Coffey -- U.S. County in Kansas Population (2000): 8865 Housing Units (2000): 3876 Land area (2000): 629.745948 sq. miles (1631.034448 sq. km) Water area (2000): 24.823847 sq. miles (64.293466 sq. km) Total area (2000): 654.569795 sq. miles (1695.327914 sq. km) Located within: Kansas (KS), FIPS 20 Location: 38.236272 N, 95.729157 W Headwords: Coffey Coffey, KS Coffey County Coffey County, KS