Stockton, UT has a population of 725 and is the 17,250th largest city in the United States. The population density is 431 per sq mi which is 1181% higher than the Utah average and 375% higher than the national average. The median age in Stockton is 41 which is approximately 35% higher than the Utah average of 30. In Stockton, 64% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 78% of Stockton residents were born in Utah, 21% were born out of state, 0% were born outside of the United States and 1% were foreign born.