Demographics 2010 census As of the census of 2010, there were 15,915 people, 6,396 households, and 3,837 families residing in the city. The population density was . There were 7,154 housing units at an average density of . The racial makeup of the city was 92.1% White, 1.7% African American, 0.4% Native American, 0.9% Asian, 3.3% from other races, and 1.6% from two or more races. Hispanic or Latino of any race were 8.2% of the population. There were 6,396 households, of which 30.3% had children under the age of 18 living with them, 40.8% were married couples living together, 13.6% had a female householder with no husband present, 5.6% had a male householder with no wife present, and 40.0% were non-families. 33.7% of all households were made up of individuals, and 14% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.91. The median age in the city was 36.6 years. 22.3% of residents were under the age of 18; 13.4% were between the ages of 18 and 24; 24% were from 25 to 44; 23.4% were from 45 to 64, and 16.9% were 65 years of age or older. The gender makeup of the city was 50.1% male and 49.9% female. 2000 census As of the 2000 census, there were 15,243 people, 6,117 households, and 3,664 families residing in the city. The population density was . There were 6,623 housing units at an average density of . The racial makeup of the city was 94.02% White, 1.61% African American, 0.31% Native American, 0.70% Asian, 0.07% Pacific Islander, 2.39% from other races, and 0.91% from two or more races. Hispanic or Latino of any race were 3.25% of the population. There were 6,117 households, out of which 29.2% had children under the age of 18 living with them, 45.0% were married couples living together, 11.2% had a female householder with no husband present, and 40.1% were non-families. 33.9% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 2.94. In the city, the population was spread out, with 23.3% under the age of 18, 13.4% from 18 to 24, 27.3% from 25 to 44, 19.6% from 45 to 64, and