Springdale, UT has a population of 420 and is the 20,608th largest city in the United States. The population density is 91 per sq mi which is 171% higher than the Utah average and equal to the national average. The median age in Springdale is 61 which is approximately 100% higher than the Utah average of 30. In Springdale, 63% of the population over 15 years of age are married, 91% speak English and 9% speak Spanish. 47% of Springdale residents were born in Utah, 42% were born out of state, 1% were born outside of the United States and 9% were foreign born.