Midvale, UT has a population of 31,659 and is the 1,347th largest city in the United States. The population density is 5,355 per sq mi which is 15819% higher than the Utah average and 5811% higher than the national average. The median age in Midvale is 31 which is approximately 1% higher than the Utah average of 30. In Midvale, 51% of the population over 15 years of age are married, 76% speak English and 16% speak Spanish. 57% of Midvale residents were born in Utah, 26% were born out of state, 1% were born outside of the United States and 15% were foreign born.