Santaquin (/ˈsæntəkwɪn/ SAN-tə-kwin) is a city in Utah and Juab counties in the U.S. state of Utah. It is part of the Provo–Orem metropolitan area. The population was 9,128 at the 2010 census and an estimated 12,274 in 2018.
Santaquin lies southeast of Utah Lake in southern Utah County, with a small portion extending south into Juab County. It is bordered to the northwest by Genola and to the north by unincorporated Spring Lake. Interstate 15 passes through the city, with access from Exits 242 and 244. I-15 leads north 21 miles (34 km) to Provo and south 19 miles (31 km) to Nephi. U.S. Route 6 passes through Santaquin as Main Street and leads west 24 miles (39 km) to Silver City. Utah State Route 198 leads north from I-15 5 miles (8 km) to Payson.
According to the United States Census Bureau, Santaquin has a total area of 10.4 square miles (26.9 km), of which 0.3 acres (1,204 m), or 0.01%, are water.
As of the census of 2000, there were 4,834 people, 1,304 households, and 1,155 families residing in the city. The population density was 1,848.8 people per square mile (715.1/km²). There were 1,364 housing units at an average density of 521.7 per square mile (201.8/km²). The racial makeup of the city was 91.54% White, 0.17% African American, 0.62% Native American, 0.17% Asian, 0.06% Pacific Islander, 6.08% from other races, and 1.37% from two or more races. Hispanic or Latino of any race were 8.56% of the population.
There were 1,304 households out of which 61.1% had children under the age of 18 living with them, 77.8% were married couples living together, 7.5% had a female householder with no husband present, and 11.4% were non-families. 9.3% of all households were made up of individuals and 4.0% had someone living alone who was 65 years of age or older. The average household size was 3.71 and the average family size was 3.97.
In the city, the population was spread out with 42.3% under the age of 18, 11.3% from 18 to 24, 29.1% from 25 to 44, 12.4% from 45 to 64, and 4.9% who were 65 years of age or older. The median age was 23 years. For every 100 females, there were 105.3 males. For every 100 females age 18 and over, there were 99.6 males.
The median income for a household in the city was $44,531, and the median income for a family was $45,323. Males had a median income of $35,076 versus $20,581 for females. The per capita income for the city was $13,725. About 1.9% of families and 2.2% of the population were below the poverty line, including 1.6% of those under age 18 and 6.1% of those age 65 or over.
Main Street has a few stores and restaurants but no big-box stores.
Santaquin Utah neighborhoods include: East Bench, Morley Meadows, Santaquin City, Summit Ridge