1970 United States Senate special election in Illinois

1970 United States Senate special election in Illinois
Turnout	67.43%
	County results; Stevenson: 40–50% 50–60% 60–70%; Smith: 40–50% 50–60% 60–70%
U.S. senator before election; Ralph Tyler Smith; Republican	Elected U.S. senator ; Adlai Stevenson III; Democratic

The 1970 United States Senate special election in Illinois was held on November 3, 1970,^[1] to fill the remainder of the term of Republican Everett Dirksen, who had died in office. Republican Ralph Tyler Smith had been appointed to fill the seat after Dirksen's death, and he lost the special election to Democrat Adlai Stevenson III. This election was the third consecutive time in which a United States Senate election in Illinois took place two years after a previous United States Senate election in Illinois after 1966 and 1968.

^ "OFFICIAL VOTE Cast at the GENERAL ELECTION NOVEMBER 3, 1970 JUDICIAL • MEMBERS OF CONSTITUTIONAL CONVENTION PRIMARY AND GENERAL • PROPOSED 1970 CONSTITUTION • SPECIAL ELECTIONS • PRIMARY ELECTION GENERAL PRIMARY, MARCH, 17, 1970" (PDF). Illinois State Board of Elections. Archived from the original (PDF) on November 22, 2021. Retrieved June 28, 2020.

[results-1] "OFFICIAL VOTE Cast at the GENERAL ELECTION NOVEMBER 3, 1970 JUDICIAL • MEMBERS OF CONSTITUTIONAL CONVENTION PRIMARY AND GENERAL • PROPOSED 1970 CONSTITUTION • SPECIAL ELECTIONS • PRIMARY ELECTION GENERAL PRIMARY, MARCH, 17, 1970" (PDF). Illinois State Board of Elections. Archived from the original (PDF) on November 22, 2021. Retrieved June 28, 2020.

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