Harrisville, UT has a population of 6,071 and is the 5,719th largest city in the United States. The population density is 2,032 per sq mi which is 5941% higher than the Utah average and 2143% higher than the national average. The median age in Harrisville is 31 which is approximately 3% higher than the Utah average of 30. In Harrisville, 66% of the population over 15 years of age are married, 91% speak English and 7% speak Spanish. 76% of Harrisville residents were born in Utah, 21% were born out of state, 1% were born outside of the United States and 2% were foreign born.