The highest recorded temperature was 115 °F (46 °C) on August 11, 1936, and the lowest recorded temperature was −18 °F (−28 °C) on February 13–14, 1905 and February 4, 1996. As of the census of 2010, there were 45,688 people, 17,941 households, and 7,920 families residing in the city. The population density was 1,547 people per square mile (541.6/km²). The racial makeup of the city was 79.50% White, 4.71% African American, 3.93% Native American, 5.56% Asian, 0.06% Pacific Islander, 1.19% from other races, and 5.05% from two or more races. Hispanic or Latino of any race were 4.26% of the population. As of the census of 2000, there were 15,604 households out of which 20.8% had children under the age of 18 living with them, 36.1% were married couples living together, 7.7% had a female householder with no husband present, and 53.1% were non-families. 34.6% of all households were made up of individuals and 6.9% had someone living alone who was 65 years of age or older. The average household size was 2.13 and the average family size was 2.81. In the city, the population was spread out with 15.2% under the age of 18, 38.2% from 18 to 24, 24.4% from 25 to 44, 13.6% from 45 to 64, and 8.7% who were 65 years of age or older. The median age was 24 years. For every 100 females, there were 102.7 males. For every 100 females age 18 and over, there were 102.4 males. The median income for a household in the city was $25,432, and the median income for a family was $41,938. Males had a median income of $31,623 versus $22,312 for females. The per capita income for the city was $15,789. About 12.6% of families and 27.3% of the population were below the poverty line, including 18.2% of those under age 18 and 8.9% of those age 65 or over. Stillwater is home to a diverse mix of business and industry, from manufacturing to advanced technology. Among its export industries are printing and publishing, floor covering, wire products, software, food and kindred products, and research.