Londonderry is a CDP located in Rockingham County, New Hampshire. Londonderry has a 2026 population of 12,600. Londonderry is currently growing at a rate of 0.78% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The median household income in Londonderry is $119,571 with a poverty rate of 2.91%. The median age in Londonderry is 42.4 years: 41.3 years for males, and 43.2 years for females. For every 100 females there are 97.8 males.
Data after 2023 is projected based on recent change
Overall: 42.4 years
Female: 43.2 years
Male: 41.3 years
There are 9,953 adults, (2,017 of whom are seniors) in Londonderry.
Female: 6,180 (50.6%)
Male: 6,045 (49.4%)
The racial composition of Londonderry includes 92.78% White, and smaller percentages for other race, Asian, Black or African American, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 11,342 | 92.78% |
| Two or more races | 702 | 5.74% |
| Other race | 79 | 0.65% |
| Asian | 50 | 0.41% |
| Black or African American | 48 | 0.39% |
| Native American | 4 | 0.03% |
Londonderry 's average per capita income is $66,628. Household income levels show a median of $119,571. The poverty rate stands at 2.91%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $161,250 | - |
| Families | $143,578 | $157,319 |
| Households | $119,571 | $137,869 |
| Non Families | $69,051 | $84,041 |
Average Income
Median Household Income
Poverty Rate