Spanish Fork is a city in Utah County, Utah, United States. It is part of the Provo–Orem Metropolitan Statistical Area. The population was 39,961 as of a 2019 estimate Spanish Fork, Utah is the 20th largest city in Utah based on official 2017 estimates from the US Census Bureau.
Spanish Fork was settled in 1851 by members of The Church of Jesus Christ of Latter-day Saints as part of the Mormon Pioneers' settlement of Utah Territory. Its name derives from a visit to the area by two Franciscan friars from Spain, Silvestre Vélez de Escalante and Francisco Atanasio Domínguez in 1776, who followed the stream down Spanish Fork canyon with the objective of opening a new trail from Santa Fe, New Mexico, to the Spanish missions in California.
As of the 2010 census, there were 34,691 people, 9,069 households, and 7,885 families residing in the city. The population density was 2,252.7 people per square mile (871.6/km²). There were 9,440 housing units, at an average density of 613.0 per square mile (237.2/km²). The racial makeup of the city was 90.9% White, 0.4% African American, 0.5% Native American, 0.6% Asian, 0.7% Pacific Islander, 4.4% some other race, and 2.5% from two or more races. Hispanic or Latino of any race were 10.6% of the population. As for ages, the population was quite young with 40.9% being under the age of 18, 53.6% aged 18–64 and 5.5% over the age of 65.