 This creates a population density of 1498.1 people per square kilometer, or 3860.5 people per square mile.Clearfield City has an average elevation of 4,327 feet (1,320 m) above sea level.The lowest point within the boundaries of the city is 4,314 feet (1,315 m) at the intersection of 1000 West and Antelope Drive on the city's western edge and the highest is 4,711 feet (1,436 m) at a point that is within the city's northeast corner, but physically located on Hill Air Force Base property along Constitution Way in their housing area.