forests, in which pine is interspersed with various hardwoods. A number of small bayous, such as Bayou Rapides, Bayou Robert, and Hynson Bayou, meander throughout the city. In the immediate vicinity of the city, cotton, sugar, alfalfa, and garden vegetables are cultivated. The climate is humid subtropical with some continental influence in the winter. Summers are consistently hot and humid, whereas winters are mild, with occasional cold snaps. On average, the first freeze occurs in early to mid November and the last freeze occurs in early to mid March. The area receives plentiful rainfall year-round, with thunderstorms possible throughout the year. Some storms can be severe, especially during the spring months. According to 'Cities Ranked and Rated' (Bert Sperling and Peter Sander), Alexandria reports an average of 69 days per year with thunder reported, which is nearly double the national average. Snowfall is rare, with measurable snow having occurred 27 times since 1895. The heaviest snowfall event took place February 12–13, 1960, when 9.1" of snow fell. Tropical storms and hurricanes affect Alexandria from time to time, but rarely cause severe damage, unlike areas closer to the coast. In September 2005, Hurricane Rita moved inland and affected Alexandria and surrounding areas, causing widespread power outages and damaging the roofs of some structures. The most recent hurricane, Gustav in 2008, caused widespread flooding, knocked over trees and power lines leading to power outages, and damaged structures. Some low-lying Alexandria neighborhoods had substantial flooding from Gustav, leaving several feet of water in houses. Demographics 2020 census As of the 2020 United States census, there were 45,275 people, 17,920 households, and 10,933 families residing in the city. 2010 census As of the census of 2010, there were 47,723 people, 17,816 households, and 11,722 families residing in the city. The population density was 1,754.6/sq mi (677.5/km2). There were 19,806 housing units at an average density of . The racial makeup of the city was 38.32% White, 57.25% Black, 1.25% Native American, 1.85% Asian, 0.14% Pacific Islander, 1.03% from other races, and 1.09% from two or more races. 6.98% of the population were Hispanic or Latino of any race. There were 17,816 households, out of which 31.9% had children under the age of 18 living with them, 38.5% were married couples living together, 23.2% had a female householder with no husband present, and 34.2% were non-families. 30.4% of all households were made up of individuals,