As of the census of 2000, there were 70,187 people, 25,079 households, and 17,078 families residing in the city. The population density was 1,256.3/km sq (3,253.8/mi sq). There were 27,211 housing units at an average density of 487.1/km sq (1,261.5/mi sq). The racial makeup of the city was 77.50% White, 6.53% Asian, 1.22% African American, 0.82% Native American, 0.25% Pacific Islander, 10.38% from Race (United States Census)other races, and 3.30% from two or more races. Hispanic or Latino of any race were 18.90% of the population. There were 25,079 households out of which 37.9% had children under the age of 18 living with them, 54.7% were Marriagemarried couples living together, 9.0% had a female householder with no husband present, and 31.9% were non-families. 23.4% of all households were made up of individuals and 5.3% had someone living alone who was 65 years of age or older. The average household size was 2.76 and the average family size was 3.28. In the city the population was spread out with 28.3% under the age of 18, 11.4% from 18 to 24, 37.0% from 25 to 44, 17.0% from 45 to 64, and 6.3% who were 65 years of age or older. The median age was 30 years. For every 100 females there were 105.6 males. For every 100 females age 18 and over, there were 105.8 males. The median income for a household in the city was $51,737, and the median income for a family was $57,379. Males had a median income of $41,046 versus $30,172 for females. The per capita income for the city was $21,680. About 6.0% of families and 9.2% of the population were below the poverty line, including 10.9% of those under age 18 and 7.2% of those age 65 or over. Source: http://en.wikipedia.org/wiki/Hillsboro%2C_Oregon