Vernal, UT has a population of 10,588 and is the 3,777th largest city in the United States. The population density is 2,291 per sq mi which is 6710% higher than the Utah average and 2428% higher than the national average. The median age in Vernal is 31 which is approximately 1% higher than the Utah average of 30. In Vernal, 53% of the population over 15 years of age are married, 90% speak English and 7% speak Spanish. 62% of Vernal residents were born in Utah, 31% were born out of state, 2% were born outside of the United States and 5% were foreign born.