

Voter registration in Louisville/Jefferson County, KY-IN
YearTotal registered
2016 (partial)205,247
2018 (partial)193,036
2020 (partial)203,978
2022 (partial)209,915
20241,094,055
Source: State election authorities

Louisville's Jefferson County votes Democratic by wide margins, making it one of Kentucky's few population centers that consistently offsets surrounding rural Republican strongholds—though not enough to swing statewide outcomes.

Across the recorded series it reached a Democratic high of 38.8 points in 1912 and a Republican high of 22.2 points in 1972. Between 2020 and 2024 the metro moved 4.5 points toward the Republican candidate; the 2024 margin was 6.6 points.

A population of 1,372,558, a 72% non-Hispanic-white share, and a median household income of $75,127 describe the metro. The metro's voting pattern over the last decade is most similar to that of Kansas City, MO-KS and Columbus, OH.

Political twins — metros

The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Kansas City, MO-KS
94.4twin score
population scale2016–2024 trajectory
Columbus, OH
92.0twin score
population scale2020–2024 trajectory12-yr trend
St. Louis, MO-IL
89.4twin score
population scale2016–2024 trajectory

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Louisville/Jefferson County, KY-IN, Kentucky. Akashic. https://akashic.app/cbsa/31140/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Louisville/Jefferson County, KY-IN

counties12
Bullitt CountyClark CountyFloyd CountyHarrison CountyHenry CountyJefferson CountyMeade CountyNelson CountyOldham CountyShelby CountySpencer CountyWashington County

Frequently asked questions

How did Louisville/Jefferson County, KY-IN, Kentucky vote in 2024?
In 2024, Louisville/Jefferson County, KY-IN, Kentucky voted Republican by 6.6 points (R+6.6), carried by the Republican candidate. Out of 649,626 votes cast, 297,472 went Democratic and 340,646 went Republican.
When did Louisville/Jefferson County, KY-IN, Kentucky last vote Democratic?
The most recent presidential election in which Louisville/Jefferson County, KY-IN, Kentucky voted Democratic was 1996.
How many people live in Louisville/Jefferson County, KY-IN, Kentucky?
Louisville/Jefferson County, KY-IN, Kentucky has a population of 1,372,558 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Louisville/Jefferson County, KY-IN, Kentucky?
Median household income in Louisville/Jefferson County, KY-IN, Kentucky is $75,127 — below the national median of $80,734. The Kentucky state median is $71,957.
What is the political history of Louisville/Jefferson County, KY-IN, Kentucky?
Akashic tracks 34 presidential elections in Louisville/Jefferson County, KY-IN, Kentucky from 1892 to 2024. Of those, 16 went Democratic and 18 went Republican.