sentences:  The population density was 915.6 people per square mile (353.5/km²).There were 17,144 housing units at an average density of 462.5 per square mile (178.6/km²).The racial makeup of the city was 92.93% White, 0.50% Black or African American, 1.27% Native American, 0.83% Asian, 0.06% Pacific Islander, 2.77% from other races, and 1.63% from two or more races.