as of the census of 2010, there were 18,291 people, 6,226 households, and 4,869 families living in the city. the population density was . there were 6,680 housing units at an average density of . the racial makeup of the city was 80.1% white, 13.0% african american, 0.2% native american, 2.9% asian, 0.7% from other races, and 3.1% from two or more races. hispanic or latino of any race were 2.5% of the population.