As of the census of 2000, there were 8,009 people, 3,742 households, and 2,028 families residing in the city. The population density was 9,601.9 people per square mile (3,725.7/km²). There were 4,674 housing units at an average density of 5,603.6/sq mi (2,174.3/km²). The racial makeup of the city was 98.84% White, 0.12% African American, 0.10% Native American, 0.31% Asian, 0.01% Pacific Islander, 0.14% from other races, and 0.47% from two or more races. Hispanic or Latino of any race were 0.65% of the population.
There were 3,742 households out of which 24.0% had children under the age of 18 living with them, 36.4% were married couples living together, 13.0% had a female householder with no husband present, and 45.8% were non-families. 41.2% of all households were made up of individuals and 22.6% had someone living alone who was 65 years of age or older. The average household size was 2.13 and the average family size was 2.89.
In the city the population was spread out with 22.2% under the age of 18, 7.2% from 18 to 24, 26.2% from 25 to 44, 22.6% from 45 to 64, and 21.9% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 86.2 males. For every 100 females age 18 and over, there were 80.6 males.
The median income for a household in the city was $20,173, and the median income for a family was $30,038. Males had a median income of $28,261 versus $19,120 for females. The per capita income for the city was $12,354. About 19.3% of families and 24.2% of the population were below the poverty line, including 34.2% of those under age 18 and 21.3% of those age 65 or over.