As of the US census of 2000, there were 19,810 people, 6,525 households, and 5,526 families residing in the area. The population density was 2,144.4 people per square mile (827.8/km). There were 6,615 housing units at an average density of 716.1 per square mile (276.4/km). The racial makeup of the area was 55.33% White, 22.25% African American, 0.23% Native American, 17.93% Asian, 0.02% Pacific Islander, 1.52% from other races, and 2.72% from two or more races. Hispanic or Latino of any race were 4.79% of the population. 9% of Colesville's residents were German, 9% Irish, 8% English, 5% Korean, 4% Indian, 4% Italian, 4% Chinese, 4% Polish, 3% Russian, 2% Subsaharan African, 2% West Indian and 2% Vietnamese. People of Greek, Filipino, Scottish, Scotch-Irish, Arab, Swedish, French, Central American, Nigerian, South American, Dutch, Jamaican, Salvadoran, Iranian, Pakistani, Norwegian and Cambodian descent each comprise 1% of the population.