As of the census of 2000, there were 6,757 people, 2,398 households, and 1,585 families residing in the city. The population density was 621.2/km² (1,609.8/mi²). There were 2,531 housing units at an average density of 232.7/km² (603.0/mi²). The racial makeup of the city was 75.49% White, 0.83% African American, 1.10% Native American, 1.76% Asian, 0.18% Pacific Islander, 17.66% from other races, and 2.99% from two or more races. Hispanic or Latino of any race were 25.26% of the population.
There were 2,398 households out of which 38.7% had children under the age of 18 living with them, 45.9% were married couples living together, 14.9% had a female householder with no husband present, and 33.9% were non-families. 25.6% of all households were made up of individuals and 8.7% had someone living alone who was 65 years of age or older. The average household size was 2.74 and the average family size was 3.30.
In the city the population was spread out with 30.0% under the age of 18, 12.4% from 18 to 24, 30.9% from 25 to 44, 15.3% from 45 to 64, and 11.3% who were 65 years of age or older. The median age was 30 years. For every 100 females there were 97.6 males. For every 100 females age 18 and over, there were 93.3 males.
The median income for a household in the city was $37,848, and the median income for a family was $42,083. Males had a median income of $35,247 versus $22,716 for females. The per capita income for the city was $17,167. About 11.7% of families and 14.9% of the population were below the poverty line, including 21.8% of those under age 18 and 16.8% of those age 65 or over.