Grantham town Flag

Grantham town

County:
Sullivan County
County Seat:
No
Area (mi²):
27.217
State:
New Hampshire

Grantham town is located in Sullivan County, New Hampshire. Grantham town has a 2026 population of 3,485. Grantham town is currently growing at a rate of 0.03% annually and its population has increased by 2.23% since the most recent census, which recorded a population of 3,409 in 2020.

The median household income in Grantham town is $106,403 with a poverty rate of 0%. The median age in Grantham town is 50.4 years: 50.8 years for males, and 50.1 years for females. For every 100 females there are 84.3 males.

3.5K
Total Population
128
Density (mi²)
1 0.03%
Growth

Grantham town Population

Grantham town Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,48510.03%
20253,48410.03%
20243,48310.03%
20233,48260.17%
20223,476250.72%
20213,451421.23%
20203,40910.03%
20192,95440.14%
20182,95050.17%
20172,945-1-0.03%
20162,94640.14%
20152,94210.03%
20142,94150.17%
20132,936-11-0.37%
20122,947-12-0.41%
20112,959-26-0.87%
20102,97600%

Median Age

Overall: 50.4 years
Female: 50.1 years
Male: 50.8 years

Grantham town Adults

There are 2,803 adults, (590 of whom are seniors) in Grantham town.

Sex Ratio

Female: 1,880 (54.3%)
Male: 1,585 (45.7%)

Demographics

The racial composition of Grantham town includes 98.5% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,41398.5%
Two or more races521.5%
Race
Population ↓
Percentage (of total)
White361.04%
Race
Population ↓
Percentage (of total)
White3,37797.46%
Two or more races521.5%

Grantham town Marital Status

Economics and Income Statistics

Grantham town 's average per capita income is $78,722. Household income levels show a median of $106,403. The poverty rate stands at 0%.

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$164,844-
Families$160,089$169,359
Households$106,403$144,511
Non Families$64,264$77,476

$78,722

Average Income

$106,403

Median Household Income

0%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)