Millville is a city located in Cache County Utah. With a 2020 population of 2,274, it is the 113th largest city in Utah and the 7151st largest city in the United States . Millville is currently growing at a rate of 2.80% annually and its population has increased by 24.33% since the most recent census, which recorded a population of 1,829 in 2010. Millville reached it's highest population of in . Spanning over 3 miles, Millville has a population density of 906 people per square mile.
The average household income in Millville is $80,405 with a poverty rate of 5.01%. The median rental costs in recent years comes to $646 per month, and the median house value is $231,700. The median age in Millville is 27.9 years, 24.4 years for males, and 30.6 years for females.