Stanley is an unincorporated community in Daviess County, Kentucky, United States. As of the 2020 census, Stanley had a population of 309. Its zip code was 42375, but its post office closed in 1997.
The climate in this area is characterized by hot, humid summers and generally mild to cool winters. According to the Köppen Climate Classification system, Stanley has a humid subtropical climate, abbreviated "Cfa" on climate maps.