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Hamilton County, OH


Metropolitan Statistical Area: Cincinnati, OH-IN-KY
Designated Market Area: Cincinnati, OH-IN-KY
American Communities Project County Type (2023): Urban Suburbs

Places in Hamilton County, OH     [Sort places by name]

 

Tracts in Hamilton County, OH

   



Click here to view demographic data for Hamilton County, OH

2022 population: 825,037   ( 22,663 from 2010 , 5,588 from 2020)
Land area: 405.4 square miles
Population density: 2035.1 persons per square mile

2022 Census data
White:527,869 63.98% 2.7%
Black:216,25326.21% 5.6%
Indian:1,1780.14% 3.4%
Asian:24,8603.01% 50.2%
2+ races:21,2742.58% 39.0%
Hispanic:33,6034.07% 63.1%
Total non-White:297,16836.02% 14.3%

2020-2022 ComponentsNumberRate
Births:23,097 13.9
Deaths:20,87412.6
Net Migration: -12,000-7.2
Net Immigration: 3,9562.4
Change in White population:-14,404 -1.8
Change in Non-White pop.:37,067 4.6



Historical Presidential Election Results for Hamilton County, OH

Recent Trends
VotesΔ MarginSwing %
2024 vs. 2020 R -5,521 R +7,385 R + 1.1%
D -12,906
2024 vs. 2016 R -1,300 D +18,941 D + 4.2%
D +17,641
2020 vs. 2016 R +4,221 D +26,326 D + 5.3%
D +30,547
2024 vs. 2012 R -20,961 D +34,394 D + 8.6%
D +13,433
2016 vs. 2008 R -21,865 D +12,371 D + 3.7%
D -9,494
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
2024 65% Kamala Harris (D) 233,360 56.5% Donald Trump (R) 172,365 41.7% 7,488 [+] 1.8% 413,213 -13 -8 7.12%
2020 68% Joe Biden (D) 246,266 57.1% Donald Trump* (R) 177,886 41.3% 6,777 [+] 1.6% 430,929 -12 -6 7.26%
2016 65% Hillary Clinton (D) 215,719 52.7% Donald Trump (R) 173,665 42.4% 19,725 [+] 4.8% 409,109 -9 -3 7.39%
2012 68% Barack Obama* (D) 219,927 52.5% Mitt Romney (R) 193,326 46.2% 5,641 [+] 1.3% 418,894 -1 -1 7.49%
2008 69% Barack Obama (D) 225,213 53.0% John McCain (R) 195,530 46.0% 4,343 [+] 1.0% 425,086 -1 0 7.43%
2004 68% George W. Bush* (R) 222,616 52.5% John Kerry (D) 199,679 47.1% 1,730 [+] 0.4% 424,025 2 2 7.53%
2000 60% George W. Bush (R) 204,175 54.0% Albert Gore, Jr. (D) 161,578 42.8% 12,146 [+] 3.2% 377,899 4 6 8.03%
1996 59% Robert Dole (R) 186,493 50.1% Bill Clinton* (D) 160,458 43.1% 25,117 [+] 6.8% 372,068 9 9 8.21%
1992 63% George Bush* (R) 192,447 47.7% Bill Clinton (D) 148,409 36.8% 62,564 [+] 15.5% 403,420 9 10 8.17%
1988 58% George Bush (R) 227,004 61.3% Michael Dukakis (D) 140,354 37.9% 3,026 [+] 0.8% 370,384 6 8 8.43%
1984 61% Ronald Reagan* (R) 246,288 63.3% Walter Mondale (D) 140,350 36.1% 2,179 0.6% 388,817 4 5 8.55%
1980 57% Ronald Reagan (R) 206,979 57.7% Jimmy Carter* (D) 129,114 36.0% 22,448 [+] 6.3% 358,541 6 7 8.37%
1976 58% Gerald Ford* (R) 211,267 59.8% Jimmy Carter (D) 135,605 38.4% 6,207 [+] 1.8% 353,079 11 12 8.59%
1972 59% Richard Nixon* (R) 239,212 65.6% George McGovern (D) 119,054 32.7% 6,119 [+] 1.7% 364,385 6 5 8.90%
1968 65% Richard Nixon (R) 183,611 50.2% Hubert Humphrey (D) 135,057 37.0% 46,815 [+] 12.8% 365,483 5 7 9.23%
1964 66% Lyndon Johnson* (D) 199,127 55.3% Barry Goldwater (R) 161,179 44.7% 0 0.0% 360,306 8 6 9.08%
1960 73% Richard Nixon (R) 211,068 54.5% John Kennedy (D) 176,215 45.5% 0 0.0% 387,283 1 5 9.31%
1956 62% Dwight Eisenhower* (R) 222,009 66.1% Adlai Stevenson (D) 113,797 33.9% 0 0.0% 335,806 5 9 9.07%
1952 69% Dwight Eisenhower (R) 207,690 59.6% Adlai Stevenson (D) 140,785 40.4% 0 0.0% 348,475 3 4 9.42%
1948 61% Thomas Dewey (R) 151,055 52.4% Harry Truman* (D) 135,290 46.9% 2,068 [+] 0.7% 288,413 3 7 9.82%
1944 68% Thomas Dewey (R) 154,960 51.8% Franklin Roosevelt* (D) 144,470 48.2% 0 0.0% 299,430 2 6 9.50%
1940 73% Wendell Willkie (R) 154,733 51.0% Franklin Roosevelt* (D) 148,907 49.0% 0 0.0% 303,640 3 6 9.15%
1936 73% Franklin Roosevelt* (D) 153,117 54.6% Alf Landon (R) 108,506 38.7% 18,813 [+] 6.7% 280,436 1 2 9.31%
1932 67% Franklin Roosevelt (D) 123,109 49.4% Herbert Hoover* (R) 118,804 47.7% 7,163 [+] 2.9% 249,076 1 8 9.54%
1928 73% Herbert Hoover (R) 147,534 57.0% Al Smith (D) 110,151 42.6% 1,007 [+] 0.4% 258,692 -8 -1 10.31%
1924 58% Calvin Coolidge (R) 115,950 60.7% Robert LaFollette (Prog) 39,768 20.8% 35,311 [+] 18.5% 191,029 2 7 9.47%
1920 64% Warren Harding (R) 112,590 57.2% James Cox (D) 77,598 39.4% 6,778 [+] 3.4% 196,966 -1 -3 9.74%
1916 41% Charles Evans Hughes (R) 64,030 53.3% Woodrow Wilson* (D) 51,990 43.3% 4,049 [+] 3.4% 120,069 9 7 10.31%
1912 38% Woodrow Wilson (D) 42,909 39.0% William Taft* (R) 42,119 38.3% 24,921 [+] 22.7% 109,949 11 15 10.60%
1908 43% William Taft (R) 63,803 56.5% William J. Bryan (D) 45,429 40.2% 3,714 [+] 3.3% 112,946 5 5 10.07%
1904 39% Theodore Roosevelt (R) 65,129 66.4% Alton Parker (D) 24,936 25.4% 7,973 [+] 8.1% 98,038 7 10 9.76%
1900 41% William McKinley* (R) 55,466 56.9% William J. Bryan (D) 40,228 41.3% 1,821 [+] 1.9% 97,515 5 5 9.38%
* incumbent         PSV: percent of state vote



2020 President, Hamilton County, OH
CandidateVotesPct
Joe Biden (D) 246,266 57.1%
Donald Trump* (R) 177,886 41.3%
Jo Jorgensen (Lbt) 5,211 1.2%
Other 1,566 0.4%
TOTAL 430,929
Turnout: 68% Diff (St): -12 Diff (US): -6


2016 President, Hamilton County, OH
CandidateVotesPct
Hillary Clinton (D) 215,719 52.7%
Donald Trump (R) 173,665 42.4%
Gary Johnson (Lbt) 13,200 3.2%
Jill Stein (Grn) 3,723 0.9%
Evan McMullin (I) 1,377 0.3%
Other 1,425 0.3%
TOTAL 409,109
Turnout: 65% Diff (St): -9 Diff (US): -3


2012 President, Hamilton County, OH
CandidateVotesPct
Barack Obama* (D) 219,927 52.5%
Mitt Romney (R) 193,326 46.2%
Gary Johnson (Lbt) 3,756 0.9%
Other 1,885 0.4%
TOTAL 418,894
Turnout: 68% Diff (St): -1 Diff (US): -1


2008 President, Hamilton County, OH
CandidateVotesPct
Barack Obama (D) 225,213 53.0%
John McCain (R) 195,530 46.0%
Ralph Nader (I) 1,903 0.4%
Bob Barr (Lbt) 1,267 0.3%
Other 1,173 0.3%
TOTAL 425,086
Turnout: 69% Diff (St): -1 Diff (US): 0


2004 President, Hamilton County, OH
CandidateVotesPct
George W. Bush* (R) 222,616 52.5%
John Kerry (D) 199,679 47.1%
Other 1,730 0.4%
TOTAL 424,025
Turnout: 68% Diff (St): 2 Diff (US): 2


2000 President, Hamilton County, OH
CandidateVotesPct
George W. Bush (R) 204,175 54.0%
Albert Gore, Jr. (D) 161,578 42.8%
Ralph Nader (Grn) 9,222 2.4%
Pat Buchanan (Ref) 1,084 0.3%
Other 1,840 0.5%
TOTAL 377,899
Turnout: 60% Diff (St): 4 Diff (US): 6


1996 President, Hamilton County, OH
CandidateVotesPct
Bill Clinton* (D) 160,458 43.1%
Robert Dole (R) 186,493 50.1%
Ross Perot (Ref) 21,335 5.7%
Harry Browne (Lbt) 1,395 0.4%
Other 2,387 0.6%
TOTAL 372,068
Turnout: 59% Diff (St): 9 Diff (US): 9


1992 President, Hamilton County, OH
CandidateVotesPct
Bill Clinton (D) 148,409 36.8%
George Bush* (R) 192,447 47.7%
Ross Perot (I) 60,145 14.9%
Other 2,419 0.6%
TOTAL 403,420
Turnout: 63% Diff (St): 9 Diff (US): 10


1988 President, Hamilton County, OH
CandidateVotesPct
George Bush (R) 227,004 61.3%
Michael Dukakis (D) 140,354 37.9%
Ron Paul (Lbt) 1,104 0.3%
Other 1,922 0.5%
TOTAL 370,384
Turnout: 58% Diff (St): 6 Diff (US): 8


1984 President, Hamilton County, OH
CandidateVotesPct
Ronald Reagan* (R) 246,288 63.3%
Walter Mondale (D) 140,350 36.1%
Other 2,179 0.6%
TOTAL 388,817
Turnout: 61% Diff (St): 4 Diff (US): 5


1980 President, Hamilton County, OH
CandidateVotesPct
Ronald Reagan (R) 206,979 57.7%
Jimmy Carter* (D) 129,114 36.0%
John Anderson (I) 17,898 5.0%
Edward Clark (Lbt) 3,155 0.9%
Other 1,395 0.4%
TOTAL 358,541
Turnout: 57% Diff (St): 6 Diff (US): 7


1976 President, Hamilton County, OH
CandidateVotesPct
Jimmy Carter (D) 135,605 38.4%
Gerald Ford* (R) 211,267 59.8%
Eugene McCarthy (I) 3,930 1.1%
Other 2,277 0.6%
TOTAL 353,079
Turnout: 58% Diff (St): 11 Diff (US): 12


1972 President, Hamilton County, OH
CandidateVotesPct
Richard Nixon* (R) 239,212 65.6%
George McGovern (D) 119,054 32.7%
John Schmitz (Amer) 5,552 1.5%
Other 567 0.2%
TOTAL 364,385
Turnout: 59% Diff (St): 6 Diff (US): 5


1968 President, Hamilton County, OH
CandidateVotesPct
Richard Nixon (R) 183,611 50.2%
Hubert Humphrey (D) 135,057 37.0%
George Wallace (AIP) 46,742 12.8%
Other 73 0.0%
TOTAL 365,483
Turnout: 65% Diff (St): 5 Diff (US): 7


1964 President, Hamilton County, OH
CandidateVotesPct
Lyndon Johnson* (D) 199,127 55.3%
Barry Goldwater (R) 161,179 44.7%
TOTAL 360,306
Turnout: 66% Diff (St): 8 Diff (US): 6


1956 President, Hamilton County, OH
CandidateVotesPct
Dwight Eisenhower* (R) 222,009 66.1%
Adlai Stevenson (D) 113,797 33.9%
TOTAL 335,806
Turnout: 62% Diff (St): 5 Diff (US): 9


1952 President, Hamilton County, OH
CandidateVotesPct
Dwight Eisenhower (R) 207,690 59.6%
Adlai Stevenson (D) 140,785 40.4%
TOTAL 348,475
Turnout: 69% Diff (St): 3 Diff (US): 4


1948 President, Hamilton County, OH
CandidateVotesPct
Harry Truman* (D) 135,290 46.9%
Thomas Dewey (R) 151,055 52.4%
Henry Wallace (Prog) 2,068 0.7%
TOTAL 288,413
Turnout: 61% Diff (St): 3 Diff (US): 7


1936 President, Hamilton County, OH
CandidateVotesPct
Franklin Roosevelt* (D) 153,117 54.6%
Alf Landon (R) 108,506 38.7%
William Lemke (Union) 18,426 6.6%
Other 387 0.1%
TOTAL 280,436
Turnout: 73% Diff (St): 1 Diff (US): 2


1932 President, Hamilton County, OH
CandidateVotesPct
Franklin Roosevelt (D) 123,109 49.4%
Herbert Hoover* (R) 118,804 47.7%
Norman Thomas (Soc) 6,205 2.5%
Other 958 0.4%
TOTAL 249,076
Turnout: 67% Diff (St): 1 Diff (US): 8


1928 President, Hamilton County, OH
CandidateVotesPct
Herbert Hoover (R) 147,534 57.0%
Al Smith (D) 110,151 42.6%
Norman Thomas (Soc) 701 0.3%
Other 306 0.1%
TOTAL 258,692
Turnout: 73% Diff (St): -8 Diff (US): -1


1924 President, Hamilton County, OH
CandidateVotesPct
Calvin Coolidge (R) 115,950 60.7%
John Davis (D) 34,916 18.3%
Robert LaFollette (Prog) 39,768 20.8%
Other 395 0.2%
TOTAL 191,029
Turnout: 58% Diff (St): 2 Diff (US): 7


1920 President, Hamilton County, OH
CandidateVotesPct
Warren Harding (R) 112,590 57.2%
James Cox (D) 77,598 39.4%
Eugene Debs (Soc) 6,611 3.4%
Other 167 0.1%
TOTAL 196,966
Turnout: 64% Diff (St): -1 Diff (US): -3


1916 President, Hamilton County, OH
CandidateVotesPct
Woodrow Wilson* (D) 51,990 43.3%
Charles Evans Hughes (R) 64,030 53.3%
Allan Benson (Soc) 3,739 3.1%
James Hanly (Proh) 310 0.3%
TOTAL 120,069
Turnout: 41% Diff (St): 9 Diff (US): 7


1912 President, Hamilton County, OH
CandidateVotesPct
Woodrow Wilson (D) 42,909 39.0%
Theodore Roosevelt (Prog) 16,828 15.3%
William Taft* (R) 42,119 38.3%
Eugene Debs (Soc) 7,542 6.9%
Eugene Chafin (Proh) 384 0.3%
Other 167 0.2%
TOTAL 109,949
Turnout: 38% Diff (St): 11 Diff (US): 15


1908 President, Hamilton County, OH
CandidateVotesPct
William Taft (R) 63,803 56.5%
William J. Bryan (D) 45,429 40.2%
Eugene Debs (Soc) 3,306 2.9%
Eugene Chafin (Proh) 317 0.3%
Thomas Hisgen (I) 29 0.0%
Other 62 0.1%
TOTAL 112,946
Turnout: 43% Diff (St): 5 Diff (US): 5


1904 President, Hamilton County, OH
CandidateVotesPct
Theodore Roosevelt (R) 65,129 66.4%
Alton Parker (D) 24,936 25.4%
Eugene Debs (Soc) 7,158 7.3%
Silas Swallow (Proh) 431 0.4%
Thomas Watson (Pop) 95 0.1%
Other 289 0.3%
TOTAL 98,038
Turnout: 39% Diff (St): 7 Diff (US): 10


1900 President, Hamilton County, OH
CandidateVotesPct
William McKinley* (R) 55,466 56.9%
William J. Bryan (D) 40,228 41.3%
Other 1,821 1.9%
TOTAL 97,515
Turnout: 41% Diff (St): 5 Diff (US): 5
* incumbent

Historical Statewide Election Results for Hamilton County, OH

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

YearTypeTurnout WinnerRunner-Up OtherTotal VotesDiff PSV
2024 S1 64% Sherrod Brown* (D) 235,825 57.8% Bernie Moreno (R) 158,523 38.9% 13,394 [+] 3.3% 407,742 -11 7.15%
2022 S3 48% Tim Ryan (D) 174,511 57.7% J.D. Vance (R) 127,792 42.2% 183 [+] 0.1% 302,486 -11 7.32%
2022 G 48% Mike DeWine* (R) 155,577 51.2% Nan Whaley (D) 148,023 48.7% 371 [+] 0.1% 303,971 -11 7.35%
2018 S1 53% Sherrod Brown* (D) 200,404 59.3% Jim Renacci (R) 137,116 40.6% 193 [+] 0.1% 337,713 -6 7.66%
2018 G 54% Richard Cordray (D) 181,979 53.6% Mike DeWine (R) 148,272 43.6% 9,433 [+] 2.8% 339,684 -7 7.67%
2016 S3 64% Rob Portman* (R) 216,298 53.7% Ted Strickland (D) 170,427 42.3% 15,745 [+] 3.9% 402,470 -4 7.49%
2014 G 38% John Kasich* (R) 142,066 60.1% Edward FitzGerald (D) 85,535 36.2% 8,684 [+] 3.7% 236,285 -4 7.73%
2012 S1 66% Sherrod Brown* (D) 219,299 53.5% Josh Mandel (R) 176,058 43.0% 14,388 [+] 3.5% 409,745 -2 7.52%
2010 S3 47% Rob Portman (R) 166,087 58.2% Lee Fisher (D) 112,938 39.6% 6,413 [+] 2.2% 285,438 1 7.48%
2010 G 46% John Kasich (R) 143,222 50.4% Ted Strickland* (D) 132,087 46.5% 8,745 [+] 3.1% 284,054 1 7.37%
2006 S1 46% Mike DeWine* (R) 144,167 50.3% Sherrod Brown (D) 142,134 49.6% 96 [+] 0.0% 286,397 7 7.13%
2006 G 46% Kenneth Blackwell (R) 141,374 49.2% Ted Strickland (D) 139,451 48.5% 6,671 [+] 2.3% 287,496 13 7.15%
2004 S3 66% George Voinovich* (R) 255,406 62.7% Eric Fingerhut (D) 151,912 37.3% 113 [+] 0.0% 407,431 -1 7.51%
2002 G 39% Bob Taft III* (R) 160,223 65.8% Tim Hagan (D) 73,843 30.3% 9,279 [+] 3.8% 243,345 8 7.54%
2000 S1 59% Mike DeWine* (R) 223,984 60.7% Ted Celeste (D) 130,106 35.2% 15,200 [+] 4.1% 369,290 1 8.29%
1998 S3 46% George Voinovich (R) 180,606 62.7% Mary Boyle (D) 107,503 37.3% 5 [+] 0.0% 288,114 6 8.46%
1998 G 45% Bob Taft III (R) 167,447 59.2% Lee Fisher (D) 105,249 37.2% 10,180 [+] 3.6% 282,876 9 8.43%
1994 S1 43% Mike DeWine (R) 165,748 60.2% Joel Hyatt (D) 91,755 33.3% 17,843 [+] 6.5% 275,346 7 8.01%
1994 G 42% George Voinovich* (R) 204,678 76.3% Robert Burch (D) 57,010 21.2% 6,702 [+] 2.5% 268,390 4 8.02%
1992 S3 62% John Glenn* (D) 185,201 47.0% Mike DeWine (R) 180,880 45.9% 27,968 [+] 7.1% 394,049 4 8.20%
1990 G 44% George Voinovich (R) 167,288 59.8% Anthony Celebrezze (D) 112,569 40.2% 5 [+] 0.0% 279,862 4 8.05%
1988 S1 58% Howard Metzenbaum* (D) 191,236 51.9% George Voinovich (R) 177,351 48.1% 0 0.0% 368,587 5 8.47%
1986 S3 40% John Glenn* (D) 144,171 57.0% Thomas Kindness (R) 108,770 43.0% 13 [+] 0.0% 252,954 5 8.10%
1986 G 39% James Rhodes (R) 124,752 50.1% Richard Celeste* (D) 124,116 49.8% 125 [+] 0.1% 248,993 11 8.12%
1982 S1 44% Howard Metzenbaum* (D) 142,274 51.5% Paul Pfeifer (R) 129,100 46.8% 4,713 [+] 1.7% 276,087 6 8.13%
1982 G 43% Richard Celeste (D) 135,879 50.4% Clarence Brown, Jr. (R) 127,121 47.1% 6,676 [+] 2.5% 269,676 8 8.03%
1980 S3 54% John Glenn* (D) 226,939 66.1% James Betts (R) 111,535 32.5% 4,997 [+] 1.5% 343,471 4 8.53%
1978 G 39% James Rhodes* (R) 138,794 59.8% Richard Celeste (D) 88,888 38.3% 4,364 [+] 1.9% 232,046 11 8.16%
1976 S1 57% Robert Taft, Jr.* (R) 186,437 53.9% Howard Metzenbaum (D) 151,187 43.7% 8,466 [+] 2.4% 346,090 7 8.83%
1974 S3 44% John Glenn (D) 158,176 59.2% Ralph Perk (R) 98,601 36.9% 10,227 [+] 3.8% 267,004 6 8.94%
1974 G 45% James Rhodes (R) 146,171 53.5% John Gilligan* (D) 122,111 44.7% 5,179 [+] 1.9% 273,461 5 8.90%
1970 S1 50% Robert Taft, Jr. (R) 157,383 54.1% Howard Metzenbaum (D) 125,679 43.2% 7,781 [+] 2.7% 290,843 4 9.23%
1970 G 50% Roger Cloud (R) 161,807 55.4% John Gilligan (D) 120,855 41.4% 9,420 [+] 3.2% 292,082 12 9.17%
1968 S3 63% William Saxbe (R) 219,219 62.6% John Gilligan (D) 131,046 37.4% 0 0.0% 350,265 11 9.36%
1966 G 51% James Rhodes* (R) 198,441 71.3% Frazier Reams, Jr. (D) 79,959 28.7% 0 0.0% 278,400 9 9.64%
1964 S1 65% Robert Taft, Jr. (R) 190,583 54.3% Stephen Young* (D) 160,277 45.7% 0 0.0% 350,860 5 9.16%
1962 S3 54% Frank Lausche* (D) 180,514 62.7% John Briley (R) 107,510 37.3% 0 0.0% 288,024 -1 9.62%
1962 G 55% James Rhodes (R) 177,435 59.8% Michael DiSalle* (D) 119,355 40.2% 0 0.0% 296,790 1 9.52%
*: 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 Hamilton County, OH

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

DateDistrictWinnerRunner-Up OtherTotal Votes
2024-11-05 OH01Greg Landsman* (D) 165,300 64.7% Orlando Sonza (R) 90,003 35.3% 0 0.0% 255,303
2024-11-05 OH08Warren Davidson* (R) 76,342 53.5% Vanessa Enoch (D) 66,342 46.5% 0 0.0% 142,684
County Total for 2024-11-05:   397,987
2022-11-08 OH01Greg Landsman (D) 122,041 62.5% Steve Chabot* (R) 73,198 37.5% 0 0.0% 195,239
2022-11-08 OH08Warren Davidson* (R) 60,703 56.6% Vanessa Enoch (D) 46,476 43.4% 0 0.0% 107,179
County Total for 2022-11-08:   302,418
2020-11-03 OH01Kate Schroder (D) 130,362 51.9% Steve Chabot* (R) 112,489 44.7% 8,564 3.4% 251,415
2020-11-03 OH02Jaime Castle (D) 93,554 54.1% Brad Wenstrup* (R) 79,319 45.9% 25 0.0% 172,898
County Total for 2020-11-03:   424,313
2018-11-06 OH01Aftab Pureval (D) 108,890 54.2% Steve Chabot* (R) 88,634 44.1% 3,248 1.6% 200,772
2018-11-06 OH02Jill Schiller (D) 76,141 54.6% Brad Wenstrup* (R) 61,770 44.3% 1,644 1.2% 139,555
County Total for 2018-11-06:   340,327
2016-11-08 OH01Steve Chabot* (R) 125,612 52.3% Michele Young (D) 114,497 47.7% 112 0.0% 240,221
2016-11-08 OH02Brad Wenstrup* (R) 85,450 54.6% William Smith (D) 65,224 41.7% 5,848 3.7% 156,522
County Total for 2016-11-08:   396,743
2014-11-04 OH01Steve Chabot* (R) 79,914 57.7% Fred Kundrata (D) 58,567 42.3% 0 0.0% 138,481
2014-11-04 OH02Brad Wenstrup* (R) 57,942 58.8% Marek Tyszkiewicz (D) 40,553 41.2% 0 0.0% 98,495
County Total for 2014-11-04:   236,976
2012-11-06 OH01Steve Chabot* (R) 125,781 51.9% Jeff Sinnard (D) 106,526 44.0% 9,884 4.1% 242,191
2012-11-06 OH02Brad Wenstrup (R) 83,391 53.7% William Smith (D) 71,969 46.3% 0 0.0% 155,360
County Total for 2012-11-06:   397,551
2010-11-02 OH01Steve Chabot (R) 96,455 50.3% Steve Driehaus* (D) 90,682 47.3% 4,732 2.5% 191,869
2010-11-02 OH02Jean Schmidt* (R) 49,258 52.5% Sala Yalamanchili (D) 39,770 42.4% 4,804 5.1% 93,832
County Total for 2010-11-02:   285,701
2008-11-04 OH01Steve Driehaus (D) 151,913 53.6% Steve Chabot* (R) 131,226 46.3% 152 0.1% 283,291
2008-11-04 OH02Victoria Wulsin (D) 54,004 41.7% Jean Schmidt* (R) 53,051 40.9% 22,530 17.4% 129,585
County Total for 2008-11-04:   412,876
2006-11-07 OH01Steve Chabot* (R) 99,113 51.5% John Cranley (D) 93,486 48.5% 0 0.0% 192,599
2006-11-07 OH02Victoria Wulsin (D) 50,210 53.0% Jean Schmidt* (R) 44,447 46.9% 160 0.2% 94,817
County Total for 2006-11-07:   287,416
2005-08-02 sp OH02Jean Schmidt (R) 25,369 51.3% Paul Hackett (D) 24,105 48.7% 8 0.0% 49,482
County Total for 2005-08-02:   49,482
2004-11-02 OH01Steve Chabot* (R) 163,900 59.1% Greg Harris (D) 113,443 40.9% 198 0.1% 277,541
2004-11-02 OH02Rob Portman* (R) 89,743 70.1% Charles Sanders (D) 38,237 29.9% 52 0.0% 128,032
County Total for 2004-11-02:   405,573
2002-11-05 OH01Steve Chabot* (R) 104,565 64.2% Greg Harris (D) 58,287 35.8% 0 0.0% 162,852
2002-11-05 OH02Rob Portman* (R) 63,037 75.7% Charles Sanders (D) 20,198 24.3% 7 0.0% 83,242
County Total for 2002-11-05:   246,094
2000-11-07 OH01Steve Chabot* (R) 116,768 53.0% John Cranley (D) 98,328 44.6% 5,332 2.4% 220,428
2000-11-07 OH02Rob Portman* (R) 109,387 73.8% Charles Sanders (D) 33,740 22.8% 5,154 3.5% 148,281
County Total for 2000-11-07:   368,709
1996-11-05 OH01Steve Chabot* (R) 118,324 54.2% Mark Longabaugh (D) 94,719 43.4% 5,381 2.5% 218,424
1996-11-05 OH02Rob Portman* (R) 106,615 74.0% Thomas Chandler (D) 30,674 21.3% 6,706 4.7% 143,995
County Total for 1996-11-05:   362,419
1994-11-08 OH01Steve Chabot (R) 92,997 56.1% David Mann* (D) 72,822 43.9% 0 0.0% 165,819
1994-11-08 OH02Rob Portman* (R) 85,212 78.7% Les Mann (D) 23,014 21.3% 0 0.0% 108,226
County Total for 1994-11-08:   274,045
*: incumbent           sp: special election           RO: runoff election

Voter Registration Data for Hamilton County, OH

Party registration is not used in this state, however as of 2022 registrations in Hamilton County, OH were estimated to be 25% Republican and 42% Democrat.

YearTotalRepublicanDemocratOtherR/D EdgeR/D Edge %VAPOP %
2024 604,178 0 0.0% 0 0.0% 604,178 100.0% n/a n/a 97%
2022 596,787 0 0.0% 0 0.0% 596,787 100.0% n/a n/a 94%
2020 600,386 0 0.0% 0 0.0% 600,386 100.0% n/a n/a 95%
2018 597,883 0 0.0% 0 0.0% 597,883 100.0% n/a n/a 95%
2016 580,341 0 0.0% 0 0.0% 580,341 100.0% n/a n/a 93%
2014 545,123 0 0.0% 0 0.0% 545,123 100.0% n/a n/a 88%
2012 564,429 0 0.0% 0 0.0% 564,429 100.0% n/a n/a 91%
2010 565,418 0 0.0% 0 0.0% 565,418 100.0% n/a n/a 92%
2008 605,634 0 0.0% 0 0.0% 605,634 100.0% n/a n/a 98%
2006 566,930 0 0.0% 0 0.0% 566,930 100.0% n/a n/a 92%
2004 573,612 0 0.0% 0 0.0% 573,612 100.0% n/a n/a 92%
2002 522,307 0 0.0% 0 0.0% 522,307 100.0% n/a n/a 84%
2000 585,985 0 0.0% 0 0.0% 585,985 100.0% n/a n/a 93%
1998 568,836 0 0.0% 0 0.0% 568,836 100.0% n/a n/a 90%
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.