Gentry -- U.S. County in Missouri Population (2000): 6861 Housing Units (2000): 3214 Land area (2000): 491.521513 sq. miles (1273.034821 sq. km) Water area (2000): 0.286027 sq. miles (0.740807 sq. km) Total area (2000): 491.807540 sq. miles (1273.775628 sq. km) Located within: Missouri (MO), FIPS 29 Location: 40.203034 N, 94.421535 W Headwords: Gentry Gentry, MO Gentry County Gentry County, MO