Siasconset is a CDP located in Nantucket County, Massachusetts. Siasconset has a 2025 population of 92 . Siasconset is currently declining at a rate of -8% annually but its population has increased by 3.37% since the most recent census, which recorded a population of 89 in 2020.
The average household income in Siasconset is $85,379 with a poverty rate of 45.05%. The median age in Siasconset is 70.1 years: 83.1 years for males, and 66.7 years for females. For every 100 females there are 72.1 males.
Data after 2023 is projected based on recent change
The racial composition of Siasconset includes 96.86% White, and smaller percentages for Asian, Two or more races and multiracial populations.
White (96.86%)
Asian (1.57%)
Two or more races (1.57%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 185 | 96.86% |
| Asian | 3 | 1.57% |
| Two or more races | 3 | 1.57% |
Married
Widowed
Divorced
Separated
Never Married
Siasconset's average per capita income is $88,646. Household income levels show a median of $0. The poverty rate stands at 45.05%.
Name | Median | Mean |
|---|---|---|
| Households | - | $85,379 |
| Families | - | $100,871 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate