New Castle town is located in Rockingham County, New Hampshire. New Castle town has a 2026 population of 1,009. New Castle town is currently growing at a rate of 0.4% annually and its population has increased by 1.61% since the most recent census, which recorded a population of 993 in 2020.
The median household income in New Castle town is $176,953 with a poverty rate of 4.59%. The median age in New Castle town is 62.8 years: 54.3 years for males, and 64.8 years for females. For every 100 females there are 104.7 males.
Data after 2023 is projected based on recent change
Overall: 62.8 years
Female: 64.8 years
Male: 54.3 years
There are 720 adults, (366 of whom are seniors) in New Castle town.
Female: 404 (48.9%)
Male: 423 (51.1%)
The racial composition of New Castle town includes 96.13% White, and smaller percentages for Asian and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 795 | 96.13% |
| Two or more races | 26 | 3.14% |
| Asian | 6 | 0.73% |
New Castle town 's average per capita income is $150,179. Household income levels show a median of $176,953. The poverty rate stands at 4.59%.
| Name | Median ↓ | Mean |
|---|---|---|
| Families | $201,250 | $323,208 |
| Married Families | $200,714 | - |
| Households | $176,953 | $256,186 |
| Non Families | $100,677 | $118,050 |
Average Income
Median Household Income
Poverty Rate