yargı halk tarafından seçilen dokuz yargıç devlet Anayasa Mahkemesi tarafından yönetilmektedir. Diğer mahkemeler şans kortu, devre kortu, ilçe mahkemeleri ve belediye kortları vardır.
Mississippi 82 ilçe bulunmaktadır. Devlet iki senatör ve dört temsilcileri tarafından Kongre'de temsil edilmektedir. MississippiNamePartyTermDavid Holmes Demokrat-Republican1817-1820George Poindexter Demokratik-Republican1820-1822Walter Leake Demokratik-Republican1822-1825Gerard C. Brandon Demokrat-Republican1825-1826David Holmes Demokratik-Republican1826Gerard C
Valileri . Brandon Demokratik-Republican1826-1832Abram M. Scott Democratic1832-1833Charles Lynch 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 Birliği 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 ABD Askeri 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. Beyaz Democratic1936-1940Paul B. Johnson Democratic1940-1943Dennis Murphree Democratic1943-1944Thomas L. Bailey Democratic1944-1946Fielding L. Wright Democratic1946-1952Hugh L. Beyaz Democratic1952-1956James P. Coleman Democratic1956 -1960Ross R. Barnett Democratic1960-1964Paul B. Johnson Democratic1964-1968John Bell Williams Democratic1968-1972William Waller Democratic1972-1976Cliff Finch Democrat