Spring Lake is a census-designated place (CDP) in Utah County, Utah, United States. It is part of the Provo - Orem Metropolitan Statistical Area. The population was 458 at the 2010 census. It is an unincorporated part of Utah County, located just south of Payson and north of Santaquin.GeographyAccording to the United States Census Bureau, the CDP has a total area of 3.1sqkm, of which 3.1sqkm is land and 0.03sqkm, or 0.91%, is water.Spring Lake is at approximately above sea level. The small lake of the same name is only a few feet deep under normal conditions, but in the spring of 2006 the lake was drained in order to dredge it and make it deeper. It was then refilled in the fall of 2006 and now contains trout.DemographicsAs of the census of 2000, there were 469 people, 129 households, and 110 families residing in the CDP. The population density was 236.8 people per square mile (91.5/km²). There were 134 housing units at an average density of 67.7/sq mi (26.1/km²). The racial makeup of the CDP was 85.50% White, 0.21% Native American, 0.43% Asian, 0.21% Pacific Islander, 11.73% from other races, and 1.92% from two or more races. Hispanic or Latino of any race were 13.86% of the population.