As of the census of 2000, there were 69,291 people, 26,468 households, and 10,454 families residing in the city. The population density was 3,511.1 people per square mile (1,356.0/km2). There were 28,400 housing units at an average density of 1,439.1 per square mile (555.8/km2). The racial makeup of the city was 87.03% White, 4.24% African American, 0.29% Native American, 5.26% Asian, 0.07% Pacific Islander, 1.10% from other races, and 2.01% from two or more races. Hispanic or Latino of any race were 2.49% of the population. 22.9% were of German, 10.2% Irish, 9.1% English and 8.4% American ancestry according to Census 2000. 89.3% spoke English, 2.9% Spanish, 1.3% Korean, 1.1% German and 1.0% Chinese or Mandarin as their first language.