Ohio's 23rd congressional district, 1972William Edwin Minshall, Jr., Republican (incumbent) – 98,594 (49.39%)
Dennis Kucinich, Democrat – 94,366 (47.27%)John O'Neill,
Socialist Labor Party of America – 3,615 (1.81%)Frederick D. Lyon,
American Independent Party – 2,976 (1.49%)Write-in candidates – 82 (0.04%)
Ohio's 23rd congressional district, 1974Ronald M. Mottl, Democrat – 53,338 (34.76%)
George Mastics, Republican – 46,810 (30.50%)Dennis Kucinich, independent – 45,186 (29.45%)Hugh J. Gallagher, independent – 3,461 (2.26%)Bohdan Futey, independent – 2,655 (1.73%)Arthur Cain, independent – 2,005 (1.31%)
Mayor of Cleveland (1976–1979)
Cleveland mayoral election, 1976Dennis Kucinich – 93,047 (50.81%)
Ed Feighan – 90,074 (49.19%)
Cleveland mayoral recall election, 1978Against recall – 60,250 (50.10%)For recall – 60,014 (49.90%)
Cleveland mayoral election, 1979George Voinovich – 94,541 (56.18%)Dennis Kucinich (incumbent) – 73,755 (43.83%)
Ohio Secretary of State, 1982 (Democratic primary)Sherrod Brown – 304,952 (33.77%)Dennis Kucinich – 246,618 (27.31%)Anthony O. Calabrese, Jr. – 214,901 (23.80%)Francis E. Gaul – 136,568 (15.12%)
Ohio's 20th congressional district, 1988 (Democratic primary)Mary Rose Oakar (incumbent) – 64,417 (76.74%)Dennis Kucinich – 19,530 (23.27%)
Ohio's 19th congressional district, 1992 (Democratic primary)Eric D. Fingerhut – 20,929 (24.25%)
Tim McCormack – 16,053 (18.60%)Dennis Kucinich – 15,453 (17.91%)Frank J. Valenta – 14,254 (16.52%)Thomas J. Coyne Jr. – 11,258 (13.05%)Kathleen Cotter – 4,407 (5.11%)Tom Milkovich – 1,974 (2.29%)Jackie Hrnyak – 1,011 (1.17%)Joan C. Durbak – 957 (1.11%)
Ohio's 10th congressional district, 1996 (Democratic primary)Dennis Kucinich – 37,895 (77.22%)Edward Boyle – 9,221 (18.79%)Donald B. Slusher – 1,253 (2.55%)C. River Smith – 703 (1.43%)
Ohio's 10th congressional district, 1996Dennis Kucinich, Democrat – 110,723 (49.06%)
Martin Hoke, Republican (incumbent) – 104,546 (46.32%)Robert B. Iverson,
Natural Law Party – 10,415 (4.62%)Write-in candidates – 12 (0.01%)
Ohio's 10th congressional district, 1998Dennis Kucinich, Democrat (incumbent) – 110,552 (66.77%)Joe Slovenec, Republican – 55,015 (33.23%)
Ohio's 10th congressional district, 2000Dennis Kucinich, Democrat (incumbent) – 167,093 (75.00%)Bill Smith, Republican – 48,940 (21.97%)Ron Petrie,
Libertarian Party – 6,761 (3.04%)
Ohio's 10th congressional district, 2002Dennis Kucinich, Democrat (incumbent) – 129,997 (74.06%)Jon Heben, Republican – 41,778 (23.80%)Judy Locy, independent – 3,761 (2.14%)
Minnesota Independence Party presidential caucus, 20042004 Democratic presidential primaries2004 Green National Convention (presidential tally)2004 Democratic National Convention (presidential tally)John Kerry – 4,255 (99.14%)Dennis Kucinich – 37 (0.86%)
Ohio's 10th congressional district, 2004Dennis Kucinich, Democrat (incumbent) – 172,406 (60.03%)Edward Fitzpatrick Herman, Republican – 96,463 (33.59%)Barbara Anne Ferris, independent – 18,343 (6.39%)
Ohio's 10th congressional district, 2006 (Democratic primary)Dennis Kucinich (incumbent) – 51,485 (76.42%)Barbara Anne Ferris – 15,890 (23.58%)
Ohio's 10th congressional district, 2006Dennis Kucinich, Democrat (incumbent) – 138,393 (66.41%)
Mike Dovilla, Republican – 69,996 (33.59%)
2008 New Hampshire Democratic Vice Presidential primary2008 Democratic presidential primaries, excluding the Florida and Michigan contests, only primary and caucuses votesBarack Obama – 16,706,853Hillary Rodham Clinton – 16,239,821John Edwards – 742,010Bill Richardson – 89,054Uncommitted delegates – 82,660Dennis Kucinich – 68,482Joe Biden – 64,041Mike Grave – 27,662Chris Dodd – 25,300Others – 22,556
2008 Democratic presidential primaries, including the Florida and Michigan contestsHillary Rodham Clinton – 18,225,175 (48.03%)Barack Obama – 17,988,182 (47.41%)
John Edwards – 1,006,275 (2.65%)Uncommitted delegates – 299,610 (0.79%)
Bill Richardson – 106,073 (0.28%)Dennis Kucinich – 103,994 (0.27%)
Joe Biden – 81,641 (0.22%)Scattering – 44,348 (0.12%)
Mike Gravel – 40,251 (0.11%)
Chris Dodd – 35,281 (0.09%)
Ohio's 10th congressional district, 2008 (Democratic primary)Dennis Kucinich (incumbent) – 72,646 (50.32%)
Joe Cimperman – 50,760 (35.16%)Barbara Anne Ferris – 9,362 (6.48%)Thomas E. O'Grady – 7,264 (5.03%)Rosemary A. Palmer – 4,339 (3.01%)
Ohio's 10th congressional district, 2008Dennis Kucinich, Democrat (incumbent) – 157,268 (57.02%)
Jim Trakas, Republican – 107,918 (39.13%)Paul Conroy,
Libertarian Party – 10,623 (3.85%)
Ohio's 10th congressional district, 2010Dennis Kucinich, Democrat (incumbent) – 101,343 (53.05%)Peter J. Corrigan, Republican – 83,809 (43.87%)Jeff Goggins, Libertarian – 5,874 (3.07%)
Ohio's 9th congressional district, 2012Marcy Kaptur (incumbent) – 42,902 (56.18%)Dennis Kucinich (incumbent) – 30,564 (40.02%)Graham Veysey – 2,900 (3.80%)