Northwest Harbor is a CDP located in Suffolk County, New York. Northwest Harbor has a 2025 population of 5,135 . Northwest Harbor is currently growing at a rate of 2.43% annually and its population has increased by 24.09% since the most recent census, which recorded a population of 4,138 in 2020.
The average household income in Northwest Harbor is $233,399 with a poverty rate of 22.41%. The median age in Northwest Harbor is 49.1 years: 53.6 years for males, and 45.8 years for females. For every 100 females there are 85.2 males.
Data after 2023 is projected based on recent change
The racial composition of Northwest Harbor includes 63.75% White, 10.45% other race, and smaller percentages for Black or African American, Native American, Asian and multiracial populations.
White (63.75%)
Two or more races (21.08%)
Other race (10.45%)
Black or African American (2.72%)
Native American (1.45%)
Asian (0.54%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 3,166 | 63.75% |
| Two or more races | 1,047 | 21.08% |
| Other race | 519 | 10.45% |
| Black or African American | 135 | 2.72% |
| Native American | 72 | 1.45% |
| Asian | 27 | 0.54% |
Married
Widowed
Divorced
Separated
Never Married
Northwest Harbor's average per capita income is $63,302. Household income levels show a median of $129,653. The poverty rate stands at 22.41%.
Name | Median | Mean |
|---|---|---|
| Married Families | $173,617 | - |
| Families | $163,659 | $275,808 |
| Households | $129,653 | $233,399 |
| Non Families | $67,725 | $154,236 |
Average Income
Median Household Income
Poverty Rate