Spring Lake, UT has a population of 381 and is the 21,146th largest city in the United States. The population density is 341 per sq mi which is 913% higher than the Utah average and 276% higher than the national average. The median age in Spring Lake is 27 which is approximately 12% lower than the Utah average of 30. In Spring Lake, 75% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 88% of Spring Lake residents were born in Utah, 12% were born out of state, 0% were born outside of the United States and 0% were foreign born.