As of the census of 2000, there were 76,930 people, 27,647 households, and 17,694 families residing in the city. The population density was 2,572.5 people per square mile (993.4/km²). There were 28,972 housing units at an average density of 968.8/sq mi (374.1/km²). The racial makeup of the city was 55.4% White, 1.87% African American, 0.83% Native American, 1.15% Asian, 0.14% Pacific Islander, 13.77% from other races, and 2.84% from two or more races. Hispanic or Latino of any race were 34.49% of the population.
There were 27,647 households out of which 33.1% had children under the age of 18 living with them, 48.7% were married couples living together, 10.8% had a female householder with no husband present, and 36.0% were non-families. 25.6% of all households were made up of individuals and 8.3% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 3.19.
In the city the population was spread out with 25.6% under the age of 18, 19.0% from 18 to 24, 27.3% from 25 to 44, 18.0% from 45 to 64, and 10.2% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 96.1 males. For every 100 females age 18 and over, there were 92.8 males.
The median income for a household in the city was $36,414, and the median income for a family was $45,904. Males had a median income of $32,800 versus $24,691 for females. The per capita income for the city was $17,775. About 10.1% of families and 16.9% of the population were below the poverty line, including 18.4% of those under age 18 and 9.5% of those age 65 or over.