Buena Vista is an independent city located within the confines of Rockbridge County in the state of Virginia. The population was 6,349 at the 2000 census. The Bureau of Economic Analysis combines the city of Buena Vista (along with Lexington) with Rockbridge county for statistical purposes. A sign on a building in downtown Buena Vista states the population as "6002 happy citizens and 3 old grouches". However that sign is dated 1974 which means that the town's population increased since 1970.
There were 2,547 households out of which 30.0% had children under the age of 18 living with them, 49.5% were married couples living together, 14.3% had a female householder with no husband present, and 31.3% were non-families. 27.6% of all households were made up of individuals and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.38 and the average family size was 2.87.
In the city the population was spread out with 22.5% under the age of 18, 10.6% from 18 to 24, 26.0% from 25 to 44, 24.6% from 45 to 64, and 16.3% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 86.5 males. For every 100 females age 18 and over, there were 82.3 males.
The median income for a household in the city was $32,410, and the median income for a family was $39,449. Males had a median income of $28,921 versus $21,029 for females. The per capita income for the city was $16,377. About 8.2% of families and 10.4% of the population were below the poverty line, including 14.3% of those under age 18 and 10.1% of those age 65 or over.