As of the censusGR2 of 2000, there were 6,789 people, 3,190 households, and 1,805 families residing in the city. The population density was 359.6/km² (931.7/mi²). There were 3,635 housing units at an average density of 192.5/km² (498.9/mi²).
There were 3,190 households out of which 18.0% had children under the age of 18 living with them, 43.2% were married couples living together, 10.3% had a female householder with no husband present, and 43.4% were non-families. 38.8% of all households were made up of individuals and 24.3% had someone living alone who was 65 years of age or older. The average household size was 1.99 and the average family size was 2.60.
In the city the population was spread out with 16.6% under the age of 18, 4.9% from 18 to 24, 19.3% from 25 to 44, 21.2% from 45 to 64, and 38.0% who were 65 years of age or older. The median age was 55 years. For every 100 females there were 76.4 males. For every 100 females age 18 and over, there were 72.0 males.
The median income for a household in the city was $26,604, and the median income for a family was $35,342. Males had a median income of $27,255 versus $21,052 for females. The per capita income for the city was $17,211. About 9.6% of families and 14.8% of the population were below the poverty line, including 27.5% of those under age 18 and 8.3% of those age 65 or over.