| 94th Legislature (2025 - ) | Patrick D. Murphy |
| 93rd Legislature (2023 - 2024) | Patrick D. Murphy |
| 92nd Legislature (2021 - 2022) | Patrick D. Murphy |
| 91st Legislature (2019 - 2020) | Patrick D. Murphy |
| 90th Legislature (2017 - 2018) | Patrick D. Murphy |
| 89th Legislature (2015 - 2016) | Patrick D. Murphy |
| 88th Legislature (2013 - 2014) | Albin A. Mathiowetz |
| 87th Legislature (2011 - 2012) | Albin A. Mathiowetz |
| 86th Legislature (2009 - 2010) | Albin A. Mathiowetz |
| 85th Legislature (2007 - 2008) | Albin A. Mathiowetz |
| 84th Legislature (2005 - 2006) | Albin A. Mathiowetz |
| 83rd Legislature (2003 - 2004) | Edward A. Burdick |
| 82nd Legislature (2001 - 2002) | Edward A. Burdick |
| 81st Legislature (1999 - 2000) | Edward A. Burdick |
| 80th Legislature (1997 - 1998) | Edward A. Burdick |
| 79th Legislature (1995 - 1996) | Edward A. Burdick |
| 78th Legislature (1993 - 1994) | Edward A. Burdick |
| 77th Legislature (1991 - 1992) | Edward A. Burdick |
| 76th Legislature (1989 - 1990) | Edward A. Burdick |
| 75th Legislature (1987 - 1988) | Edward A. Burdick |
| 74th Legislature (1985 - 1986) | Edward A. Burdick |
| 73rd Legislature (1983 - 1984) | Edward A. Burdick |
| 72nd Legislature (1981 - 1982) | Edward A. Burdick |
| 71st Legislature (1979 - 1980) | Edward A. Burdick |
| 70th Legislature (1977 - 1978) | Edward A. Burdick |
| 69th Legislature (1975 - 1976) | Edward A. Burdick |
| 68th Legislature (1973 - 1974) | Edward A. Burdick |
| 67th Legislature (1971 - 1972) | Edward A. Burdick |
| 66th Legislature (1969 - 1970) | Edward A. Burdick |
| 65th Legislature (1967 - 1968) | Edward A. Burdick |
| 64th Legislature (1965 - 1966) | George H. Leahy |
| 63rd Legislature (1963 - 1964) | George H. Leahy |
| 62nd Legislature (1961 - 1962) | George H. Leahy |
| 61st Legislature (1959 - 1960) | George H. Leahy |
| 60th Legislature (1957 - 1958) | George H. Leahy |
| 59th Legislature (1955 - 1956) | George H. Leahy |
| 58th Legislature (1953 - 1954) | George H. Leahy |
| 57th Legislature (1951 - 1952) | George H. Leahy |
| 56th Legislature (1949 - 1950) | George H. Leahy |
| 55th Legislature (1947 - 1948) | George H. Leahy |
| 54th Legislature (1945 - 1946) | George H. Leahy |
| 53rd Legislature (1943 - 1944) | Harry L. Allen |
| 52nd Legislature (1941 - 1942) | Harry L. Allen |
| 51st Legislature (1939 - 1940) | William I. Nolan |
| 50th Legislature (1937 - 1938) | John J. McDonough |
| 49th Legislature (1935 - 1936) | John I. Levin |
| 48th Legislature, 1934 Extra Session (1933) | Harry L. Allen |
| 48th Legislature (1933 - 1934) | Frank T. Starkey |
| 47th Legislature (1931 - 1932) | John I. Levin |
| 46th Legislature (1929 - 1930) | John I. Levin |
| 45th Legislature (1927 - 1928) | John I. Levin |
| 44th Legislature (1925 - 1926) | Oscar Arneson |
| 43rd Legislature (1923 - 1924) | Oscar Arneson |
| 42nd Legislature (1921 - 1922) | Oscar Arneson |
| 41st Legislature (1919 - 1920) | Oscar Arneson |
| 40th Legislature (1917 - 1918) | Oscar Arneson |
| 39th Legislature (1915 - 1916) | Oscar Arneson |
| 38th Legislature (1913 - 1914) | Oscar Arneson |
| 37th Legislature (1911 - 1912) | Oscar Arneson |
| 36th Legislature (1909 - 1910) | Archibald H. Vernon |
| 35th Legislature (1907 - 1908) | Adolph E. L. Johnson |
| 34th Legislature (1905 - 1906) | Julius A. Schmahl |
| 33rd Legislature (1903 - 1904) | Julius A. Schmahl |
| 32nd Legislature (1901 - 1902) | Julius A. Schmahl |
| 31st Legislature (1899 - 1900) | Israel Bergstrom |
| 30th Legislature (1897 - 1898) | Michael John Dowling |
| 29th Legislature (1895 - 1896) | Michael John Dowling |
| 28th Legislature (1893 - 1894) | F. A. Johnson |
| 27th Legislature (1891 - 1892) | P. J. Smalley |
| 26th Legislature (1889 - 1890) | C. P. Carpenter |
| 25th Legislature (1887 - 1888) | John R. Howard |
| 24th Legislature (1885 - 1886) | John R. Howard |
| 23rd Legislature (1883 - 1884) | John R. Howard |
| 22nd Legislature (1881 - 1882) | John R. Howard |
| 21st Legislature (1879 - 1880) | Mark D. Flower |
| 20th Legislature (1878) | Mark D. Flower |
| 19th Legislature (1877) | G. W. Buswell |
| 18th Legislature (1876) | G. W. Buswell |
| 17th Legislature (1875) | S. H. Nichols |
| 16th Legislature (1874) | S. H. Nichols |
| 15th Legislature (1873) | S. H. Nichols |
| 14th Legislature (1872) | John C. Hamilton |
| 13th Legislature (1871) | S. P. Jennison |
| 12th Legislature (1870) | William R. Kinyon |
| 11th Legislature (1869) | William R. Kinyon |
| 10th Legislature (1868) | S. P. Jennison |
| 9th Legislature (1867) | S. P. Jennison |
| 8th Legislature (1866) | Andrew C. Dunn |
| 7th Legislature (1865) | Andrew C. Dunn |
| 6th Legislature (1864) | Andrew C. Dunn |
| 5th Legislature (1863) | Alfred B. Webber |
| 4th Legislature (1862) | David Blakely |
| 3rd Legislature (1861) | David Blakely |
| 2nd Legislature (1859 - 1860) | Jared Benson |
| 1st Legislature (1857 - 1858) | Allen T. Chamblin |
| 8th Territorial Legislature (1857) | H. L. Edwards |
| 7th Territorial Legislature (1856) | H. L. Edwards |
| 6th Territorial Legislature (1855) | James C. Shepley |
| 5th Territorial Legislature (1854) | Andrew J. Morgan |
| 4th Territorial Legislature (1853) | Joseph R. Brown |
| 3rd Territorial Legislature (1852) | Allen Pierse |
| 2nd Territorial Legislature (1851) | Bushrod W. Lott |
| 1st Territorial Legislature (1849) | William D. Phillips |