As of the census of 2000, there were 10,825 people, 3,689 households, and 3,161 families residing in the town. The population density was 670.9/km sq (1,738.7/mi sq). There were 3,804 housing units at an average density of 235.8/km sq (611.0/mi sq). The racial makeup of the town was 71.80% White, 24.04% Asian, 2.67% from two or more races, 0.70% from Race (United States Census)other races, 0.50% African American, 0.23% Pacific Islander, and 0.06% Native American. Hispanic or Latino of any race were 2.81% of the population. There were 3,689 households out of which 36.3% had children under the age of 18 living with them, 78.6% were Marriagemarried couples living together, 4.9% had a female householder with no husband present, and 14.3% were non-families. 11.1% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.93 and the average family size was 3.14. In the town the population was spread out with 25.1% under the age of 18, 4.4% from 18 to 24, 19.7% from 25 to 44, 32.2% from 45 to 64, and 18.6% who were 65 years of age or older. The median age was 46 years. For every 100 females there were 94.6 males. For every 100 females age 18 and over, there were 91.6 males. The median income for a household in the town was $193,157, and the median income for a family was $200,000+. Fulltime male workers have a median income of $100,000+ versus $55,882 for fulltime female workers. The per capita income for the town was $98,643. About 1.8% of families and 2.8% of the population were below the poverty line, including 2.7% of those under age 18 and 0.8% of those age 65 or over. *As of the year 2000, Hillsborough was the Highest income places in the United Stateshighest income place in the United States for cities of a population of 10,000 or more. *As of the May 1998 issue, Hillsborough ranked #6 in Worth Magazine's "250 Richest Towns In America". Source: http://en.wikipedia.org/wiki/Hillsborough%2C_California