Wrangell-Petersburg Census Area is a census area located in the U.S. state of Alaska. As of the 2000 census, the population is 6,684. It is part of the unorganized borough and therefore has no borough seat. Its largest communities are Petersburg and Wrangell. However, as of June 1, 2008, Wrangell has been incorporated as a city-and-borough, so it is no longer part of this census area.
There were 2,587 households out of which 36.70% had children under the age of 18 living with them, 54.30% were married couples living together, 9.20% had a female householder with no husband present, and 31.80% were non-families. 26.30% of all households were made up of individuals and 7.50% 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 3.11.
In the census area the population was spread out with 29.70% under the age of 18, 5.70% from 18 to 24, 29.00% from 25 to 44, 26.00% from 45 to 64, and 9.50% who were 65 years of age or older. The median age was 37 years. For every 100 females there were 108.40 males. For every 100 females age 18 and over, there were 107.80 males.