According to the United States Census Bureau, the city has a total area of 21.2 square miles (54.9 km²), of which, 20.5 square miles (53.0 km²) of it is land and 0.7 square miles (1.9 km²) of it (3.45%) is water.
There are 5,707 households, of which 31.7% have children under the age of 18 living with them, 49.5% were married couples living together, 13.1% had a female householder with no husband present, and 32.4% are classified as non-families by the United States Census Bureau. Of 5,707 households, 373 are unmarried partner households: 348 heterosexual, 18 same-sex male, and 7 same-sex female households. 28.3% of all households were made up of individuals and 14.4% had someone living alone who was 65 years of age or older. The average household size was 2.56 and the average family size was 3.13.
In the city the population was spread out with 24.1% under the age of 18, 10.1% from 18 to 24, 32.0% from 25 to 44, 19.2% from 45 to 64, and 14.6% who were 65 years of age or older. The median age was 35 years. For every 100 females there were 120.2 males. For every 100 females age 18 and over, there were 123.3 males.
The median income for a household in the city was $27,233, and the median income for a family was $33,765. Males had a median income of $29,074 versus $18,633 for females. The per capita income for the city was $13,336. About 16.6% of families and 20.7% of the population were below the poverty line, including 28.2% of those under age 18 and 11.9% of those age 65 or over.