Middleton is a city in Canyon County, Idaho, United States. The population amounted to 9,091 at the 2021 census estimate, up from 5,524 at the 2010 census and 2,978 in 2000. It is part of the Boise City–Nampa, Idaho Metropolitan Statistical Area.
Zip Codes in Middleton, ID that we also serve: 83644 83652