10.1% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.95. The median age in the city was 36 years. 23.9% of residents were under the age of 18; 10.2% were between the ages of 18 and 24; 26.7% were from 25 to 44; 26.4% were from 45 to 64; and 12.9% were 65 years of age or older. The gender makeup of the city was 49.7% male and 50.3% female. 2000 census As of the census of 2000, there were 49,644 people, 20,343 households, and 13,141 families residing in the city. The population density was 2,073.2 people per square mile (800.3/km2). There were 21,872 housing units at an average density of 913.4 per square mile (352.6/km2). The racial makeup of the city was 94.03% White, 0.86% Black, 1.00% Native American, 0.49% Asian, 0.02% Pacific Islander, 2.04% from other races, and 1.56% from two or more races. 5.35% of the population were Hispanic or Latino of any race. There were 20,343 households, out of which 31.8% had children under the age of 18 living with them, 49.6% were married couples living together, 11.1% had a female householder with no husband present, and 35.4% were non-families. Of all households 29.1% were made up of individuals, and 10.2% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.94. In the city, the population was spread out, with 25.9% under the age of 18, 10.5% from 18 to 24, 27.7% from 25 to 44, 22.3% from 45 to 64, and 13.6% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 95.0 males. For every 100 females age 18 and over, there were 91.6 males. The median income for a household in the city was $36,567, and the median income for a family was $46,267. Males had a median income of $34,905 versus $21,810 for females. The per capita income for the city was $19,409. About 8.5% of families and 11.4% of the population were below the poverty line, including 15.4% of those under age 18 and 7.3% of those age 65 or over. Economy Casper is a regional center of banking and commerce. After the discovery of crude oil in the region