President of the Cook County Board of Commissioners
# President of the Cook County Board of Commissioners

The President of the Cook County Board of Commissioners is the chief executive of county government in Cook County, Illinois. They are the head of the Cook County Board of Commissioners.

## Officeholders

| President | Term start | Term end | Terms | Years | Party |
| - | - | - | - | - | - |
| Henry B. Miller | 1872 | 1873 | | | |
| S. Ashton | 1873 | 1874 | | | |
| William R. Burdick | 1874 | 1875 | | | |
| A. B. Johnson | 1875 | 1876 | | | |
| Charles C. P. Holden | 1876 | 1877 | | | |
| Henry Senne | December 1877 | December 1879 | | | |
| John Wesley Stewart | December 1879 | December 1880 | | | Republican |
| D. B. Purington | 1880 | 1881 | | | |
| D. W. Clark | 1881 | 1882 | | | |
| Adam Ochs | 1882 | 1883 | | | Democratic |
| Joseph Donnersberger | 1883 | 1884 | | | Democratic |
| Henry Senne | 1884 | 1885 | | | |
| George C. Klehm | 1885 | 1887 | | | Republican |
| J. Frank Aldrich | 1887 | 1887 | | | Republican |
| Henry C. Senne | 1887 | 1889 | | | Republican |
| George Edmanson | 1889 | 1890 | | | |
| Robert J. Smith | 1890 | 1891 | | | |
| John M. Green | 1891 | 1892 | | | |
| George Edmanson | 1892 | 1893 | | | |
| George Struckman | 1893 | 1894 | | | |
| Daniel D. Healy | 1894 | 1898 | | | |
| James C. Irwin | 1898 | 1900 | | | |
| John J. Hanberg | 1900 | 1902 | | | |
| Henry G. Foreman | 1902 | 1904 | | | Republican |
| Edward J. Brundage | 1904 | 1907 | | | Republican |
| William Busse | 1907 | 1910 | | | Republican |
| Peter Bartzen | 1910 | 1912 | | | Democratic |
| Alexander A. McCormick | 1912 | 1914 | | | Progressive |
| Peter Reinberg | 1914 | 1921 | | | Democratic |
| Daniel Ryan Sr. | 1921 | 1922 | | | Democratic |
| Anton Cermak | 1922 | 1931 | | | Democratic |
| Emmett Whealan | 1931 | 1934 | | | Democratic |
| Clayton F. Smith | 1934 | 1946 | | | Democratic |
| William N. Erickson | 1946 | 1954 | | | Republican |
| Dan Ryan Jr. | 1954 | 1961 | | | Democratic |
| John J. Duffy | 1961 | 1962 | | | Democratic |
| Seymour Simon | 1962 | 1966 | 1 | 4 | Democratic |
| Richard B. Ogilvie | 1966 | January 1969 | | | Republican |
| George Dunne | January 1969 | December 1990 | | | Democratic |
| Richard Phelan | December 1990 | December 1994 | 1 | 4 | Democratic |
| John Stroger | December 5, 1994 | August 1, 2006 | | | Democratic |
| Bobbie L. Steele | August 1, 2006 | December 4, 2006 | | | Democratic |
| Todd H. Stroger | December 4, 2006 | December 6, 2010 | 1 | 4 | Democratic |
| Toni Preckwinkle | December 6, 2010 | | 4* | 17* | Democratic |

## Recent election results

President of the Cook County Board of Commissioners general elections :

| Year | Winning candidate | Party | Vote (pct) | Opponent | Party | Vote (pct) | Opponent | Party | Vote (pct) | Opponent | Party |
| - | - | - | - | - | - | - | - | - | - | - | - |
| 1986 | George Dunne | Democratic | 808,126 (60.61%) | Joseph D. Matthewson | Republican | 525,288 (39.39%) | | | | | |
| 1990 | Richard J. Phelan | Democratic | 714,638 (55.65%) | Aldo DeAngelis | Republican | 405,771 (31.60%) | Barbara J. Norman | Harold Washington Party | 163,817 (12.76%) | | |
| 1994 | John H. Stroger, Jr. | Democratic | | Joe Morris | Republican | | Aloysius Majerczyk | Harold Washington Party | | Jerome Carter | Populist |
| 1998 | John H. Stroger, Jr. | Democratic | 834,972 (63.49%) | Aurelia Marie Pucinski | Republican | 480,191 (36.61%) | | | | | |
| 2002 | John H. Stroger, Jr. | Democratic | 901,679 (68.73%) | Christopher A. Bullock | Republican | 410,155 (31.27%) | | | | | |
| 2006 | Todd H. Stroger | Democratic | 690,945 (53.68%) | Tony Peraica | Republican | 596,212 (46.32%) | | | | | |
| 2010 | Toni Preckwinkle | Democratic | 939,056 (69.54%) | Roger A. Keats | Republican | 357,070 (26.44%) | Thomas Tresser | Green | 54,273 (4.02%) | | |
| 2014 | Toni Preckwinkle | Democratic | 1,072,886 (100%) | | | | | | | | |
| 2018 | Toni Preckwinkle | Democratic | 1,355,407 (96.11%) | Others | Write-ins | 54,917 (3.89%) | | | | | |
| 2022 | Toni Preckwinkle | Democratic | 967,062 (68.54%) | Bob Fioretti | Republican | 399,339 (28.30%) | Thea Tsatsos | Libertarian | 44,615 (3.16%) | | |
