The 2004 Delaware gubernatorial election was held on November 2, 2004, coinciding with the U.S. presidential election. Incumbent Governor Ruth Ann Minner faced a serious challenge from retired Superior Court Judge Bill Lee but managed a five-point victory on election day. As of , this is the last time Kent County voted Republican in a gubernatorial election, and the last time the Republican gubernatorial nominee won a majority of Delaware's counties.
Counties that flipped from Democratic to Republican