Shelter Island is a CDP located in Suffolk County, New York. Shelter Island has a 2025 population of 2,872. Shelter Island is currently growing at a rate of 3.72% annually and its population has increased by 45.05% since the most recent census, which recorded a population of 1,980 in 2020.
The average household income in Shelter Island is $158,985 with a poverty rate of 1.18%. The median age in Shelter Island is 40.6 years: 41.4 years for males, and 40.3 years for females.
Data after 2023 is projected based on recent change
The racial composition of Shelter Island includes 56.2% White, 16.97% Native American, 10.43% other race, 7.06% Asian, and smaller percentages for and multiracial populations.
White (56.2%)
Native American (17.0%)
Other race (10.4%)
Two or more races (9.3%)
Asian (7.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,282 | 56.2% |
| Native American | 387 | 16.97% |
| Other race | 238 | 10.43% |
| Two or more races | 213 | 9.34% |
| Asian | 161 | 7.06% |
Married
Widowed
Divorced
Separated
Never Married
Shelter Island's average per capita income is $94,294. Household income levels show a median of $129,410. The poverty rate stands at 1.18%.
Name | Median | Mean |
|---|---|---|
| Married Families | $148,867 | - |
| Families | $147,667 | $152,153 |
| Households | $129,410 | $158,985 |
| Non Families | - | $145,879 |
Average Income
Median Household Income
Poverty Rate