Cook County Sheriff
Office description
Terms are currently four-years in length.
Officeholders
Sherriff
Term in office
Party
Notes
Cite
John H. Kinzie
1831–1832
Appointed by governor John Reynolds
Stephen R. Forbes
1832–1834
Cook County's first elected sheriff
Silas W. Sherman
1834–1838
Democratic
Isaac R. Gavin
1838–1840
Independent Democrat
Ashbel Steele
1840– 1842
Samuel J. Lowe
1842– 1846
Isaac Cook
1846– 1850
William L. Church
1850– 1852
Cyrus Bradley
1852–1854
James Andrew
1854– 1855
James Beach
1855– 1856 (acting )
John L. Wilson
1856– 1858
John Gray
1859– 1860
Anton C. Hesing
1860–1862
Republican
David Hammond
1862–1864
John A. Nelson
1864–1866
John Lourie Beveridge
1866–1868
Republican
Gustav Fischer
1868–1870
Absconded in 1869
Benjamin L. Cleaves
1870
Simultaneously ex officio Cook County Coroner
Timothy Bradley
1870–1872
Charles Kern
1872–1878
Democratic
John Hoffman
1878–1880
Republican
Orrin L. Mann
1880–1882
Republican
Elected in 1880
Seth Hanchett
1882–1886
Republican
Canute R. Matson
1886–1890
Republican
James H. Gilbert
1890– 1894
James Pease
1894– 1898
Republican
Ernest Magerstadt
1899– 1902
Republican
Thomas E. Barrett
1902–1906
Democratic
Christopher Strassheim
1906–1910
Republican
Michael Zimmer
1910–1914
Democratic
John E. Traeger
1914–1918
Democratic
Charles W. Peters
1918–1922
Republican
Peter M. Hoffman
December 1922–December 26, 1926
Republican
Charles E. Graydon
December 29, 1926–December 1928
John E. Traeger
December 3, 1928–December 1930
Democratic
Had previously served as sheriff
William D. Meyering
1930–1934
Democratic
John Toman
1934–1938
Thomas J. O'Brien
1938–1942
Democratic
A. L. Brodie
1942–1943
Michael F. Mulcahy
Elmer Michael Walsh
1946-1950
Republican
Elected in 1946
John E. Babb
1950–1954
Republican
Joseph D. Lohman
1954–1958
Democrat
Frank G. Sain
1958-1962
Democrat
Richard B. Ogilvie
1962–1966
Republican
Joseph I. Woods
1966–1970
Republican
Richard Elrod
1970–1986
Democratic
James E. O'Grady
1986–1990
Republican
Elected in 1986 ; lost reelection in 1990
Michael F. Sheahan
1990–2006
Democratic
Elected in 1990 , 1994 , 1998 , 2002
Tom Dart
2006–present
Democratic
Elected in 2006 , 2010 , 2014 , 2018 , 2022
Election results
Cook County Sheriff general elections
Year
Winning candidate
Party
Vote (pct)
Opponent
Party
Vote (pct)
Opponent
Party
Vote (pct)
Opponent
Party
Vote (pct)
Opponent
Party
Vote (pct)
Opponent
Party
Vote (pct)
1832 ... 1898
[ data missing ]
1902
Thomas E. Barrett
Democratic
141,822 ( %)
Daniel D. Healy
Republican
135,036 ( %)
James P. Larsen
Social Democratic
13,134 ( %)
Henry Sale
Socialist Labor
5,973 ( %)
Joseph P. Tracy
Prohibition
4,480 (1.32%)
Thomas Donegan
Single Tax
908 ( %)
1906
Christopher Strassheim
Republican
131,608 ( %)
Harry J. Gibbons
Democratic
93,836 ( %)
James J. Gray
Independent League
49,296 ( %)
26,055
Socialist
26,055 ( %)
S. A. Wilson
Prohibition
3,735 (%)
John Fitzpatrick
Progressive Alliance
1,400 ( %)
1910
Michael Zimmer
Democratic
165,445 ( %)
Frank A. Volger
Republican
145,598
William Van Bodegraven
Socialist
27,588 ( %)
O. F. Sarber
Prohibition
5,038 (%)
1914
John E. Traeger
Democratic
166,335 ( %)
George K. Schmidt
Republican
112,502
Frederick S. Oliver
Progressive
50,117 ( %)
Bernard McMahon
Socialist
23,319 ( %)
George W. Hoover
Prohibition
1,229 (%)
1918
Charles W. Peters
Republican
177,912 ( %)
Anton Cermak
Democratic
174,829 (%)
Adolf Dreifuss
Socialist
19,572 ( %)
1922 ... 1982
[ data missing ]
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%)
Tommy Brewer
Harold Washington Party
191,101 (14.72%)
William M. Piechuch, Sr.
Illinois Solidarity
18,318 (1.41%)
1994
Michael F. Sheahan
Democratic
John D. Tourtelot
Republican
William A. Brown
Harold Washington Party
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%)
References
1 2 "Organized Crime & Political Corruption" . www.ipsn.org . Archived from the original on October 30, 2020. Retrieved October 24, 2020 .
1 2 "Encyclopedia letter K" . earlychicago.com . Early Chicago - Chicago History. Archived from the original on October 27, 2020. Retrieved October 24, 2020 .
↑ East, Ernest E. (1944). "The Inhabitants of Chicago, 1825-1831" . Journal of the Illinois State Historical Society . 37 (2): 131– 163. JSTOR 40188099 . Retrieved October 24, 2020 .
1 2 Healy, Daniel David (1909). History of Cook County, Illinois--: Being a General Survey of Cook County History, Including a Condensed History of Chicago and Special Account of Districts Outside the City Limits; from the Earliest Settlement to the Present Time . Goodspeed Historical Association. pp. 324, 330, 331. ISBN 9780608368931 . Retrieved October 25, 2020 .
1 2 3 4 5 6 7 8 9 10 11 12 13 14 Fergus' Historical Series, Issues 1-10 . Fergus Printing Company. 1876. p. 598.
↑ "John Lourie Beveridge" . National Governors Association . Retrieved October 24, 2020 .
↑ "Illinois Governors: John Beveridge" . www.illinoisancestors.org . Illinois Ancestors. Retrieved October 24, 2020 .
1 2 3 4 Ahern, M. L. (1886). Political History of Chicago: (covering the Period from 1837 to 1887) Local Politics from the City's Birth; Chicago's Mayors, Aldermen and Other Officials; County and Federal Officers; the Fire and Police Departments; the Haymarket Horror; Miscellaneous . Donohue & Henneberry, printers and binders. pp. 21, 86, 154, 158. Retrieved October 25, 2020 .
↑ "Image 7 of Chicago daily tribune (Chicago, Ill.), December 1, 1878" . Chicago Tribune. December 1, 1878. Retrieved October 24, 2020 .
↑ "GENERAL O. L. MANN" . Newspapers.com . The Inter Ocean (Chicago). November 1, 1880. Retrieved August 9, 2021 .
↑ "The..." . Newspapers.com . The Inter Ocean (Chicago). October 20, 1882. Retrieved August 9, 2021 .
↑ "SETH HANCHETT'S RECEPTION" . Newspapers.com . The Inter Ocean (Chicago). December 1, 1882. Retrieved August 9, 2021 .
↑ Illinois Political Directory and Sketch Book, 1898: With Portraits of Party Leaders, Volume 1 . Chicago: Bodine & Co. 1898.
↑ "The Political Graveyard: Knights of Columbus, politicians, Illinois" . politicalgraveyard.com . Retrieved October 25, 2020 .
↑ "The Political Graveyard: Cook County, Ill" . politicalgraveyard.com . Retrieved October 25, 2020 .
1 2 3 4 5 The Chicago Daily News Almanac and Year Book for ... Chicago Daily News Company. 1921. p. 598.
1 2 "Organized Crime & Political Corruption" . www.ipsn.org . Retrieved October 24, 2020 .
↑ "Will this log cabin built by Capone-era sheriff be saved?" . Crain's Chicago Business . July 10, 2020. Retrieved October 24, 2020 .
1 2 "GRAYDON WILL TAKE OFFICE AS SHERIFF TODAY" . Newspapers.com . Chicago Tribune. December 29, 1926. Retrieved August 10, 2021 .
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 "Cook County" . Illinois Sheriffs' Association . Retrieved October 24, 2020 .
↑ "LIUET. COLLINS NAMED CHIEF OF HIGHWAY POLICE" . Newspapers.com . Chicago Tribune. December 1, 1928.
↑ "Illinois blue book, 1945-1946" . State of Illinois . p. 645. Retrieved March 14, 2025 .
1 2 "Organized Crime & Political Corruption" . www.ipsn.org . Retrieved October 24, 2020 .
↑ "Press, Democrats of Cook County Select Sain" . The Daily Chronicle . January 9, 1958. p. 1.
1 2 3 "Chicago Daily News Almanac" . Chicago Daily News Company. 1911. pp. 511– 512. Retrieved February 12, 2025 .
1 2 The Chicago Daily News Almanac and Year Book for ... Chicago Daily News Company. 1921. p. 784. Retrieved March 13, 2020 .
↑ "Official Final Results General Election Cook County, Illinois Tuesday, November 4, 1986" (PDF) . voterinfo.net . Archived from the original (PDF) on October 3, 2008.
↑ "OFFICIAL FINAL RESULTS GENERAL ELECTION COOK COUNTY, ILLINOIS TUESDAY, NOVEMBER 6, 1990" (PDF) . voterinfo.net . Archived from the original (PDF) on October 3, 2008.
↑ "OFFICIAL FINAL RESULTS GENERAL ELECTION COOK COUNTY, ILLINOIS TUESDAY, NOVEMBER 3, 1998" (PDF) . results.cookcountyclerkil.gov .
↑ "TABULATED STATEMENT OF THE RETURNS AND PROCLAMATION OF THE RESULTS OF THE CANVASS OF THE ELECTION RETURNS FOR THE GENERAL ELECTION HELD IN EACH OF THE PRECINCTS IN ALL THE WARDS IN THE CITY OF CHICAGO ON TUESDAY, NOVEMBER 5, 2002 A.D." (PDF) . Chicago Board of Election Commissioners. Retrieved June 18, 2020 .
↑ "SUBURBAN COOK COUNTY RESULTS" . voterinfonet.com . Cook County Clerk. Archived from the original on February 9, 2005.
↑ "Cook County and the City of Chicago Combined Summary Report November 2006 General Election Tuesday, November 7th, 2006" (PDF) . Cook County Clerk's Office. Archived from the original (PDF) on September 22, 2021. Retrieved March 16, 2020 .
↑ "Cook County General Election November 2, 2010 Combined Summary Report" (PDF) . Cook County Clerk's Office. Retrieved March 16, 2020 .
↑ "General Election Cook County and The City of Chicago Tuesday, November 4, 2014 Combined Summary" (PDF) . Cook County Clerk's Office. Archived from the original (PDF) on January 28, 2022. Retrieved March 16, 2020 .
↑ "Cook County and The City of Chicago General Election November 6, 2018 Combined Summary" (PDF) . Cook County Clerk's Office. Archived from the original (PDF) on July 8, 2021. Retrieved March 9, 2020 .
↑ "Tabulated Statement of the Returns and Proclamation of the Results of the Canvass of the Election Returns for the November 8, 2022 Gubernatorial General Election Held in Each of the Precincts in Cook County, Illinois Including the City of Chicago" (PDF) . www.cookcountyclerkil.gov . Cook County Clerk. 2022. Retrieved December 6, 2022 .