As of 2005, there were 22,467 people and 8,194 households residing in the city. The population density

Population density

Population density is a measurement of population per unit area or unit volume. It is frequently applied to living organisms, and particularly to humans...

 was 1,640 people per square mile (633/km²). There were 6,235 housing units at an average density of 454.1 per square mile (175.3/km²). The racial makeup of the city was 93.71% White, 1.02% African American, 0.28% Native American, 1.67% Asian, 0.01% Pacific Islander, 2.18% from other races

Race (United States Census)

Race and ethnicity in the United States Census, as defined by the Federal Office of Management and Budget and the United States Census Bureau, are self-identification data items in which residents choose the race or races with which they most closely identify, and indicate whether or not they are...

, and 1.13% from two or more races.