Vineyard is a city in Utah County, Utah, United States. It is part of the Provo–Orem Metropolitan Statistical Area. The population grew from 139 at the 2010 census to 12,543 at the 2020 census making it the fastest growing city in Utah and one of the fastest-growing cities in the nation during that timeframe. Population has grown dramatically since about 2012 due to redevelopment of the former Geneva Steel site which sits in Vineyard.