The population was 15,369 at the 2000 census. It is the county seat of Logan County.
As of the census of 2000, there were 15,369 people, 5,965 households, and 3,692 families residing in the town. The population density was 2,596.6 people per square mile (1,002.4/km²). There were 6,391 housing units at an average density of 1,079.8/sq mi (416.8/km²). The racial makeup of the city was 94.79% White, 2.82% African American, 0.16% Native American, 0.89% Asian, 0.03% Pacific Islander, 0.45% from other races, and 0.86% from two or more races. Hispanic or Latino of any race were 1.19% of the population.
There were 5,965 households out of which 28.4% had children under the age of 18 living with them, 46.7% were married couples living together, 11.6% had a female householder with no husband present, and 38.1% were non-families. 33.1% of all households were made up of individuals and 15.8% had someone living alone who was 65 years of age or older. The average household size was 2.28 and the average family size was 2.89.
The town's population is spread out with 21.6% under the age of 18, 13.8% from 18 to 24, 26.4% from 25 to 44, 21.5% from 45 to 64, and 16.7% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 90.8 males. For every 100 females age 18 and over, there were 86.9 males.
The median income for a household in the town was $34,435, and the median income for a family was $45,171. Males had a median income of $33,596 versus $22,500 for females. The per-capita income for the town is $17,207. About 8.5% of families and 10.7% of the population were below the poverty line, including 13.9% of those under age 18 and 8.7% of those age 65 or over.