Stansbury Park, UT has a population of 8,948 and is the 4,285th largest city in the United States. The population density is 3,849 per sq mi which is 11340% higher than the Utah average and 4148% higher than the national average. The median age in Stansbury Park is 29 which is approximately 4% lower than the Utah average of 30. In Stansbury Park, 68% of the population over 15 years of age are married, 94% speak English and 4% speak Spanish. 61% of Stansbury Park residents were born in Utah, 35% were born out of state, 0% were born outside of the United States and 4% were foreign born.