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Jefferson County, KY


Metropolitan Statistical Area: Louisville/Jefferson County, KY-IN
Designated Market Area: Louisville, KY-IN
American Communities Project County Type (2023): Big Cities

Places in Jefferson County, KY     [Sort places by name]

 

Tracts in Jefferson County, KY

   



Click here to view demographic data for Jefferson County, KY

2022 population: 773,399   ( 32,303 from 2010 , 9,557 from 2020)
Land area: 380.8 square miles
Population density: 2031.0 persons per square mile

2022 Census data
White:496,927 64.25% 4.9%
Black:175,15722.65% 14.9%
Indian:8600.11% 42.4%
Asian:26,3603.41% 59.0%
2+ races:20,7952.69% 46.2%
Hispanic:53,3006.89% 63.8%
Total non-White:276,47235.75% 26.5%

2020-2022 ComponentsNumberRate
Births:21,188 13.5
Deaths:22,04714.1
Net Migration: -11,800-7.5
Net Immigration: 2,8951.8
Change in White population:-25,634 -3.5
Change in Non-White pop.:57,937 7.8



Historical Presidential Election Results for Jefferson County, KY

Recent Trends
VotesΔ MarginSwing %
2020 vs. 2016 R +6,878 D +30,644 D + 6.4%
D +37,522
2020 vs. 2012 R +2,223 D +39,954 D + 9.2%
D +42,177
2020 vs. 2008 R -3,311 D +35,234 D + 8.4%
D +31,923
2016 vs. 2008 R -10,189 D +4,590 D + 1.9%
D -5,599
How to interpret this table


Click on the Year to view county-level data for that election.

YearTurnout WinnerRunner-Up OtherTotal Votes Diff
(St) 		Diff
(US) 		PSV
2020 64% Joe Biden (D) 228,358 58.9% Donald Trump* (R) 150,646 38.8% 8,866 [+] 2.3% 387,870 -23 -8 18.15%
2016 60% Hillary Clinton (D) 190,836 54.0% Donald Trump (R) 143,768 40.7% 18,496 [+] 5.2% 353,100 -22 -5 18.35%
2012 59% Barack Obama* (D) 186,181 54.7% Mitt Romney (R) 148,423 43.6% 5,808 [+] 1.7% 340,412 -17 -4 18.93%
2008 63% Barack Obama (D) 196,435 55.3% John McCain (R) 153,957 43.4% 4,544 [+] 1.3% 354,936 -14 -2 19.42%
2004 62% John Kerry (D) 170,158 50.4% George W. Bush* (R) 164,566 48.8% 2,845 [+] 0.8% 337,569 -11 -2 18.79%
2000 58% Albert Gore, Jr. (D) 149,901 49.6% George W. Bush (R) 145,052 48.0% 7,409 [+] 2.5% 302,362 -9 0 19.58%
1996 54% Bill Clinton* (D) 144,207 51.5% Robert Dole (R) 114,860 41.0% 20,846 [+] 7.4% 279,913 -4 0 20.16%
1992 61% Bill Clinton (D) 152,728 49.3% George Bush* (R) 116,566 37.6% 40,499 [+] 13.1% 309,793 -4 0 20.75%
1988 54% George Bush (R) 139,711 52.0% Michael Dukakis (D) 127,936 47.6% 982 [+] 0.4% 268,629 -4 -1 20.31%
1984 58% Ronald Reagan* (R) 167,640 57.7% Walter Mondale (D) 122,133 42.0% 977 0.3% 290,750 -2 -1 21.22%
1980 54% Ronald Reagan (R) 127,254 48.0% Jimmy Carter* (D) 125,844 47.4% 12,188 [+] 4.6% 265,286 -1 -3 20.49%
1976 55% Gerald Ford* (R) 130,262 50.2% Jimmy Carter (D) 122,731 47.3% 6,452 [+] 2.5% 259,445 5 2 22.23%
1972 50% Richard Nixon* (R) 142,436 60.4% George McGovern (D) 88,143 37.4% 5,185 [+] 2.2% 235,764 -3 0 22.09%
1968 53% Richard Nixon (R) 95,942 43.1% Hubert Humphrey (D) 90,242 40.5% 36,473 [+] 16.4% 222,657 -1 0 21.09%
1964 58% Lyndon Johnson* (D) 146,023 64.1% Barry Goldwater (R) 80,951 35.5% 849 0.4% 227,823 0 -3 21.78%
1960 63% Richard Nixon (R) 118,575 50.3% John Kennedy (D) 117,180 49.7% 0 0.0% 235,755 -3 1 20.97%
1956 60% Dwight Eisenhower* (R) 119,262 58.5% Adlai Stevenson (D) 83,483 40.9% 1,172 0.6% 203,917 4 1 19.35%
1952 59% Dwight Eisenhower (R) 99,069 54.6% Adlai Stevenson (D) 81,642 45.0% 736 0.4% 181,447 5 -1 18.27%
1948 54% Harry Truman* (D) 70,756 48.2% Thomas Dewey (R) 69,645 47.4% 6,456 [+] 4.4% 146,857 6 2 17.85%
1944 57% Franklin Roosevelt* (D) 80,236 56.7% Thomas Dewey (R) 60,905 43.0% 480 0.3% 141,621 -2 -3 16.32%
1940 71% Franklin Roosevelt* (D) 94,710 58.7% Wendell Willkie (R) 66,052 41.0% 456 0.3% 161,218 -1 -4 16.62%
1936 69% Franklin Roosevelt* (D) 85,748 60.2% Alf Landon (R) 53,043 37.3% 3,583 [+] 2.5% 142,374 -3 1 15.37%
1932 70% Franklin Roosevelt (D) 72,402 51.3% Herbert Hoover* (R) 67,137 47.6% 1,557 [+] 1.1% 141,096 7 8 14.35%
1928 87% Herbert Hoover (R) 97,803 60.1% Al Smith (D) 64,472 39.6% 338 [+] 0.2% 162,613 1 2 17.29%
1924 69% Calvin Coolidge (R) 61,475 52.4% John Davis (D) 50,409 43.0% 5,409 [+] 4.6% 117,293 4 -2 14.41%
1920 81% Warren Harding (R) 68,202 54.3% James Cox (D) 56,046 44.6% 1,301 [+] 1.0% 125,549 5 -6 13.67%
1916 40% Woodrow Wilson* (D) 28,840 49.4% Charles Evans Hughes (R) 28,386 48.6% 1,193 [+] 2.0% 58,419 2 2 11.23%
1912 37% Woodrow Wilson (D) 24,100 45.8% Theodore Roosevelt (Prog) 23,516 44.6% 5,060 [+] 9.6% 52,676 -19 -17 11.61%
1908 42% William Taft (R) 27,180 49.8% William J. Bryan (D) 26,186 47.9% 1,254 [+] 2.3% 54,620 2 -2 11.15%
1904 37% Alton Parker (D) 22,781 49.6% Theodore Roosevelt (R) 21,664 47.1% 1,514 [+] 3.3% 45,959 0 -9 10.54%
1900 39% William McKinley* (R) 24,579 53.2% William J. Bryan (D) 20,883 45.2% 715 [+] 1.5% 46,177 5 2 9.87%
* incumbent         PSV: percent of state vote



2020 President, Jefferson County, KY
CandidateVotesPct
Joe Biden (D) 228,358 58.9%
Donald Trump* (R) 150,646 38.8%
Jo Jorgensen (Lbt) 4,782 1.2%
Other 4,084 1.1%
TOTAL 387,870
Turnout: 64% Diff (St): -23 Diff (US): -8


2016 President, Jefferson County, KY
CandidateVotesPct
Hillary Clinton (D) 190,836 54.0%
Donald Trump (R) 143,768 40.7%
Gary Johnson (Lbt) 10,188 2.9%
Jill Stein (Grn) 3,224 0.9%
Evan McMullin (I) 4,785 1.4%
Other 299 0.1%
TOTAL 353,100
Turnout: 60% Diff (St): -22 Diff (US): -5


2012 President, Jefferson County, KY
CandidateVotesPct
Barack Obama* (D) 186,181 54.7%
Mitt Romney (R) 148,423 43.6%
Gary Johnson (Lbt) 2,895 0.9%
Other 2,913 0.9%
TOTAL 340,412
Turnout: 59% Diff (St): -17 Diff (US): -4


2008 President, Jefferson County, KY
CandidateVotesPct
Barack Obama (D) 196,435 55.3%
John McCain (R) 153,957 43.4%
Ralph Nader (I) 2,169 0.6%
Bob Barr (Lbt) 850 0.2%
Other 1,525 0.4%
TOTAL 354,936
Turnout: 63% Diff (St): -14 Diff (US): -2


2004 President, Jefferson County, KY
CandidateVotesPct
George W. Bush* (R) 164,566 48.8%
John Kerry (D) 170,158 50.4%
Ralph Nader (I) 1,784 0.5%
Other 1,061 0.3%
TOTAL 337,569
Turnout: 62% Diff (St): -11 Diff (US): -2


2000 President, Jefferson County, KY
CandidateVotesPct
George W. Bush (R) 145,052 48.0%
Albert Gore, Jr. (D) 149,901 49.6%
Ralph Nader (Grn) 5,935 2.0%
Pat Buchanan (Ref) 639 0.2%
Other 835 0.3%
TOTAL 302,362
Turnout: 58% Diff (St): -9 Diff (US): 0


1996 President, Jefferson County, KY
CandidateVotesPct
Bill Clinton* (D) 144,207 51.5%
Robert Dole (R) 114,860 41.0%
Ross Perot (Ref) 19,413 6.9%
Harry Browne (Lbt) 686 0.2%
Other 747 0.3%
TOTAL 279,913
Turnout: 54% Diff (St): -4 Diff (US): 0


1992 President, Jefferson County, KY
CandidateVotesPct
Bill Clinton (D) 152,728 49.3%
George Bush* (R) 116,566 37.6%
Ross Perot (I) 39,822 12.9%
Other 677 0.2%
TOTAL 309,793
Turnout: 61% Diff (St): -4 Diff (US): 0


1988 President, Jefferson County, KY
CandidateVotesPct
George Bush (R) 139,711 52.0%
Michael Dukakis (D) 127,936 47.6%
Ron Paul (Lbt) 428 0.2%
Other 554 0.2%
TOTAL 268,629
Turnout: 54% Diff (St): -4 Diff (US): -1


1984 President, Jefferson County, KY
CandidateVotesPct
Ronald Reagan* (R) 167,640 57.7%
Walter Mondale (D) 122,133 42.0%
Other 977 0.3%
TOTAL 290,750
Turnout: 58% Diff (St): -2 Diff (US): -1


1980 President, Jefferson County, KY
CandidateVotesPct
Ronald Reagan (R) 127,254 48.0%
Jimmy Carter* (D) 125,844 47.4%
John Anderson (I) 9,686 3.7%
Edward Clark (Lbt) 1,078 0.4%
Other 1,424 0.5%
TOTAL 265,286
Turnout: 54% Diff (St): -1 Diff (US): -3


1976 President, Jefferson County, KY
CandidateVotesPct
Jimmy Carter (D) 122,731 47.3%
Gerald Ford* (R) 130,262 50.2%
Eugene McCarthy (I) 2,272 0.9%
Other 4,180 1.6%
TOTAL 259,445
Turnout: 55% Diff (St): 5 Diff (US): 2


1972 President, Jefferson County, KY
CandidateVotesPct
Richard Nixon* (R) 142,436 60.4%
George McGovern (D) 88,143 37.4%
John Schmitz (Amer) 4,766 2.0%
Other 419 0.2%
TOTAL 235,764
Turnout: 50% Diff (St): -3 Diff (US): 0


1968 President, Jefferson County, KY
CandidateVotesPct
Richard Nixon (R) 95,942 43.1%
Hubert Humphrey (D) 90,242 40.5%
George Wallace (AIP) 35,561 16.0%
Other 912 0.4%
TOTAL 222,657
Turnout: 53% Diff (St): -1 Diff (US): 0


1964 President, Jefferson County, KY
CandidateVotesPct
Lyndon Johnson* (D) 146,023 64.1%
Barry Goldwater (R) 80,951 35.5%
Other 849 0.4%
TOTAL 227,823
Turnout: 58% Diff (St): 0 Diff (US): -3


1956 President, Jefferson County, KY
CandidateVotesPct
Dwight Eisenhower* (R) 119,262 58.5%
Adlai Stevenson (D) 83,483 40.9%
Other 1,172 0.6%
TOTAL 203,917
Turnout: 60% Diff (St): 4 Diff (US): 1


1952 President, Jefferson County, KY
CandidateVotesPct
Dwight Eisenhower (R) 99,069 54.6%
Adlai Stevenson (D) 81,642 45.0%
Other 736 0.4%
TOTAL 181,447
Turnout: 59% Diff (St): 5 Diff (US): -1


1948 President, Jefferson County, KY
CandidateVotesPct
Harry Truman* (D) 70,756 48.2%
Thomas Dewey (R) 69,645 47.4%
Strom Thurmond (StsRts) 1,965 1.3%
Henry Wallace (Prog) 617 0.4%
Other 3,874 2.6%
TOTAL 146,857
Turnout: 54% Diff (St): 6 Diff (US): 2


1944 President, Jefferson County, KY
CandidateVotesPct
Franklin Roosevelt* (D) 80,236 56.7%
Thomas Dewey (R) 60,905 43.0%
Other 480 0.3%
TOTAL 141,621
Turnout: 57% Diff (St): -2 Diff (US): -3


1940 President, Jefferson County, KY
CandidateVotesPct
Franklin Roosevelt* (D) 94,710 58.7%
Wendell Willkie (R) 66,052 41.0%
Other 456 0.3%
TOTAL 161,218
Turnout: 71% Diff (St): -1 Diff (US): -4


1936 President, Jefferson County, KY
CandidateVotesPct
Franklin Roosevelt* (D) 85,748 60.2%
Alf Landon (R) 53,043 37.3%
William Lemke (Union) 3,150 2.2%
Norman Thomas (Soc) 183 0.1%
Other 250 0.2%
TOTAL 142,374
Turnout: 69% Diff (St): -3 Diff (US): 1


1932 President, Jefferson County, KY
CandidateVotesPct
Franklin Roosevelt (D) 72,402 51.3%
Herbert Hoover* (R) 67,137 47.6%
Norman Thomas (Soc) 964 0.7%
Other 593 0.4%
TOTAL 141,096
Turnout: 70% Diff (St): 7 Diff (US): 8


1928 President, Jefferson County, KY
CandidateVotesPct
Herbert Hoover (R) 97,803 60.1%
Al Smith (D) 64,472 39.6%
Norman Thomas (Soc) 214 0.1%
Other 124 0.1%
TOTAL 162,613
Turnout: 87% Diff (St): 1 Diff (US): 2


1924 President, Jefferson County, KY
CandidateVotesPct
Calvin Coolidge (R) 61,475 52.4%
John Davis (D) 50,409 43.0%
Robert LaFollette (Prog) 5,032 4.3%
Other 377 0.3%
TOTAL 117,293
Turnout: 69% Diff (St): 4 Diff (US): -2


1920 President, Jefferson County, KY
CandidateVotesPct
Warren Harding (R) 68,202 54.3%
James Cox (D) 56,046 44.6%
Other 1,301 1.0%
TOTAL 125,549
Turnout: 81% Diff (St): 5 Diff (US): -6


1916 President, Jefferson County, KY
CandidateVotesPct
Woodrow Wilson* (D) 28,840 49.4%
Charles Evans Hughes (R) 28,386 48.6%
Allan Benson (Soc) 883 1.5%
James Hanly (Proh) 205 0.4%
Other 105 0.2%
TOTAL 58,419
Turnout: 40% Diff (St): 2 Diff (US): 2


1912 President, Jefferson County, KY
CandidateVotesPct
Woodrow Wilson (D) 24,100 45.8%
Theodore Roosevelt (Prog) 23,516 44.6%
William Taft* (R) 3,519 6.7%
Eugene Debs (Soc) 1,170 2.2%
Eugene Chafin (Proh) 210 0.4%
Other 161 0.3%
TOTAL 52,676
Turnout: 37% Diff (St): -19 Diff (US): -17


1908 President, Jefferson County, KY
CandidateVotesPct
William Taft (R) 27,180 49.8%
William J. Bryan (D) 26,186 47.9%
Other 1,254 2.3%
TOTAL 54,620
Turnout: 42% Diff (St): 2 Diff (US): -2


1904 President, Jefferson County, KY
CandidateVotesPct
Theodore Roosevelt (R) 21,664 47.1%
Alton Parker (D) 22,781 49.6%
Other 1,514 3.3%
TOTAL 45,959
Turnout: 37% Diff (St): 0 Diff (US): -9


1900 President, Jefferson County, KY
CandidateVotesPct
William McKinley* (R) 24,579 53.2%
William J. Bryan (D) 20,883 45.2%
Other 715 1.5%
TOTAL 46,177
Turnout: 39% Diff (St): 5 Diff (US): 2
* incumbent

Historical Statewide Election Results for Jefferson County, KY

Click on the Year to view county-level data for that election.

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2023 G 43% Andy Beshear* (D) 179,854 70.0% Daniel Cameron (R) 76,908 30.0% 11 [+] 0.0% 256,773 -18 19.42%
2022 S3 46% Charles Booker (D) 164,131 59.1% Rand Paul* (R) 113,726 40.9% 31 [+] 0.0% 277,888 -21 18.80%
2020 S2 64% Amy McGrath (D) 230,750 59.6% Mitch McConnell* (R) 145,547 37.6% 10,793 [+] 2.8% 387,090 -20 18.13%
2019 G 46% Andy Beshear (D) 186,561 67.0% Matt Bevin* (R) 87,740 31.5% 4,178 [+] 1.5% 278,479 -17 19.30%
2016 S3 59% Jim Gray (D) 207,610 58.9% Rand Paul* (R) 144,628 41.1% 0 0.0% 352,238 -16 18.51%
2015 G 33% Jack Conway (D) 112,232 58.2% Matt Bevin (R) 74,427 38.6% 6,313 [+] 3.3% 192,972 -14 19.82%
2014 S2 44% Alison Lundergan Grimes (D) 144,761 56.0% Mitch McConnell* (R) 108,786 42.1% 5,000 [+] 1.9% 258,547 -14 18.01%
2011 G 28% Steve Beshear* (D) 107,871 67.0% David Williams (R) 44,192 27.4% 9,048 [+] 5.6% 161,111 -8 19.34%
2010 S3 45% Jack Conway (D) 143,385 55.4% Rand Paul (R) 114,435 44.2% 843 [+] 0.3% 258,663 -11 19.07%
2008 S2 63% Bruce Lunsford (D) 195,564 55.7% Mitch McConnell* (R) 155,333 44.3% 0 0.0% 350,897 -9 19.49%
2007 G 39% Steve Beshear (D) 141,471 65.5% Ernie Fletcher* (R) 74,542 34.5% 0 0.0% 216,013 -7 20.47%
2004 S3 61% Daniel Mongiardo (D) 198,541 59.6% Jim Bunning* (R) 134,699 40.4% 0 0.0% 333,240 -10 19.33%
2003 G 39% Ben Chandler (D) 107,786 51.2% Ernie Fletcher (R) 102,716 48.8% 0 0.0% 210,502 -6 19.43%
2002 S2 43% Mitch McConnell* (R) 136,504 59.3% Lois Weinberg (D) 93,394 40.6% 139 [+] 0.1% 230,037 -5 20.33%
1999 G 24% Paul Patton* (D) 80,442 63.5% Peppy Martin (R) 27,844 22.0% 18,421 [+] 14.5% 126,707 0 21.84%
1998 S3 41% Scotty Baesler (D) 115,378 54.0% Jim Bunning (R) 95,441 44.6% 2,943 [+] 1.4% 213,762 -5 18.66%
1996 S2 54% Mitch McConnell* (R) 143,434 51.7% Steve Beshear (D) 129,501 46.7% 4,465 [+] 1.6% 277,400 -4 21.22%
1995 G 37% Paul Patton (D) 107,192 56.3% Larry Forgy (R) 81,930 43.0% 1,220 [+] 0.6% 190,342 -6 19.34%
1992 S3 59% Wendell Ford* (D) 195,253 65.0% David Williams (R) 100,956 33.6% 4,379 [+] 1.5% 300,588 -2 22.59%
1991 G 34% Brereton Jones (D) 115,520 66.9% Larry Hopkins (R) 57,062 33.1% 0 0.0% 172,582 -2 20.67%
1990 S2 40% Harvey Sloane (D) 105,025 52.4% Mitch McConnell* (R) 95,282 47.6% 0 0.0% 200,307 -5 21.87%
1987 G 29% Wallace Wilkinson (D) 76,582 53.2% John Harper (R) 63,348 44.0% 4,111 [+] 2.9% 144,041 12 18.41%
1986 S3 31% Wendell Ford* (D) 109,378 70.5% Jackson Andrews (R) 45,604 29.4% 144 [+] 0.1% 155,126 4 22.90%
1984 S2 59% Mitch McConnell (R) 151,548 51.3% Walter Huddleston* (D) 142,336 48.2% 1,246 [+] 0.4% 295,130 1 22.84%
1983 G 44% Martha Layne Collins (D) 110,899 51.0% Jim Bunning (R) 103,302 47.5% 3,158 [+] 1.5% 217,359 3 21.09%
1980 S3 48% Wendell Ford* (D) 146,878 61.5% Mary Louise Foust (R) 92,110 38.5% 0 0.0% 238,988 4 21.59%
1979 G 40% John Y. Brown, Jr. (D) 125,112 66.7% Louie Nunn (R) 62,551 33.3% 0 0.0% 187,663 -7 19.98%
1978 S2 22% Walter Huddleston* (D) 55,290 53.3% Louie Guenthner (R) 46,967 45.2% 1,549 [+] 1.5% 103,806 8 21.77%
1975 G 39% Julian Carroll* (D) 92,661 50.2% Robert Gable (R) 91,946 49.8% 0 0.0% 184,607 13 24.67%
1974 S3 41% Marlow Cook* (R) 96,653 49.7% Wendell Ford (D) 91,696 47.2% 6,061 [+] 3.1% 194,410 6 26.06%
1972 S2 49% Walter Huddleston (D) 122,541 53.1% Louie Nunn (R) 103,171 44.7% 4,880 [+] 2.1% 230,592 -3 22.22%
1971 G 40% Tom Emberton (R) 83,722 47.4% Wendell Ford (D) 77,695 44.0% 15,237 [+] 8.6% 176,654 3 18.98%
1968 S3 50% Marlow Cook (R) 116,823 56.1% Katherine Peden (D) 87,879 42.2% 3,457 [+] 1.7% 208,159 5 22.08%
1967 G 43% Louie Nunn (R) 87,563 49.9% Henry Ward (D) 85,213 48.6% 2,591 [+] 1.5% 175,367 -1 19.77%
1966 S2 42% John Sherman Cooper* (R) 113,648 66.5% John Y. Brown (D) 57,312 33.5% 0 0.0% 170,960 2 22.80%
1963 G 47% Louie Nunn (R) 94,491 51.1% Ned Breathitt (D) 90,357 48.9% 0 0.0% 184,848 2 20.86%
1962 S3 49% Thruston Morton* (R) 106,402 56.4% Wilson Wyatt (D) 82,259 43.6% 0 0.0% 188,661 4 23.00%
1960 S2 62% John Sherman Cooper* (R) 137,946 59.5% Keen Johnson (D) 93,872 40.5% 0 0.0% 231,818 0 21.30%
*: incumbent               +: ran on additional party lines               Type: G: Governor; S1,S2,S3: Senate Class 1, 2 or 3
italics: special election           RO: runoff election           PSV: percent of state vote


Historical U.S. House Election Results for Jefferson County, KY

Click on the District to view county-level data for that election (where available).

DateDistrictWinnerRunner-Up OtherTotal Votes
2022-11-08 KY02Brett Guthrie* (R) 10,657 64.7% Hank Linderman (D) 5,810 35.3% 0 0.0% 16,467
2022-11-08 KY03Morgan McGarvey (D) 160,920 62.0% Stuart Ray (R) 98,637 38.0% 30 0.0% 259,587
County Total for 2022-11-08:   276,054
2020-11-03 KY03John Yarmuth* (D) 230,603 62.7% Rhonda Palazzo (R) 137,396 37.3% 0 0.0% 367,999
2020-11-03 KY04Thomas Massie* (R) 10,080 62.2% Alexandra Owensby (D) 6,135 37.8% 0 0.0% 16,215
County Total for 2020-11-03:   384,214
2018-11-06 KY03John Yarmuth* (D) 173,002 62.1% Vickie Glisson (R) 101,930 36.6% 3,788 1.4% 278,720
2018-11-06 KY04Thomas Massie* (R) 7,082 62.4% Seth Hall (D) 4,172 36.7% 102 0.9% 11,356
County Total for 2018-11-06:   290,076
2016-11-08 KY03John Yarmuth* (D) 212,401 63.5% Harold Bratcher (R) 122,093 36.5% 0 0.0% 334,494
2016-11-08 KY04Thomas Massie* (R) 8,898 71.1% Calvin Sidle (D) 3,622 28.9% 0 0.0% 12,520
County Total for 2016-11-08:   347,014
2014-11-04 KY03John Yarmuth* (D) 157,056 63.5% Michael McFarlane (R) 87,981 35.6% 2,318 0.9% 247,355
2014-11-04 KY04Thomas Massie* (R) 6,351 72.1% Peter Newberry (D) 2,456 27.9% 0 0.0% 8,807
County Total for 2014-11-04:   256,162
2012-11-06 KY03John Yarmuth* (D) 206,385 64.0% Brooks Wicker (R) 111,452 34.5% 4,819 1.5% 322,656
2012-11-06 KY04Thomas Massie (R) 7,468 70.2% Bill Adkins (D) 2,969 27.9% 195 1.8% 10,632
County Total for 2012-11-06:   333,288
2010-11-02 KY02Brett Guthrie* (R) 2,349 57.2% Ed Marksberry (D) 1,758 42.8% 0 0.0% 4,107
2010-11-02 KY03John Yarmuth* (D) 139,940 54.7% Todd Lally (R) 112,627 44.0% 3,363 1.3% 255,930
County Total for 2010-11-02:   260,037
2008-11-04 KY02David Boswell (D) 3,572 54.9% Brett Guthrie (R) 2,930 45.1% 0 0.0% 6,502
2008-11-04 KY03John Yarmuth* (D) 203,843 59.4% Anne Northup (R) 139,527 40.6% 0 0.0% 343,370
County Total for 2008-11-04:   349,872
2006-11-07 KY02Mike Weaver (D) 2,187 53.4% Ron Lewis* (R) 1,912 46.6% 0 0.0% 4,099
2006-11-07 KY03John Yarmuth (D) 122,489 50.6% Anne Northup* (R) 116,568 48.2% 2,908 1.2% 241,965
County Total for 2006-11-07:   246,064
2004-11-02 KY02Ron Lewis* (R) 3,671 57.9% Adam Smith (D) 2,674 42.1% 0 0.0% 6,345
2004-11-02 KY03Anne Northup* (R) 197,736 60.3% Tony Miller (D) 124,040 37.8% 6,363 1.9% 328,139
County Total for 2004-11-02:   334,484
2002-11-05 KY02Ron Lewis* (R) 2,283 56.4% David Williams (D) 1,703 42.0% 64 1.6% 4,050
2002-11-05 KY03Anne Northup* (R) 118,228 51.6% Jack Conway (D) 110,846 48.4% 0 0.0% 229,074
County Total for 2002-11-05:   233,124
2000-11-07 KY02Ron Lewis* (R) 20,324 67.8% Brian Pedigo (D) 9,255 30.9% 397 1.3% 29,976
2000-11-07 KY03Anne Northup* (R) 142,106 52.9% Eleanor Jordan (D) 118,785 44.2% 7,804 2.9% 268,695
County Total for 2000-11-07:   298,671
1998-11-03 KY02Ron Lewis* (R) 12,387 65.6% Bob Evans (D) 6,323 33.5% 186 1.0% 18,896
1998-11-03 KY03Anne Northup* (R) 100,690 51.5% Chris Gorman (D) 92,865 47.5% 1,881 1.0% 195,436
County Total for 1998-11-03:   214,332
1996-11-05 KY02Ron Lewis* (R) 14,912 63.5% Joe Wright (D) 8,566 36.5% 0 0.0% 23,478
1996-11-05 KY03Anne Northup (R) 126,625 50.3% Mike Ward* (D) 125,326 49.7% 0 0.0% 251,951
County Total for 1996-11-05:   275,429
1994-11-08 KY02Ron Lewis* (R) 8,348 64.6% David Adkisson (D) 4,575 35.4% 0 0.0% 12,923
1994-11-08 KY03Mike Ward (D) 67,663 44.4% Susan Stokes (R) 67,238 44.1% 17,622 11.6% 152,523
County Total for 1994-11-08:   165,446
1994-05-24 sp KY02Ron Lewis (R) 3,007 61.8% Joe Prather (D) 1,823 37.5% 32 0.7% 4,862
County Total for 1994-05-24:   4,862
1992-11-03 KY02William Natcher* (D) 10,985 50.6% Bruce Bartley (R) 10,723 49.4% 0 0.0% 21,708
1992-11-03 KY03Romano Mazzoli* (D) 148,066 52.7% Susan Stokes (R) 132,689 47.3% 15 0.0% 280,770
County Total for 1992-11-03:   302,478
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Jefferson County, KY

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2023 621,059 199,495 32.1% 351,595 56.6% 69,969 11.3% Dem +152,100 Dem +24.5% 103%
2022 636,981 205,885 32.3% 361,703 56.8% 69,393 10.9% Dem +155,818 Dem +24.5% 106%
2020 632,848 206,445 32.6% 362,163 57.2% 64,240 10.2% Dem +155,718 Dem +24.6% 105%
2018 598,335 196,786 32.9% 342,186 57.2% 59,363 9.9% Dem +145,400 Dem +24.3% 100%
2016 582,338 192,355 33.0% 333,930 57.3% 56,053 9.6% Dem +141,575 Dem +24.3% 99%
2014 548,815 179,972 32.8% 317,540 57.9% 51,303 9.3% Dem +137,568 Dem +25.1% 94%
2012 526,076 172,188 32.7% 307,319 58.4% 46,569 8.9% Dem +135,131 Dem +25.7% 91%
2010 493,902 160,360 32.5% 291,255 59.0% 42,287 8.6% Dem +130,895 Dem +26.5% 87%
2008 499,520 160,047 32.0% 296,290 59.3% 43,183 8.6% Dem +136,243 Dem +27.3% 89%
2006 465,941 154,338 33.1% 269,019 57.7% 42,584 9.1% Dem +114,681 Dem +24.6% 84%
2004 475,805 155,422 32.7% 275,409 57.9% 44,974 9.5% Dem +119,987 Dem +25.2% 88%
2002 447,197 142,589 31.9% 260,534 58.3% 44,074 9.9% Dem +117,945 Dem +26.4% 84%
2000 437,777 135,999 31.1% 256,540 58.6% 45,238 10.3% Dem +120,541 Dem +27.5% 83%
1998 443,829 134,287 30.3% 258,399 58.2% 51,143 11.5% Dem +124,112 Dem +28.0% 85%
1994 376,413 110,512 29.4% 233,484 62.0% 32,417 8.6% Dem +122,972 Dem +32.7% 74%
1986 369,193 104,413 28.3% 237,057 64.2% 27,723 7.5% Dem +132,644 Dem +35.9% 74%
VAPOP% is the estimated percentage of voting age population that is registered.
Registration data may include "inactive" voters.   Data for each year pertains to the November elections.