Sandy, UT has a population of 93,141 and is the 345th largest city in the United States. The population density is 3,917 per sq mi which is 11544% higher than the Utah average and 4223% higher than the national average. The median age in Sandy is 35 which is approximately 17% higher than the Utah average of 30. In Sandy, 63% of the population over 15 years of age are married, 88% speak English and 6% speak Spanish. 61% of Sandy residents were born in Utah, 30% were born out of state, 1% were born outside of the United States and 7% were foreign born.