| # | Name | Party | Term |
| 1 | Jonathan Hunt | — | 1794–1796 |
| 2 | Brigham, PaulPaul Brigham | Democratic-Republican | 1796–1813 |
| 3 | Chamberlain, WilliamWilliam Chamberlain | Federalist | 1813–1815 |
| 4 | Brigham, PaulPaul Brigham | Democratic-Republican | 1815–1820 |
| 5 | Cahoon, WilliamWilliam Cahoon | Democratic-Republican | 1820–1822 |
| 6 | Leland, AaronAaron Leland | Democratic-Republican | 1822–1827 |
| 7 | Olin, HenryHenry Olin | Democratic-Republican | 1827–1830 |
| 8 | Richards, MarkMark Richards | National Republican | 1830–1831 |
| 9 | Egerton, LebbeusLebbeus Egerton | Anti-Masonic | 1831–1835 |
| 10 | Jennison, Silas H.Silas H. Jennison | Whig / Anti-Masonic | 1835–1836 |
| 11 | Camp, David M.David M. Camp | Whig | 1836–1841 |
| 12 | Ranney, Waitstill R.Waitstill R. Ranney | Whig | 1841–1843 |
| 13 | Eaton, HoraceHorace Eaton | Whig | 1843–1846 |
| 14 | Sargeant, LeonardLeonard Sargeant | Whig | 1846–1848 |
| 15 | Pierpoint, RobertRobert Pierpoint | Whig | 1848–1850 |
| 16 | Converse, JuliusJulius Converse | Whig | 1850–1852 |
| 17 | Kittredge, William C.William C. Kittredge | Whig | 1852–1853 |
| 18 | Kidder, Jefferson P.Jefferson P. Kidder | Democratic | 1853–1854 |
| 19 | Fletcher, RylandRyland Fletcher | Republican | 1854–1856 |
| 20 | Slade, James M.James M. Slade | Republican | 1856–1858 |
| 21 | Martin, BurnhamBurnham Martin | Republican | 1858–1860 |
| 22 | Underwood, LeviLevi Underwood | Republican | 1860–1862 |
| 23 | Dillingham, PaulPaul Dillingham | Republican / National Union | 1862–1865 |
| 24 | Gardner, Abraham B.Abraham B. Gardner | Republican | 1865–1867 |
| 25 | Thomas, StephenStephen Thomas | Republican | 1867–1869 |
| 26 | Hendee, George W.George W. Hendee | Republican | 1869–1870 |
| 27 | Dale, George N.George N. Dale | Republican | 1870–1872 |
| 28 | Taft, Russell S.Russell S. Taft | Republican | 1872–1874 |
| 29 | Hinckley, Lyman G.Lyman G. Hinckley | Republican | 1874–1876 |
| 30 | Proctor, RedfieldRedfield Proctor | Republican | 1876–1878 |
| 31 | Colton, Eben PomeroyEben Pomeroy Colton | Republican | 1878–1880 |
| 32 | Barstow, John L.John L. Barstow | Republican | 1880–1882 |
| 33 | Pingree, Samuel E.Samuel E. Pingree | Republican | 1882–1884 |
| 34 | Ormsbee, Ebenezer J.Ebenezer J. Ormsbee | Republican | 1884–1886 |
| 35 | Fuller, Levi K.Levi K. Fuller | Republican | 1886–1888 |
| 36 | Woodbury, Urban A.Urban A. Woodbury | Republican | 1888–1890 |
| 37 | Fletcher, Henry A.Henry A. Fletcher | Republican | 1890–1892 |
| 38 | Stranahan, F. StewartF. Stewart Stranahan | Republican | 1892–1894 |
| 39 | Mansur, Zophar M.Zophar M. Mansur | Republican | 1894–1896 |
| 40 | Fisk, Nelson W.Nelson W. Fisk | Republican | 1896–1898 |
| 41 | Bates, Henry C.Henry C. Bates | Republican | 1898–1900 |
| 42 | Allen, Martin F.Martin F. Allen | Republican | 1900–1902 |
| 43 | Stanton, Zed S.Zed S. Stanton | Republican | 1902–1904 |
| 44 | Stearns, Charles H.Charles H. Stearns | Republican | 1904–1906 |
| 45 | Prouty, George H.George H. Prouty | Republican | 1906–1908 |
| 46 | Mead, John A.John A. Mead | Republican | 1908–1910 |
| 47 | Slack, Leighton P.Leighton P. Slack | Republican | 1910–1912 |
| 48 | Howe, Frank E.Frank E. Howe | Republican | 1912–1915 |
| 49 | Darling, Hale K.Hale K. Darling | Republican | 1915–1917 |
| 50 | Hulburd, Roger W.Roger W. Hulburd | Republican | 1917–1919 |
| 51 | Stone, Mason S.Mason S. Stone | Republican | 1919–1921 |
| 52 | Foote, Abram W.Abram W. Foote | Republican | 1921–1923 |
| 53 | Billings, Franklin S.Franklin S. Billings | Republican | 1923–1925 |
| 54 | Farnsworth, Walter K.Walter K. Farnsworth | Republican | 1925–1927 |
| 55 | Jackson, HollisterHollister Jackson | Republican | 1927–1927 |
| 56 | Wilson, Stanley C.Stanley C. Wilson | Republican | 1929–1931 |
| 57 | Williams, BenjaminBenjamin Williams | Republican | 1931–1933 |
| 58 | Smith, Charles M.Charles M. Smith | Republican | 1933–1935 |
| 59 | Aiken, George D.George D. Aiken | Republican | 1935–1937 |
| 60 | Wills, William H.William H. Wills | Republican | 1937–1941 |
| 61 | Proctor, Mortimer R.Mortimer R. Proctor | Republican | 1941–1945 |
| 62 | Emerson, Lee E.Lee E. Emerson | Republican | 1945–1949 |
| 63 | Arthur, Harold J.Harold J. Arthur | Republican | 1949–1950 |
| 64 | Johnson, Joseph B.Joseph B. Johnson | Republican | 1951–1955 |
| 65 | Bailey, Consuelo N.Consuelo N. Bailey | Republican | 1955–1957 |
| 66 | Stafford, Robert T.Robert T. Stafford | Republican | 1957–1959 |
| 67 | Babcock, Robert S.Robert S. Babcock | Republican | 1959–1961 |
| 68 | Foote, Ralph A.Ralph A. Foote | Republican | 1961–1965 |
| 69 | Daley, John J.John J. Daley | Democratic | 1965–1969 |
| 70 | Hayes, Thomas L.Thomas L. Hayes | Republican | 1969–1971 |
| 71 | Burgess, John S.John S. Burgess | Republican | 1971–1975 |
| 72 | Burns, Brian D.Brian D. Burns | Democratic | 1975–1977 |
| 73 | Buckley, T. GarryT. Garry Buckley | Republican | 1977–1979 |
| 74 | Kunin, Madeleine M.Madeleine M. Kunin | Democratic | 1979–1983 |
| 75 | Smith, Peter P.Peter P. Smith | Republican | 1983–1987 |
| 76 | Dean, Howard B.Howard B. Dean | Democratic | 1987–1991 |
| 77 | Snelling, Barbara W.Barbara W. Snelling | Republican | 1993–1997 |
| 78 | Racine, Douglas A.Douglas A. Racine | Democratic | 1997–2003 |
| 79 | Dubie, Brian E.Brian E. Dubie | Republican | 2003–2011 |
| 80 | Phillip Scott | Republican |
2011–present |