The 1970 United States Senate election in North Dakota was held November 3, 1970. The incumbent, North Dakota Democratic NPL Party Senator Quentin Burdick, was re-elected to his third term, defeating Republican candidate Thomas S. Kleppe, who later became the United States Secretary of the Interior.
United States Senate election in North Dakota, 1970
U.S. Senate election results map.Blue
denotes counties won by Burdick.Red
denotes those won by Kleppe.
Only Burdick filed as a Dem-NPLer, and the endorsed Republican candidate was Thomas S. Kleppe, who was finishing his second and final term as a Representative for North Dakota's second congressional district. Burdick and Kleppe won the primary elections for their respective parties.
One independent candidate, Russell Kleppe, also filed before the deadline.