Smithfield is a city located in Cache County Utah. With a 2020 population of 12,581, it is the 55th largest city in Utah and the 2621st largest city in the United States . Smithfield is currently growing at a rate of 2.26% annually and its population has increased by 32.50% since the most recent census, which recorded a population of 9,495 in 2010. Smithfield reached it's highest population of in . Spanning over 5 miles, Smithfield has a population density of 2,416 people per square mile.
The average household income in Smithfield is $81,585 with a poverty rate of 8.03%. The median rental costs in recent years comes to $905 per month, and the median house value is $237,100. The median age in Smithfield is 26.9 years, 27.2 years for males, and 26.7 years for females.