United States Senate election in Illinois, 1968
The 1968 United States Senate election in Illinois was held on November 5, 1968, to elect one of Illinois's members to the United States Senate. Incumbent Republican U.S. Senator and Minority Leader Everett Dirksen won re-election to his fourth term.
- William G. Clark (D), Illinois Attorney General
- Everett M. Dirksen (R), incumbent U.S. Senator and Senate Minority Leader
|Republican||Everett M. Dirksen (incumbent)||2,358,947||53.01|
|Democratic||William G. Clark||2,073,242||46.59|
|Socialist Labor||Louis Fisher||17,542||0.39|
|Invalid or blank votes|