Williamstown (CDP), Massachusetts
|• Total||3.4 sq mi (8.9 km2)|
|• Land||3.4 sq mi (8.9 km2)|
|• Water||0.0 sq mi (0.0 km2)|
|Elevation||686 ft (209 m)|
|• Density||1,389.8/sq mi (536.6/km2)|
|Time zone||Eastern (EST) (UTC-5)|
|• Summer (DST)||EDT (UTC-4)|
|GNIS feature ID||0607825|
Williamstown is located at .(42.709577, -73.197396)
According to the United States Census Bureau, the CDP has a total area of 8.9 km² (3.4 mi²). 8.9 km² (3.4 mi²) of it is land and 0.29% is water.
As of the census of 2000, there were 4,754 people, 1,368 households, and 715 families residing in the CDP. The population density was 536.7/km² (1,389.8/mi²). There were 1,550 housing units at an average density of 175.0/km² (453.1/mi²). The racial makeup of the CDP was 86.87% White, 3.83% Black or African American, 0.06% Native American, 4.80% Asian, 0.11% Pacific Islander, 1.20% from other races, and 3.13% from two or more races. Hispanic or Latino of any race were 3.64% of the population.
There were 1,368 households out of which 21.1% had children under the age of 18 living with them, 41.9% were married couples living together, 7.7% had a female householder with no husband present, and 47.7% were non-families. 40.2% of all households were made up of individuals and 18.3% had someone living alone who was 65 years of age or older. The average household size was 2.04 and the average family size was 2.75.
In the CDP the population was spread out with 11.7% under the age of 18, 45.0% from 18 to 24, 13.8% from 25 to 44, 15.8% from 45 to 64, and 13.7% who were 65 years of age or older. The median age was 22 years. For every 100 females there were 92.2 males. For every 100 females age 18 and over, there were 91.3 males.
The median income for a household in the CDP was $40,223, and the median income for a family was $70,000. Males had a median income of $44,167 versus $23,702 for females. The per capita income for the CDP was $20,859. About 0.4% of families and 7.4% of the population were below the poverty line, including 1.7% of those under age 18 and 4.6% of those age 65 or over.