Groton

County:: Grafton County
County Seat:: No
Area (mi²):: 40.696
State:: New Hampshire

Groton is located in Grafton County, New Hampshire. Groton has a 2025 population of 578. Groton is currently declining at a rate of -0.17% annually but its population has increased by 2.12% since the most recent census, which recorded a population of 566 in 2020.

The average household income in Groton is $79,429 with a poverty rate of 10.32%.The median age in Groton is 45.4 years: 54.1 years for males, and 44.6 years for females.

Demographics

The racial composition of Groton includes 90.68% White, and smaller percentages for other race, Asian and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	438	90.68%
Two or more races	38	7.87%
Other race	6	1.24%
Asian	1	0.21%

Groton Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Groton's average per capita income is $39,125. Household income levels show a median of $73,750. The poverty rate stands at 10.32%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$78,958	-
Families	$74,423	$79,801
Households	$73,750	$79,429
Non Families	$58,750	$70,958

$39,125

Average Income

$73,750

Median Household Income

10.32%

Poverty Rate