which 33.6% had children under the age of 18 living with them, 47.2% were married couples living together, 11.3% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 36.4% were non-families. 27.5% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.10. The median age in the city is 30.2 years. 25.8% of residents were under the age of 18; 14.5% were between the ages of 18 and 24; 27.4% were from 25 to 44; 21.8% were from 45 to 64; and 10.7% were 65 years of age or older. The gender makeup of the city was 49.9% male and 50.1% female. 2000 census As of the census of 2000, there were 51,466 people, 19,334 households, and 12,973 families living in the city. The population density was . There were 20,627 housing units at an average density of . The racial makeup of the city was 92.32% White, 0.72% African American, 1.35% Native American, 1.15% Asian, 0.20% Pacific Islander, 2.18% from other races, and 2.09% from two or more races. Hispanic or Latino of any race were 4.94% of the population. The top 5 ethnic groups in Pocatello are: English – 21%, German – 16%, Irish – 9%, Danish – 4% and Swedish – 4%. There were 19,334 households, out of which 34.5% had children under the age of 18 living with them, 52.6% were married couples living together, 10.5% had a female householder with no husband present, and 32.9% were non-families. 25.0% of all households were made up of individuals, and 7.8% had someone living alone who was 65 years of age or older. The average household size was 2.58 and the average family size was 3.10. In the city, the population was spread out, with 26.6% under the age of 18, 16.7% from 18 to 24, 27.4% from 25 to 44, 18.9% from 45 to 64, and 10.4% who were 65 years of age or older. The median age was 29 years. For every 100 females, there were 96.9 males. For every 100 females age 18 and over, there were 93.3 males. The median income for a household in the city was $34,326, and the median income for a family was $41,884. Males had