The Cook County Sheriff is the sheriff of Cook County, Illinois, heading the Cook County Sheriff's Office.
Terms are currently four-years in length.
| Sherriff
|
Term in office
|
Party
|
Notes
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Cite
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| File:John H Kinzie c1850s (a).png
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John H. Kinzie
|
1831–1832
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Appointed by governor John Reynolds
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[1][2]
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Stephen R. Forbes
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1832–1834
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Cook County's first elected sheriff
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[2][3]
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Silas W. Sherman
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1834–1838
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Democratic
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[4]
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Isaac R. Gavin
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1838–1840
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Independent Democrat
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[4][5]
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Ashbel Steele
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1840–1842
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[5]
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Samuel J. Lowe
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1842–1846
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[5]
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Isaac Cook
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1846–1850
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[5]
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William L. Church
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1850–1852
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[5]
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Cyrus Bradley
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1852–1854
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[5]
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James Andrew
|
1854–1855
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[5]
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James Beach
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1855–1856 (acting)
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[5]
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John L. Wilson
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1856–1858
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[5]
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John Gray
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1859–1860
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[5]
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| File:Hesing-Anton-C (1).tiff
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Anton C. Hesing
|
1860–1862
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Republican
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[5]
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David Hammond
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1862–1864
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[5]
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John A. Nelson
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1864–1866
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[5]
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| File:John.L.Beveridge.1 (1).jpg
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John Lourie Beveridge
|
1866–1868
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Republican
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[6][7]
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Gustav Fischer
|
1868–1870
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Absconded in 1869
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Benjamin L. Cleaves
|
1870
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Simultaneously ex officio Cook County Coroner
|
[5]
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Timothy Bradley
|
1870–1872
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[8]
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| File:Charles Kern Sheriff.png
|
Charles Kern
|
1872–1878
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Democratic
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[8]
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John Hoffman
|
1878–1880
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Republican
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[8][9]
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| File:Orrin Mann Portrait.png
|
Orrin L. Mann
|
1880–1882
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Republican
|
Elected in 1880
|
[10]
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| File:Seth F. Hanchett (1).jpg
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Seth Hanchett
|
1882–1886
|
Republican
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|
[11][12]
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| File:Canute Matson Portrait.png
|
Canute R. Matson
|
1886–1890
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Republican
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[8]
|
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James H. Gilbert
|
1890–1894
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| File:Sheriff James Pease.png
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James Pease
|
1894–1898
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Republican
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[13]
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| File:EJ Magerstadt.png
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Ernest Magerstadt
|
1899–1902
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Republican
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Thomas E. Barrett
|
1902–1906
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Democratic
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[14][15][16]
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| File:Christopher Strassheim Portrait.png
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Christopher Strassheim
|
1906–1910
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Republican
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[16]
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| File:Michael Zimmer (1).png
|
Michael Zimmer
|
1910–1914
|
Democratic
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[16]
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| File:John E Traeger Portrait.png
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John E. Traeger
|
1914–1918
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Democratic
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[16]
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| File:Charles W. Peters (1).jpg
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Charles W. Peters
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1918–1922
|
Republican
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[1][16]
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| File:Peter M. Hoffman (a) (1).jpg
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Peter M. Hoffman
|
December 1922–December 26, 1926
|
Republican
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[17][18][19]
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| File:Cook County Sheriff requesting troops to secure Chicago during its 1927 municipal general election (1).jpg
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Charles E. Graydon
|
December 29, 1926–December 1928
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[19]
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| File:John E Traeger Portrait.png
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John E. Traeger
|
December 3, 1928–December 1930
|
Democratic
|
Had previously served as sheriff
|
[20][21]
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| File:William D. Meyering in 1925 (1).jpg
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William D. Meyering
|
1930–1934
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Democratic
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[17][20]
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John Toman
|
1934–1938
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[20]
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| File:Thomas J. O'Brien (1).jpg
|
Thomas J. O'Brien
|
1938–1942
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Democratic
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[20]
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A. L. Brodie
|
1942–1943
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[20]
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William J. Tuohy
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[22]
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Elmer Michael Walsh
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1946-1950
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Republican
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Elected in 1946
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[20]
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John E. Babb
|
1950–1954
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Republican
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[20][23]
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| File:Joseph D Lohman 1959.jpg
|
Joseph D. Lohman
|
1954–1958
|
Democrat
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[20][23]
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Frank G. Sain
|
1958-1962
|
Democrat
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|
[20][24]
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| File:Richard B. Ogilvie.jpg
|
Richard B. Ogilvie
|
1962–1966
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Republican
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[20]
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Joseph I. Woods
|
1966–1970
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Republican
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[20]
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| File:Richard Elrod, circa 1969 (3x4).jpg
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Richard Elrod
|
1970–1986
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Democratic
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[20]
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James E. O'Grady
|
1986–1990
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Republican
|
Elected in 1986; lost reelection in 1990
|
[20]
|
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Michael F. Sheahan
|
1990–2006
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Democratic
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Elected in 1990, 1994, 1998, 2002
|
[20]
|
| File:Tom Dart 2017-06-08 (1).png
|
Tom Dart
|
2006–present
|
Democratic
|
Elected in 2006, 2010, 2014, 2018, 2022
|
[20]
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| Cook County Sheriff general elections
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| 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[25]
|
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[25]
|
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[25]
|
Michael Zimmer
|
Democratic
|
165,445 ( %)
|
Frank A. Volger
|
Republican
|
145,598
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William Van Bodegraven
|
Socialist
|
27,588 ( %)
|
O. F. Sarber
|
Prohibition
|
5,038 (%)
|
|
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| 1914[26]
|
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[26]
|
Charles W. Peters
|
Republican
|
177,912 ( %)
|
Anton Cermak
|
Democratic
|
174,829 (%)
|
Adolf Dreifuss
|
Socialist
|
19,572 ( %)
|
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|
1922 ... 1982
|
[data missing]
|
| 1986[27]
|
James E. O'Grady
|
Democratic
|
706,659 (51.12%)
|
Richard J. Elrod
|
Democratic
|
673,233 (48.79%)
|
|
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|
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| 1990[28]
|
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
|
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William A. Brown
|
Harold Washington Party
|
|
William J. Benson
|
Populist
|
|
| 1998[29]
|
Michael F. Sheahan
|
Democratic
|
903,053 (71.11%)
|
LeRoy Martin
|
Republican
|
366,867 (28.89%)
|
|
|
|
|
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| 2002[30][31]
|
Michael F. Sheahan
|
Democratic
|
984,348 (76.88%)
|
Ronald Swick
|
Republican
|
296,062 (23.12%)
|
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| 2006[32]
|
Tom Dart
|
Democratic
|
942,113 (74.70%)
|
Peter Garza
|
Republican
|
319,011 (25.30%)
|
|
|
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| 2010[33]
|
Tom Dart
|
Democratic
|
1,041,696 (77.26%)
|
Frederick Collins
|
Republican
|
257,682 (19.11%)
|
Marshall P. Lewis
|
Green
|
48,930 (3.63%)
|
|
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| 2014[34]
|
Tom Dart
|
Democratic
|
1,055,783 (100%)
|
|
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| 2018[35]
|
Tom Dart
|
Democratic
|
1,455,825 (100%)
|
|
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| 2022[36]
|
Tom Dart
|
Democratic
|
1,041,525 (74.21%)
|
Lupe Aguirre
|
Republican
|
321,252 (22.89%)
|
Brad Sandefur
|
Libertarian
|
40,752 (2.90%)
|
|
|
|
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