Sandown is located in Rockingham County, New Hampshire. Sandown has a 2025 population of 6,780 . Sandown is currently growing at a rate of 0.91% annually and its population has increased by 3.46% since the most recent census, which recorded a population of 6,553 in 2020.
The average household income in Sandown is $138,686 with a poverty rate of 10.2%. The median age in Sandown is 38.9 years: 40.6 years for males, and 38.3 years for females. For every 100 females there are 82.6 males.
Data after 2023 is projected based on recent change
The racial composition of Sandown includes 95.89% White, and smaller percentages for Two or more races, other race, Asian and multiracial populations.
White (95.89%)
Two or more races (1.94%)
Other race (1.82%)
Asian (0.35%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 6,319 | 95.89% |
| Two or more races | 128 | 1.94% |
| Other race | 120 | 1.82% |
| Asian | 23 | 0.35% |
Married
Widowed
Divorced
Separated
Never Married
Sandown's average per capita income is $68,804. Household income levels show a median of $137,813. The poverty rate stands at 10.2%.
Name | Median | Mean |
|---|---|---|
| Married Families | $159,779 | - |
| Families | $138,726 | $141,378 |
| Households | $137,813 | $138,686 |
| Non Families | $101,190 | $106,864 |
Average Income
Median Household Income
Poverty Rate