As of the census of 2000, there were 11,561 people, 4,123 households, and 3,133 families residing in the city. The population density was 1,150.1/km sq (2,978.6/mi sq). There were 4,268 housing units at an average density of 435.9/km sq (1,129.0/mi sq). The racial makeup of the city was 96.39% White, 0.44% African American, 0.09% Native American, 2.06% Asian, 0.25% from Race (United States Census)other races, and 0.78% from two or more races. Hispanic or Latino of any race were 1.43% of the population. There were 4,123 households out of which 25.0% had children under the age of 18 living with them, 67.0% were Marriagemarried couples living together, 6.6% had a female householder with no husband present, and 24.0% were non-families. 22.2% of all households were made up of individuals and 14.2% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.98. In the city the population was spread out with 20.2% under the age of 18, 8.2% from 18 to 24, 18.6% from 25 to 44, 27.5% from 45 to 64, and 25.5% who were 65 years of age or older. The median age was 47 years. For every 100 females there were 86.2 males. For every 100 females age 18 and over, there were 81.8 males. The median income for a household in the city was $69,907, and the median income for a family was $81,100. Males had a median income of $61,786 versus $37,188 for females. The per capita income for the city was $32,895. About 2.6% of families and 3.2% of the population were below the poverty line, including 4.0% of those under age 18 and 4.1% of those age 65 or over. Source: http://en.wikipedia.org/wiki/Palos_Heights%2C_Illinois