Grantham is a city located in New Hampshire. Grantham has a 2024 population of 3,530. Grantham is currently growing at a rate of 0.77% annually and its population has increased by 3.61% since the most recent census, which recorded a population of 3,407 in 2020.
The average household income in Grantham is $141,308 with a poverty rate of 0%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Grantham is 52.1 years, 50.3 years for males, and 54.7 years for females.
According to the most recent ACS, the racial composition of Grantham was:
White
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Two or more races
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,149 | 2.95 | 95 | 5 |
| Married | 867 | 2.97 | 94.8 | 5.2 |
| Non Family | 170 | 1.45 | 92.4 | 7.6 |
| Male | 112 | 5.11 | 100 | 0 |
| Female | 0 | 0 | 0 | 0 |
3.22
Average Family Size
2.95
Average Household Size
95.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among hispanic people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 60.05%.
All
Male
Female
$67,917
Average Earnings
$67,010
Average Male
$72,188
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
98.73% of Grantham residents speak only English, while 1.27% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.27% of the population.
Married
Widowed
Divorced
Separated
NeverMarried
60.3%
Overall Marriage Rate
80.3%
Male Marriage Rate
48.7%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
24%
Veteran Disability Rate
LaborForceParticipation
58.5%
Labor Force Participation
56.9%
Employment Rate
2.6%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
50.65%
Born in Grantham
98.26%
Native Born
1.74%
Foreign Born
1.27%
Non Citizen
0.47%
Naturalized
98.26% of Grantham residents were born in the United States, with 50.65% having been born in New Hampshire. 1.27% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 3,665 | 27 | 0.74% |
| 2028 | 3,638 | 27 | 0.75% |
| 2027 | 3,611 | 27 | 0.75% |
| 2026 | 3,584 | 27 | 0.76% |
| 2025 | 3,557 | 27 | 0.76% |
| 2024 | 3,530 | 27 | 0.77% |
| 2023 | 3,503 | 27 | 0.78% |
| 2022 | 3,476 | 27 | 0.78% |
| 2021 | 3,449 | 42 | 1.23% |
| 2020 | 3,407 | 453 | 15.34% |
| 2019 | 2,954 | 4 | 0.14% |
| 2018 | 2,950 | 5 | 0.17% |
| 2017 | 2,945 | -1 | -0.03% |
| 2016 | 2,946 | 4 | 0.14% |
| 2015 | 2,942 | 1 | 0.03% |
| 2014 | 2,941 | 5 | 0.17% |
| 2013 | 2,936 | -11 | -0.37% |
| 2012 | 2,947 | -12 | -0.41% |
| 2011 | 2,959 | -17 | -0.57% |
| 2010 | 2,976 | 0 | 0% |