| 1904-1905 |
John Grieb, City Marshall |
| 1905-1911 |
WillisA. Martin, City Marshall |
| 1911-1913 |
W.A. Summers, City Marshall |
| 1913 |
D.A. Nicols, City Marshall |
| 1913-1916 |
Nathaniel J. Hutson, City Marshall |
| 1916-1918 |
Arthur S. Whitener, City Marshall |
| 1918-1921 |
W.J. Segraves, Chief of Police |
| 1921-1922 |
Nathaniel J. Hutson, Chief of Police |
| 1922-1924 |
H.F. Wickham, Chief of Police |
| 1924-1925 |
Arthur S. Whitener, Chief of Police |
| 1925 |
W.C. Kelpe, Interim Chief of Police |
| 1925-1926 |
W.W. Billings, Chief of Police |
| 1926-1930 |
H.F. Wickham, Chief of Police |
| 1930-1934 |
J.E. Crafton, Chief of Police |
| 1934-1936 |
Edgar W. Hirsch, Chief of Police |
| 1936-1937 |
Herbert F. Wickham, Jr., Chief of Police |
| 1937 |
Paul McNeely, Chief of Police |
| 1937-1938 |
Charles Schweer, Chief of Police |
| 1938-1940 |
Edgar W. Hirsch, Chief of Police |
| 1940-1941 |
Ed Barenkamp, Chief of Police |
| 1946 |
Marshall F. Morton, Chief of Police |
| 1946-1947 |
F.L. Schneider, Chief of Police |
| 1947-1948 |
John Penn, Chief of Police |
| 1948-1952 |
William A. Mills, Chief of Police |
| 1952 |
F.L. Schneider, Chief of Police |
| 1952-1953 |
Irvin Richmond, Chief of Police |
| 1953-1954 |
Marshall F. Morton, Chief of Police |
| 1954-1955 |
Kenneth Cruse,Chief of Police |
| 1955-1956 |
F.L. Schneider, Chief of Police |
| 1956-1964 |
Percy R. Little, Chief of Police |
| 1964-1974 |
Irvin E. Beard, Chief of Police |
| 1974 |
Donald R. Roberts, Interim Chief of Police |
| 1974 |
W.W. Stover, Interim Chief of Police |
| 1974-1981 |
Henry H. Gerecke, Chief of Police |
| 1981-1982 |
Donald R. Roberts,InterimChief of Police |
| 1982-1988 |
D. Ray Johnson, Chief of Police |
| 1988-1989 |
Howard H. Boyd, Jr., Interim Chief of Police |
| 1989-1996 |
Howard H. Boyd, Jr., Chief of Police |
| 1996-1997 |
Stephen C. Strong, Interim Chief of Police |
| 1997-2001 |
Richard L. Hetzel, Chief of Police |
| 2001-2005 |
Stephen C. Strong, Chief of Police |
| 2005-2012 |
Carl A. Kinnison, Chief of Police |
2012-2013
|
Roger W. Fields, InterimChief of Police |
2013-Present
|
Wes Blair, Chief of Police |