1952: Dwight D Eisenhower (Republican)
1956: Dwight D Eisenhower (Republican)
1960: Richard Nixon (Republican)
1964: Barry Goldwater (Republican)
1968: Richard Nixon (Republican)
1972: Richard Nixon (Republican)
1976: Gerald Ford (Republican)
1980: John Anderson (Independent)
1984: David Bergland (Libertarian)
1988: George H.W. Bush (Republican)*
1992: George H.W. Bush (Republican)*
1996: Bob Dole (Republican)*
2000: George W. Bush (Republican)*
2004: Michael Badnarik (Libertarian)*
2008: Bob Barr (Libertarian)*
*Indicates actually voted
Primaries (all GOP):
1952: Robert Taft
1956: Dwight Eisenhower
1960: Barry Goldwater
1964: Barry Goldwater
1968: Richard Nixon
1972: Richard Nixon
1976: Gerald Ford
1980: Phil Crane
1984: Unpledged
1988: George HW Bush*
1992: George HW Bush*
1996: Steve Forbes*
2000: Steve Forbes*
2004: Didn't Vote
2008: Ron Paul*
*Indicates Actually Voted