If temperatures drop below freezing for a very short period of time, damage to tender plants is typically minimal. If the same temperature is reached but maintained for several hours, freeze damage to plants is more severe.
Salt Lake City makes up a very small portion of the Salt Lake Valley. With Salt Lake County covering 756 square miles, Salt Lake City covers only 90.5 square miles. Salt Lake City is the largest city in the state with a population of 181,743. Salt Lake County's population is 1.3 million, making it the most populous region in Utah. Overall, Utah is expected to continue to have the youngest population in the nation.
Salt Lake County fair grounds and equestrian park, 67-acre (27 ha) Oquirrh Lake and 27 other parks are located inside the city. As of the 2010 Census, its population was 50,418. The city was founded 18 miles (29 km) south of Salt Lake City along the banks of the Jordan River in 1859 by Mormon settlers.