As of the censusGR2 of 2000, there were 12,451 people, 4,898 households, and 3,649 families residing in the city. The population density was 589.9/km² (1,527.7/mi²). There were 5,243 housing units at an average density of 248.4/km² (643.3/mi²).
There were 4,898 households out of which 35.9% had children under the age of 18 living with them, 58.8% were married couples living together, 12.5% had a female householder with no husband present, and 25.5% were non-families. 21.8% of all households were made up of individuals and 7.6% had someone living alone who was 65 years of age or older. The average household size was 2.54 and the average family size was 2.95.
In the city the population was spread out with 26.1% under the age of 18, 7.2% from 18 to 24, 30.4% from 25 to 44, 24.3% from 45 to 64, and 12.0% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 93.2 males. For every 100 females age 18 and over, there were 90.1 males.
The median income for a household in the city was $42,105, and the median income for a family was $48,904. Males had a median income of $33,698 versus $24,707 for females. The per capita income for the city was $20,330. About 6.2% of families and 7.2% of the population were below the poverty line, including 8.1% of those under age 18 and 12.9% of those age 65 or over.