Language Spoken At Home in Groton
*Base on 2012 Data
| Population 5 years and over | 399 | 100% |
| English only | 385 | 96.5% |
| Language other than English | 14 | 3.5% |
| Speak English less than very well | 0 | 0.0% |
| Spanish | 3 | 0.8% |
| Speak English less than very well | 0 | 0.0% |
| Other Indo-European languages | 11 | 2.8% |
| Speak English less than very well | 0 | 0.0% |
| Asian and Pacific Islander languages | 0 | 0.0% |
| Speak English less than very well | 0 | 0.0% |
| Other languages | 0 | 0.0% |
| Speak English less than very well | 0 | 0.0% |
Ancestry in Groton
*Base on 2012 Data
| Total population | 414 | 100% |
| American | 12 | 2.9% |
| Arab | 0 | 0.0% |
| Czech | 0 | 0.0% |
| Danish | 0 | 0.0% |
| Dutch | 0 | 0.0% |
| English | 58 | 14.0% |
| French (except Basque) | 30 | 7.2% |
| French Canadian | 38 | 9.2% |
| German | 38 | 9.2% |
| Greek | 12 | 2.9% |
| Hungarian | 3 | 0.7% |
| Irish | 71 | 17.1% |
| Italian | 21 | 5.1% |
| Lithuanian | 0 | 0.0% |
| Norwegian | 2 | 0.5% |
| Polish | 12 | 2.9% |
| Portuguese | 0 | 0.0% |
| Russian | 0 | 0.0% |
| Scotch-Irish | 4 | 1.0% |
| Scottish | 30 | 7.2% |
| Slovak | 0 | 0.0% |
| Subsaharan African | 0 | 0.0% |
| Swedish | 10 | 2.4% |
| Swiss | 0 | 0.0% |
| Ukrainian | 0 | 0.0% |
| Welsh | 0 | 0.0% |
| West Indian (excluding Hispanic origin groups) | 0 | 0.0% |
Households By Type in Groton
*Base on 2012 Data
| Total households | 180 | 100% |
| Family households (families) | 96 | 53.3% |
| With own children under 18 years | 56 | 31.1% |
| Married-couple family | 60 | 33.3% |
| With own children under 18 years | 20 | 11.1% |
| Male householder, no wife present, family | 0 | 0.0% |
| With own children under 18 years | 0 | 0.0% |
| Female householder, no husband present, family | 36 | 20.0% |
| With own children under 18 years | 36 | 20.0% |
| Nonfamily households | 84 | 46.7% |
| Householder living alone | 84 | 46.7% |
| 65 years and over | 26 | 14.4% |
| Households with one or more people under 18 years | 56 | 31.1% |
| Households with one or more people 65 years and over | 45 | 25.0% |
| Average household size | 2 | 0% |
| Average family size | 3 | 0% |
Relationship in Groton
*Base on 2012 Data
| Population in households | 414 | 100% |
| Householder | 180 | 43.5% |
| Spouse | 60 | 14.5% |
| Child | 151 | 36.5% |
| Other relatives | 3 | 0.7% |
| Nonrelatives | 20 | 4.8% |
| Unmarried partner | 11 | 2.7% |
Marital Status in Groton
*Base on 2012 Data
| Males 15 years and over | 147 | 100% |
| Never married | 54 | 36.7% |
| Now married, except separated | 60 | 40.8% |
| Separated | 0 | 0.0% |
| Widowed | 3 | 2.0% |
| Divorced | 30 | 20.4% |
| Females 15 years and over | 164 | 100% |
| Never married | 31 | 18.9% |
| Now married, except separated | 64 | 39.0% |
| Separated | 3 | 1.8% |
| Widowed | 16 | 9.8% |
| Divorced | 50 | 30.5% |
Fertility in Groton
*Base on 2012 Data
| Number of women 15 to 50 years old who had a birth in the past 12 months | 3 | 100% |
| Unmarried women (widowed, divorced, and never married) | 0 | 0.0% |
| Per 1,000 unmarried women | 0 | 0% |
| Per 1,000 women 15 to 50 years old | 28 | 0% |
| Per 1,000 women 15 to 19 years old | 0 | 0% |
| Per 1,000 women 20 to 34 years old | 65 | 0% |
| Per 1,000 women 35 to 50 years old | 0 | 0% |
Grandparents in Groton
*Base on 2012 Data
| Number of grandparents living with own grandchildren under 18 years | 0 | 0% |
| Responsible for grandchildren | 0 | 0% |
| Less than 1 year | 0 | 0% |
| 1 or 2 years | 0 | 0% |
| 3 or 4 years | 0 | 0% |
| 5 or more years | 0 | 0% |
| Number of grandparents responsible for own grandchildren under 18 years | 0 | 0% |
| Who are female | 0 | 0% |
| Who are married | 0 | 0% |
School Enrollment in Groton
*Base on 2012 Data
| Population 3 years and over enrolled in school | 124 | 100% |
| Nursery school, preschool | 3 | 2.4% |
| Kindergarten | 11 | 8.9% |
| Elementary school (grades 1-8) | 64 | 51.6% |
| High school (grades 9-12) | 26 | 21.0% |
| College or graduate school | 20 | 16.1% |
Educational Attainment in Groton
*Base on 2012 Data
| Population 25 years and over | 249 | 100% |
| Less than 9th grade | 16 | 6.4% |
| 9th to 12th grade, no diploma | 26 | 10.4% |
| High school graduate (includes equivalency) | 95 | 38.2% |
| Some college, no degree | 54 | 21.7% |
| Associate's degree | 14 | 5.6% |
| Bachelor's degree | 27 | 10.8% |
| Graduate or professional degree | 17 | 6.8% |
| Percent high school graduate or higher | 0 | 83.1% |
| Percent bachelor's degree or higher | 0 | 17.7% |
Veteran Status in Groton
*Base on 2012 Data
| Civilian population 18 years and over | 298 | 100% |
| Civilian veterans | 22 | 7.4% |
Disability Status Of The Civilian Noninstitutionalized Population in Groton
*Base on 2012 Data
| Total Civilian Noninstitutionalized Population | 414 | 100% |
| With a disability | 123 | 29.7% |
| Under 18 years | 116 | 100% |
| With a disability | 20 | 17.2% |
| 18 to 64 years | 241 | 100% |
| With a disability | 76 | 31.5% |
| 65 years and over | 57 | 100% |
| With a disability | 27 | 47.4% |
Residence 1 Year Ago in Groton
*Base on 2012 Data
| Population 1 year and over | 412 | 100% |
| Same house | 377 | 91.5% |
| Different house in the U.S. | 35 | 8.5% |
| Same county | 8 | 1.9% |
| Different county | 27 | 6.6% |
| Same state | 6 | 1.5% |
| Different state | 21 | 5.1% |
| Abroad | 0 | 0.0% |
Place Of Birth in Groton
*Base on 2012 Data
| Total population | 414 | 100% |
| Native | 402 | 97.1% |
| Born in United States | 399 | 96.4% |
| State of residence | 138 | 33.3% |
| Different state | 261 | 63.0% |
| Born in Puerto Rico, U.S. Island areas, or born abroad to American parent(s) | 3 | 0.7% |
| Foreign born | 12 | 2.9% |
U.S. Citizenship Status in Groton
*Base on 2012 Data
| Foreign-born population | 12 | 100% |
| Naturalized U.S. citizen | 0 | 0.0% |
| Not a U.S. citizen | 12 | 100.0% |
Year of Entry in Groton
*Base on 2012 Data
| Population born outside the United States | 15 | 100% |
| Native | 3 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 3 | 100.0% |
| Foreign born | 12 | 100% |
| Entered 2010 or later | 0 | 0.0% |
| Entered before 2010 | 12 | 100.0% |
World Region Of Birth Of Foreign Born in Groton
*Base on 2012 Data
| Foreign-born population, excluding population born at sea | 12 | 100% |
| Europe | 12 | 100.0% |
| Asia | 0 | 0.0% |
| Africa | 0 | 0.0% |
| Oceania | 0 | 0.0% |
| Latin America | 0 | 0.0% |
| Northern America | 0 | 0.0% |