1966 United States Senate election in Minnesota

← 1960 November 8, 1966 1972 →

Nominee Walter Mondale Robert Forsythe Party Democratic (DFL) Republican Popular vote 685,840 574,868 Percentage 53.94% 45.21%

County results Mondale:      40–50%      50–60%      60–70%      70–80% Forsythe:      40–50%      50–60%      60–70%

U.S. senator before election Walter Mondale Democratic (DFL) Elected U.S. Senator Walter Mondale Democratic (DFL)

Elections in Minnesota
General elections 2006 2008 2010 2012 2014 2016 2018 2020 2022
Federal elections Presidential elections 1860 1864 1868 1872 1876 1880 1884 1888 1892 1896 1900 1904 1908 1912 1916 1920 1924 1928 1932 1936 1940 1944 1948 1952 1956 1960 1964 1968 1972 1976 1980 1984 1988 1992 1996 2000 Dem 2004 Dem 2008 Dem Rep 2012 2016 Dem Rep 2020 Dem Rep 2024 Dem Rep LMN Senate elections Class 1 1858 1863 1869 1875 1881 1886 1892 1899 1901 (sp) 1905 1911 1916 1922 1928 1934 1940 1946 1952 1958 1964 1970 1976 1978 (sp) 1982 1988 1994 2000 2006 2012 2018 2024 Class 2 1858 1865 1871 (sp) 1871 1877 1881 (sp) 1883 1888 1895 1901 1907 1913 1918 1923 (sp) 1924 1930 1936 (sp) 1936 1942 (sp) 1942 1948 1954 1960 1966 1972 1978 1984 1990 1996 2002 2008 2014 2018 (sp) 2020 2026 House of Representatives 1849 (Terr) 1850 (Terr) 1852 (Terr) 1854 (Terr) 1856 (Terr) 1857 1859 1860 1862 1864 1866 1868 1870 1872 1874 1876 1878 1880 1882 1884 1886 1888 1890 1892 1894 1896 1898 1900 1902 1904 1906 1908 1910 1912 1914 1916 1918 1920 1922 1924 1926 1928 1929 5th sp 7th sp 1930 1932 1934 1936 1938 1940 1942 1944 1946 1948 1950 1952 1954 1956 1958 1960 1962 1964 1966 1968 1970 1972 1974 1976 1977 7th sp 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 5th 6th 2008 2010 2012 2014 2016 2018 2020 2022 1st sp 2024
State executive elections Gubernatorial elections 1857 1859 1861 1863 1865 1867 1869 1871 1873 1875 1877 1879 1881 1883 1886 1888 1890 1892 1894 1896 1898 1900 1902 1904 1906 1908 1910 1912 1914 1916 1918 1920 1922 1924 1926 1928 1930 1932 1934 1936 1938 1940 1942 1944 1946 1948 1950 1952 1954 1956 1958 1960 1962 1966 1970 1974 1978 1982 1986 1990 1994 1998 2002 2006 2010 2014 2018 2022 Lieutenant gubernatorial elections 1900 1902 1904 1906 1908 1910 1912 1914 1916 1918 1920 1922 1924 1926 1928 1930 1932 1934 1936 1938 1940 1942 1944 1946 1948 1950 1952 1954 1956 1958 1960 1962 1966 1970 Secretary of State elections 2010 2014 2018 2022 State Auditor elections 1934 2006 2010 2014 2018 2022 Attorney General elections 1994 1998 2002 2006 2010 2014 2018 2022
State legislative elections Senate elections 1890 1894 1898 1902 1906 1910 1976 1980 1982 1986 1990 1992 1996 2000 2002 2006 2010 2012 2016 2020 2022 House of Representatives elections 1910 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014 2016 2018 2020 2022 2024 Special elections Senate House of Representatives
Ballot questions 2012 Amendment 1 Amendment 2
Minneapolis General elections 2005 2009 2013 2017 2021 Mayoral elections 2005 2009 2013 2017 2021 City Council elections 2005 2009 2013 2017 2021 2023 City ballot questions Question 2 (2021)
Saint Paul Mayoral elections 2001 2005 2009 2013 2017 2021
Minnesota politics culture Elections in the United States
v t e

The 1966 United States Senate election in Minnesota took place on November 8, 1966. Incumbent Democratic U.S. Senator Walter Mondale, who had originally been appointed in 1964 to replace Hubert Humphrey after Humphrey was elected Vice President of the United States, defeated Republican challenger Robert A. Forsythe, to win a full term.

Democratic–Farmer–Labor primary

Candidates

Declared

• Ralph E. Franklin
• Walter Mondale, Incumbent U.S. Senator since 1964

Results

Republican primary

Candidates

Declared

• Robert A. Forsythe, businessman^[2]
• Henry A. Johnsen

Results

General election

Results