Perley is a city in Norman County, Minnesota, United States. Its population was 113 at the 2020 census. A post office called Perley has been in …Perley is a city in Norman County, Minnesota, United States. Its population was 113 at the 2020 census. A post office called Perley has been in operation since 1885. The city was named for George Edmund Perley, a local attorney.