At the 2000 census there were 39,636 people in 15,794 households, including 9,207 families, in the city. The population density was 1,454.4 people per square mile (561.6/km). There were 16,987 housing units at an average density of 623.3 per square mile (240.7/km). The racial makeup of the city was 81.5% White, 14.7% Black or African American, 0.4% Native American, 1.2% Asian, 0.1% Pacific Islander, 0.6% from other races, and 1.5% from two or more races. 1.6% of the population were Hispanic or Latino of any race.