Amery is a city in Polk County, Wisconsin, United States, along the Apple River. It is a part of Wisconsin's 7th congressional district. The popul…Amery is a city in Polk County, Wisconsin, United States, along the Apple River. It is a part of Wisconsin's 7th congressional district. The population was 2,902 at the 2010 census. The city was named in honor of William Amery, a carpenter who held several local offices in the 1870s.