Madison County, Arkansas

Madison County
County
Clockwise from top: A rural scene in Madison County near Forum, Madison County Courthouse in Huntsville, War Eagle Creek Bridge, Kings River Falls and swimming hole at the Kings River Falls Natural Area
Location within the U.S. state of Arkansas
Arkansas's location within the U.S.
Coordinates: 36°01′38″N 93°41′45″W / 36.027222222222°N 93.695833333333°W / 36.027222222222; -93.695833333333
Country	United States
State	Arkansas
Founded	September 30, 1836
Named for	Madison County, Alabama
Seat	Huntsville
Largest city	Huntsville
Area
• Total	837 sq mi (2,170 km2)
• Land	834 sq mi (2,160 km2)
• Water	2.8 sq mi (7 km2)  0.3%
Population  (2020)
• Total	16,521
• Density	20/sq mi (7.6/km2)
Time zone	UTC−6 (Central)
• Summer (DST)	UTC−5 (CDT)
Congressional district	3rd
Website	madisoncogov.com

Madison County is a county located in the U.S. state of Arkansas. As of the 2020 census, the population was 16,521.^[1] The county seat is Huntsville.^[2] The county was formed on September 30, 1836, and named for Madison County, Alabama, the home of some early settlers. They also named the county seat after Madison County in Alabama's county seat, Huntsville.^[3]

Madison County is part of the Northwest Arkansas region.