Hurley is a city in Turner County, South Dakota, United States. The population was 379 at the 2020 census. Hurley was platted in 1883. I…Hurley is a city in Turner County, South Dakota, United States. The population was 379 at the 2020 census. Hurley was platted in 1883. It was named for R. E. Hurley, a railroad engineer. A post office has been in operation in Hurley since 1883.