Westminster is a town in Worcester County, Massachusetts, in the United States. At the 2010 census, the town population was 7,277. According to the United States Census Bureau, the town has a total area of 37.3 square miles (97 km2), of which 35.5 square miles (92 km2) is land and 1.8 square miles (4.7 km2), or 4.90%, is water. Westminster is bordered by Ashburnham to the north, Gardner to the west, Hubbardston to the southwest, Princeton to the south, and Leominster and Fitchburg to the east. As of the census of 2000, there were 6,907 people, 2,529 households, and 1,954 families residing in the town. The population density was 194.5 people per square mile (75.1/km2).
There were 2,694 housing units at an average density of 75.9 per square mile (29.3/km2). The racial makeup of the town was 97.50% White, 0.46% African American, 0.14% Native American, 1.14% Asian, 0.14% from other races, and 0.61% from two or more races. Hispanic or Latino of any race were 1.11% of the population. 17.6% were of French, 15.0% Irish, 13.2% French Canadian, 9.0% English, 9.0% Italian, 8.5% Finnish and 5.6% American ancestry according to Census 2000. There were 2,529 households, out of which 36.9% had children under the age of 18 living with them, 65.8% were married couples living together, 8.1% had a female householder with no husband present, and 22.7% were non-families.
information provided by wikipedia.org