The 2010 Illinois gubernatorial election took place on November 2, 2010. Incumbent Democratic Governor Pat Quinn was elected to a full term in office, having become governor in 2009 following the impeachment and removal of Governor Rod Blagojevich. Quinn was elected as the Democratic nominee, the Illinois Green Party nominee was attorney and 2006 nominee Rich Whitney, the Republican nominee was State Senator Bill Brady, the Libertarian Party nominee was Lex Green, and Scott Lee Cohen ran as an independent.
The 1994 Illinois gubernatorial election was held on November 8, 1994. Incumbent Republican Governor Jim Edgar won reelection in the largest landslide in over a century, after the elections of 1818 and 1848.
The 1998 Illinois gubernatorial election took place on November 3, 1998. Incumbent Republican Governor Jim Edgar did not run for a third term in office. Republican nominee George Ryan, the Illinois Secretary of State, narrowly won the election against Democratic Congressman Glenn Poshard.
The 1986 Illinois gubernatorial election was held on November 4, 1986. Republican candidate James R. Thompson won a fourth term in office, defeating the Illinois Solidarity Party nominee, former United States Senator Adlai Stevenson III, by around 400,000 votes.
The 1990 Illinois gubernatorial election was held on November 6, 1990 to elect the governor and lieutenant governor of Illinois. The incumbent Governor Jim Thompson chose to retire instead of seeking reelection to a fifth term. The Republican nominee, Secretary of State Jim Edgar, narrowly defeated the Democratic nominee, Attorney General Neil Hartigan, by about 80,000 votes out of the over 3.2 million cast.
The 1864 Illinois gubernatorial election was the thirteenth election for this office and took place during the American Civil War. Republican governor Richard Yates did not run for re-election, but was instead elected to serve in the United States Senate. Major General Richard J. Oglesby resigned his commission to run as the Republican nominee. Congressman James Carroll Robinson was the Democratic nominee. At this time in Illinois history, the Lieutenant Governor was elected on a separate ballot from the governor. This would remain the case until the adoption of the 1970 constitution.
The 1972 Illinois gubernatorial election was held in Illinois on November 7, 1972. Incumbent first-term Republican governor Richard B. Ogilvie lost reelection in an upset to the Democratic nominee, Dan Walker.
The 1968 Illinois gubernatorial election was held in Illinois on November 5, 1968. Democratic nominee, incumbent governor Samuel H. Shapiro, lost reelection to Republican nominee Richard B. Ogilvie, who was the president of the Cook County Board of Commissioners and former sheriff of Cook County.
The 2022 Illinois gubernatorial election took place on November 8, 2022, to elect the governor of Illinois, concurrently with the 2022 Illinois general election. Gubernatorial candidates ran on tickets with candidates for lieutenant governor. The incumbent governor and lieutenant governor, first-term Democrats J. B. Pritzker and Juliana Stratton, sought re-election together against Republican nominees Illinois State Senator Darren Bailey and his running mate Stephanie Trussell.
The 1916 Illinois gubernatorial election was held on November 7, 1916. Incumbent Democratic Governor Edward Fitzsimmons Dunne was defeated by Republican nominee Frank Orren Lowden.
The 1952 Illinois gubernatorial election was held on November 4, 1952.
The 1928 Illinois gubernatorial election was held on November 6, 1928. Incumbent two-term Republican Governor Len Small was defeated in the Republican primary. Republican nominee Louis Lincoln Emmerson defeated Democratic nominee Floyd E. Thompson with 56.76% of the vote.
The 1932 Illinois gubernatorial election was held on November 8, 1932. Democratic nominee Henry Horner defeated Republican nominee and former Governor Len Small with 57.62% of the vote.
The 1920 Illinois gubernatorial election was held on November 2, 1920.
The 1924 Illinois gubernatorial election was held on November 4, 1924. Incumbent first-term Republican Governor Len Small defeated Democratic nominee Norman L. Jones with 56.72% of the vote.
The 1884 Illinois gubernatorial election was held on November 4, 1884.
The 1908 Illinois gubernatorial election was held on November 3, 1908. It saw the election of Republican nominee John G. Oglesby.
The 1924 Illinois lieutenant gubernatorial election was held on November 4, 1924. Incumbent Republican Lieutenant Governor Fred E. Sterling won a landslide reelection.
The 1928 Illinois lieutenant gubernatorial election was held on November 6, 1928. Incumbent Republican lieutenant governor Fred E. Sterling was reelected to a third consecutive term.
The 1932 Illinois gubernatorial election was held on November 8, 1932. It saw the election of Democrat Thomas Donavan, who defeated incumbent Republican lieutenant governor Fred E. Sterling.
