 The population density was 1,611.6 people per square mile (623.3/km²).There were 1,889 housing units at an average density of 641.4 per square mile (248.1/km²).The racial makeup of the city was 92.01% White, 0.70% African American, 1.03% Native American, 2.23% Asian, 0.17% Pacific Islander, 1.45% from other races, and 2.40% from two or more races.