Dwight H. Green Republican Adlai Stevenson II Democratic The 1948 Illinois gubernatorial election took place on November 2, 1948.

[1] Incumbent Governor Dwight H. Green, a Republican seeking a third term, lost reelection to Democratic nominee Adlai Stevenson II.

[2] Stevenson launched his campaign with a speech to the McLean County Democrats Jackson Day dinner in his hometown of Bloomington on February 23, 1948.

[2] He made clear that, rather than seeking out the office himself, he had been drafted by the Democratic State Central Committee, who had asked him to be their gubernatorial candidate due to his "record in private life," and, "public service in the war and the peace," and their confidence he would win and, that as governor would be, "a credit," to the Democratic party.

[2] Green had failed to live up to his original gubernatorial campaign promise to run an "anticorruption administration".