1970 United States Senate election in Indiana

1970 United States Senate election in Indiana

← 1964 November 3, 1970 1976 →
 
Nominee Vance Hartke Richard Roudebush
Party Democratic Republican
Popular vote 870,990 866,707
Percentage 50.12% 49.88%

County results
Hartke:      50–60%      60–70%
Roudebush:      50–60%      60–70%      70–80%

U.S. senator before election

Vance Hartke
Democratic

Elected U.S. Senator

Vance Hartke
Democratic

The 1970 United States Senate election in Indiana took place on November 3, 1970. Incumbent Democratic U.S. Senator Vance Hartke was narrowly re-elected to a third term in office over Republican U.S. Representative Richard Roudebush. This election was the only time since 1893 that an incumbent Democratic Senator from Indiana was re-elected or won re-election for this seat. As of 2024, this is the last time that an incumbent Democratic Senator from Indiana was re-elected or won re-election for this seat.