Charlestown is a CDP located in Sullivan County, New Hampshire. Charlestown has a 2025 population of 880 . Charlestown is currently declining at a rate of -2% annually and its population has decreased by -5.68% since the most recent census, which recorded a population of 933 in 2020.
The average household income in Charlestown is $68,039 with a poverty rate of 32.32%. The median age in Charlestown is 38.8 years: 56.4 years for males, and 29.1 years for females. For every 100 females there are 79.0 males.
Data after 2023 is projected based on recent change
The racial composition of Charlestown includes 94.2% White, and smaller percentages for and multiracial populations.
White (94.2%)
Two or more races (5.8%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 828 | 94.2% |
| Two or more races | 51 | 5.8% |
Married
Widowed
Divorced
Separated
Never Married
Charlestown's average per capita income is $55,395. Household income levels show a median of $0. The poverty rate stands at 32.32%.
Name | Median | Mean |
|---|---|---|
| Non Families | $27,917 | $25,121 |
| Households | - | $68,039 |
| Families | - | $92,580 |
| Married Families | - | - |
Average Income
Median Household Income
Poverty Rate