Cook County Sheriff

The Cook County Sheriff is the sheriff of Cook County, Illinois, heading the Cook County Sheriff's Office.

Office description
Terms are currently four-years in length.

Recent election results
!Year !Winning candidate !Party !Vote (pct) !Opponent !Party ! Vote (pct) !Opponent !Party ! Vote (pct) !Opponent !Party ! Vote (pct)
 * colspan=16 style="text-align:center;" |Cook County Sheriff general elections
 * colspan=16 style="text-align:center;" |Cook County Sheriff general elections
 * 1986
 * | James E. O'Grady
 * | Democratic
 * | 706,659 (51.12%)
 * | Richard J. Elrod
 * | Democratic
 * | 673,233 (48.79%)
 * 1990
 * | Michael F. Sheahan
 * | Democratic
 * | 719,489 (55.41%)
 * | James E. O'Grady
 * | Republican
 * | 369,631	(28.47%)
 * Text style="background:#D2B48C | Tommy Brewer
 * Text style="background:#D2B48C | Harold Washington Party
 * Text style="background:#D2B48C | 191,101 (14.72%)
 * Text style="background:#008000 | William M. Piechuch, Sr.
 * Text style="background:#008000 | Illinois Solidarity
 * Text style="background:#008000 | 18,318 (1.41%)
 * 1994
 * | Michael F. Sheahan
 * | Democratic
 * | John D. Tourtelot
 * | Republican
 * Text style="background:#D2B48C | William A. Brown
 * Text style="background:#D2B48C | Harold Washington Party
 * Text style="background:#D2B48C |
 * William J. Benson
 * Populist
 * 1998
 * | Michael F. Sheahan
 * | Democratic
 * | 903,053 (71.11%)
 * | LeRoy Martin
 * | Republican
 * | 366,867 (28.89%)
 * 2002
 * | Michael F. Sheahan
 * | Democratic
 * | 984,348 (76.88%)
 * | Ronald Swick
 * | Republican
 * | 296,062 (23.12%)
 * 2006
 * | Tom Dart
 * | Democratic
 * | 942,113 (74.70%)
 * | Peter Garza
 * | Republican
 * | 319,011 (25.30%)
 * 2010
 * | Tom Dart
 * | Democratic
 * | 1,041,696 (77.26%)
 * | Frederick Collins
 * | Republican
 * | 257,682 (19.11%)
 * | Marshall P. Lewis
 * | Green
 * | 48,930 (3.63%)
 * 2014
 * | Tom Dart
 * | Democratic
 * | 1,055,783 (100%)
 * 2018
 * | Tom Dart
 * | Democratic
 * | 1,455,825 (100%)
 * 2022
 * |Tom Dart
 * | Democratic
 * |1,041,525 (74.21%)
 * | Lupe Aguirre
 * | Republican
 * | 321,252 (22.89%)
 * | Brad Sandefur
 * | Libertarian
 * | 40,752 (2.90%)
 * 2010
 * | Tom Dart
 * | Democratic
 * | 1,041,696 (77.26%)
 * | Frederick Collins
 * | Republican
 * | 257,682 (19.11%)
 * | Marshall P. Lewis
 * | Green
 * | 48,930 (3.63%)
 * 2014
 * | Tom Dart
 * | Democratic
 * | 1,055,783 (100%)
 * 2018
 * | Tom Dart
 * | Democratic
 * | 1,455,825 (100%)
 * 2022
 * |Tom Dart
 * | Democratic
 * |1,041,525 (74.21%)
 * | Lupe Aguirre
 * | Republican
 * | 321,252 (22.89%)
 * | Brad Sandefur
 * | Libertarian
 * | 40,752 (2.90%)
 * 2018
 * | Tom Dart
 * | Democratic
 * | 1,455,825 (100%)
 * 2022
 * |Tom Dart
 * | Democratic
 * |1,041,525 (74.21%)
 * | Lupe Aguirre
 * | Republican
 * | 321,252 (22.89%)
 * | Brad Sandefur
 * | Libertarian
 * | 40,752 (2.90%)
 * 2022
 * |Tom Dart
 * | Democratic
 * |1,041,525 (74.21%)
 * | Lupe Aguirre
 * | Republican
 * | 321,252 (22.89%)
 * | Brad Sandefur
 * | Libertarian
 * | 40,752 (2.90%)
 * | Lupe Aguirre
 * | Republican
 * | 321,252 (22.89%)
 * | Brad Sandefur
 * | Libertarian
 * | 40,752 (2.90%)