Midvale is a city in Salt Lake County, Utah, United States. It is part of the Salt Lake City, Utah Metropolitan Statistical Area. The population was 27,029 at the 2000 census. Midvale is located at 40°36′50″N 111°53′18″W / 40.61389°N 111.88833°W / 40.61389; -111.88833 (40.613990, -111.888214). According to the United States Census Bureau, the city has a total area of 5.8 square miles (15.1 km²), all of it land.