Madison -- U.S. County in Arkansas Population (2000): 14243 Housing Units (2000): 6537 Land area (2000): 836.813464 sq. miles (2167.336831 sq. km) Water area (2000): 0.250287 sq. miles (0.648241 sq. km) Total area (2000): 837.063751 sq. miles (2167.985072 sq. km) Located within: Arkansas (AR), FIPS 05 Location: 36.031137 N, 93.730452 W Headwords: Madison Madison, AR Madison County Madison County, AR