Laramie has a semi-arid climate (Köppen climate classification "BSk") with long, cold, dry winters and short, warm, somewhat wetter summers. As of the census of 2010, there were 30,816 people, 13,394 households, and 5,843 families residing in the city. The population density was . There were 14,307 housing units at an average density of . The racial makeup of the city was 89.5% White, 3.2% Asian, 2.8% from two or more races, 2.5% from other races, 1.3% African American, 0.7% Native American, and 0.1% Pacific Islander. 9.2% of residents were Hispanic or Latino of any race. There were 13,394 households of which 20.4% had children under the age of 18 living with them, 33.0% were married couples living together, 6.9% had a female householder with no husband present, 3.7% had a male householder with no wife present, and 56.4% were non-families. 36.9% of all households were made up of individuals and 6.2% had someone living alone who was 65 years of age or older. The average household size was 2.14 and the average family size was 2.85. The median age in the city was 25.4 years. 15.9% of residents were under the age of 18; 32.7% were between the ages of 18 and 24; 26.5% were from 25 to 44; 17.4% were from 45 to 64; and 7.5% were 65 years of age or older. The gender makeup of the city was 52.0% male and 48.0% female. As of the census of 2000, there were 27,204 people, 11,336 households, and 5,611 families residing in the city. The population density was 2,442.5 people per square mile (942.9/km²). There were 11,994 housing units at an average density of 1,076.9 per square mile (415.7/km²). The racial makeup of the city was 90.81% White, 1.24% African American, 0.89% Native American, 1.92% Asian, 0.06% Pacific Islander, 2.89% from other races, and 2.19% from two or more races.