Naples, UT has a population of 2,420 and is the 10,016th largest city in the United States. The population density is 367 per sq mi which is 991% higher than the Utah average and 305% higher than the national average. The median age in Naples is 31 which is approximately 2% higher than the Utah average of 30. In Naples, 64% of the population over 15 years of age are married, 94% speak English and 5% speak Spanish. 72% of Naples residents were born in Utah, 27% were born out of state, 0% were born outside of the United States and 1% were foreign born.