The Cook County Clerk is the clerk of county government in Cook County, Illinois.
The office of Cook County Clerk was established in 1831, the year that Cook County, Illinois was created. For the first several years, the clerk was appointed by the three-member Cook County Board of Commissioners. This was changed, and it became an elected office with a four-year term in 1837, with the first election being held in August of that year.
|- | colspan=16 style="text-align:center;" |Cook County Clerk general elections |- !Year !Winning candidate !Party !Vote (pct) !Opponent !Party ! Vote (pct) !Opponent !Party ! Vote (pct) !Opponent !Party ! Vote (pct) |- |1986 | | Stanley Kusper | | Democratic | | 929,949 (68.35%) | | Diana Nelson | | Republican | | 430,568 (31.35%) | | | | | | |- |1990 | | David D. Orr | | Democratic | | 799,884 (63.48%) | | Sam Panayotovich | | Republican | | 353,531 (28.06%) |Text style="background:#D2B48C | Heldia R. Richardson |Text style="background:#D2B48C | Harold Washington Party |Text style="background:#D2B48C | 106,588 (8.46%) | | | |- |1994 | | David D. Orr | | Democratic | | | | Edward Howlett | | Republican | | |Text style="background:#D2B48C | Herman W. Baker, Jr. |Text style="background:#D2B48C | Harold Washington Party |Text style="background:#D2B48C | | Curtis Jones | Populist | |- |1998 | | David D. Orr | | Democratic | | 988,136 (77.30%) | | Judie A. Jones | | Republican | | 290,256 (22.70%) | | | | | | |- |2002 | | David D. Orr | | Democratic | | 992,441 (76.11%) | | Kathleen A. Thomas | | Republican | | 311,552 (23.89%) | | | | | | |- |2006 | | David D. Orr | | Democratic | | 1,034,263 (80.78%) | | Nancy Carlson | | Republican | | 246,044 (19.22%) | | | | | | |- |2010 | | David D. Orr | | Democratic | | 1,047,462 (77.77%) | | Angel Garcia | | Republican | | 299,449 (22.23%) | | | | | | |- |2014 | | David D. Orr | | Democratic | | 1,061,515 (100%) | | | | | | | | | |- |2018 | | Karen Yarbrough | | Democratic | | 1,415,244 (99.07%) | Others | Write-ins | 13,120 (0.93%) | | | | | | |- |2022 | |Karen Yarbrough | | Democratic | |1,003,854 (71.58%) | | Tony Peraica | | Republican | |368,095 (26.26%) | | Joseph Schreiner | | Libertarian | |30,514 (2.18%) | | | |- |2024