As of the census of 2000, there were 27,902 people, 9,317 households, and 7,267 families residing in the city. The population density was 6,686.7 people per square mile (2,583.5/km²). There were 9,518 housing units at an average density of 2,281.0/sq mi (881.3/km²). The racial makeup of the city was 90.67% White, 0.26% African American, 0.17% Native American, 1.76% Asian, 0.02% Pacific Islander, 3.95% from other races, and 3.17% from two or more races. Hispanic or Latino of any race were 11.09% of the population, including 8.8% of Mexican descent.
The top five non-Hispanic ancentries reported in Burbank as of the 2000 census were Polish (30.3%), Irish (18.7%), German (16.1%), Italian (9.3%) and Arab (4.6%). Burbank's 8,427 Polish residents gave it a higher total in that regard than such much larger cities as Charlotte, North Carolina, Memphis, Tennessee and Washington, D.C.
There were 9,317 households out of which 34.4% had children under the age of 18 living with them, 60.8% were married couples living together, 12.1% had a female householder with no husband present, and 22.0% were non-families. 18.9% of all households were made up of individuals and 10.3% had someone living alone who was 65 years of age or older. The average household size was 2.98 and the average family size was 3.44.
In the city the population was spread out with 25.1% under the age of 18, 9.9% from 18 to 24, 28.0% from 25 to 44, 22.8% from 45 to 64, and 14.1% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 95.5 males. For every 100 females age 18 and over, there were 93.5 males.
The median income for a household in the city was $49,388, and the median income for a family was $56,279. Males had a median income of $38,994 versus $26,651 for females. The per capita income for the city was $18,923. About 4.5% of families and 5.1% of the population were below the poverty line, including 6.4% of those under age 18 and 3.9% of those age 65 or over.