Buffalo is an unincorporated community in southern LaRue County, Kentucky, United States. It lies along Kentucky Route 61 south of the city of Hodgenville, the county seat of LaRue County. Its elevation is 748 feet (228 m), and it is located at COORDS 37°30′43″N 85°41′55″W / 37.51194°N 85.69861°W / 37.51194; -85.69861 (337.5120048, -85.6985728). Although Buffalo is unincorporated, it has a post office, with the ZIP code of 42716.