Vineyard is a city in Utah County, Utah, United States. It is part of the Provo–Orem Metropolitan Statistical Area. The population was 139 at the 2010 census. Population has grown dramatically since about 2012 due to redevelopment of the former Geneva Steel site which sits partly in Vineyard. The population estimate was 3,953 as of 2016, 8,000 as of May 2017, 10,250 as of September 2017, and over 14,000 as of August 2018.
The community was named for grape vineyards near the original town site. According to some town residents, Vineyard first became a distinct place in 1899. The town incorporated in 1989. Vineyard was certified as a city of the 5th class (1,000 - 10,000 residents) during the summer of 2016. Prior to 2016, Vineyard was classified as a town.
According to the United States Census Bureau, the town has a total area of 6.4 square miles (16.5 km2), of which 4.4 square miles (11.3 km2) is land and 2.0 square miles (5.2 km2), or 31.53%, is water.
As of the census of 2000, there were 150 people, 43 households, and 38 families residing in the town.