Soudnictví je v čele Nejvyššího soudu devět spravedlností volených lidmi. Jiné soudy zahrnují kancléřství soudy, obvodní soudy, krajské soudy, a městské soudy.
Mississippi má 82 krajů. Stát je reprezentován v Kongresu dva senátory a čtyř zástupců.
Guvernérů MississippiNamePartyTermDavid Holmes Demokratická-Republican1817-1820George Poindexter demokratická-Republican1820-1822Walter Leake demokratická-Republican1822-1825Gerard C. Brandon demokratické-Republican1825-1826David Holmes Demokratická-Republican1826Gerard C . Brandon Demokratická-Republican1826-1832Abram M. Scott Lynch Democratic1832-1833Charles Democratic1833Hiram G. Runnels Democratic1833-1835John A. Quitman Whig1835-1836Charles Lynch Democratic1836-1838Alexander G. McNutt Democratic1838-1842Tilghman M. Tucker Democratic1842-1844Albert G. Brown Democratic1844-1848Joseph W . Matthews Democratic1848-1850John A. Quitman Democratic1850-1851John I. Guion Democratic1851James Whitfield Democratic1851-1852Henry S. Foote unie Democratic1852-1854John J. Pettus Democratic1854John J. McRae Democratic1854-1857William McWillie Democratic1857-1859John J. Pettus Democratic1859-1863Charles Clark Democratic1863-1865William L. Sharkey Whig-Democratic1865Benjamin G. Humphreys Whig1865-1868Adelbert Ames US Military Governor1868-1870James L. Alcorn Republican1870-1871Ridgley C. Powers Republican1871-1874Adelbert Ames Republican1874-1876John M. Stone Democratic1876-1882Robert Lowry Democratic1882-1890John M. Stone Democratic1890-1896Anselm J. McLaurin Democratic1896-1900Andrew H. Longino Democratic1900-1904James Kimble Vardaman Democratic1904-1908Edmond F. Noel Democratic1908-1912Earl L. Brewer Democratic1912-1916Theodore G. Bilbo Democratic1916-1920Lee M. Russell Democratic1920-1924Henry L. Whitfield Democratic1924-1927Dennis Murphree Democratic1927- 1928Theodore G. Bilbo Democratic1928-1932Martin Sennett Conner Democratic1932-1936Hugh L. Bílá Democratic1936-1940Paul B. Johnson Democratic1940-1943Dennis Murphree Democratic1943-1944Thomas L. Bailey Democratic1944-1946Fielding L. Wright Democratic1946-1952Hugh L. Bílá Democratic1952-1956James P. Coleman Democratic1956 -1960Ross R. Barnett Democratic1960-1964Paul B. Johnson Democratic1964-1968John Bell Williams Democratic1968-1972William Waller Democratic1972-1976Cliff Finch Democratic1976-1980William F. Wi