  madison county is a county located in the u.s. state of mississippi. as of the 2010 census, the population was 95,203. the county seat is canton. the county is named for u.s. president james madison. madison county is part of the jackson, ms metropolitan statistical area. ==geography== according to the u.s. census bureau, the county has a total area of , of which  is land and  (3.7%) is water. the southestern border of the county is defined by the old course of the pearl river before it was dammed to create the  ross barnett reservoir. the boundaries of the county are set in mississippi code section 19-1-89 as: madison county is bounded by beginning at a point on big black river, where the same crosses the center line in township twelve, range three, east; thence east to the old choctaw boundary line; thence north on said boundary line to the center line of township twelve, range five, east; thence through the center of said township twelve, range five, east, to the range line between townships five and six, east; thence south on said range line to pearl river; thence down said river, with its meanderings, to the line between townships six and seven, north; thence west on said township line to the basis meridian of the choctaw survey; thence north on said meridian line to the line between townships seven and eight, north; thence west on said township line to the line between ranges two and three, west; thence north on said range line to big black river; thence up said rive
Jackson_metropolitan_area Madison_County,_Mississippi Mississippi_counties Populated_places_established_in_1828