Groton is a census-designated place (CDP) located in the town of Groton in Middlesex County, Massachusetts. As of the 2000 census, the town had a total population of 1,113.

Geography

According to the United States Census Bureau, the CDP has a total area of 4.4 km² (1.7 mi²). None of the area is covered with water.

Demographics

As of the census of 2000, there are 1,113 people, 442 households, and 260 families residing in the CDP. The population density is 254.3/km² (659.3/mi²). There are 459 housing units at an average density of 104.9 persons/km² (271.9 persons/mi²). The racial makeup of the CDP is 94.61% White, 0.72% African American, 0.27% Native American, 1.08% Asian, 0.18% Pacific Islander, 0.99% from other races, and 2.16% from two or more races. 1.44% of the population are Hispanic or Latino of any race.

There are 442 households out of which 33.0% have children under the age of 18 living with them, 46.8% are married couples living together, 9.5% have a woman whose husband does not live with her, and 41.0% are non-families. 34.4% of all households are made up of individuals and 15.4% have someone living alone who is 65 years of age or older. The average household size is 2.35 and the average family size is 3.14.

In the CDP the population is spread out with 27.7% under the age of 18, 6.7% from 18 to 24, 31.3% from 25 to 44, 21.1% from 45 to 64, and 13.2% who are 65 years of age or older. The median age is 35 years. For every 100 females there are 86.7 males. For every 100 females age 18 and over, there are 76.5 males.

The median income for a household in the CDP is $58,409, and the median income for a family is $80,981. Males have a median income of $60,833 versus $32,292 for females. The per capita income for the CDP is $33,044. 11.4% of the population and 6.6% of families are below the poverty line. Out of the total people living in poverty, 15.3% are under the age of 18 and 0.0% are 65 or older.