Great River is a CDP located in Suffolk County, New York. Great River has a 2025 population of 2,118 . Great River is currently growing at a rate of 2.02% annually and its population has increased by 8.01% since the most recent census, which recorded a population of 1,961 in 2020.
The average household income in Great River is $157,982 with a poverty rate of 2.55%. The median age in Great River is 52.3 years: 45.3 years for males, and 57.1 years for females. For every 100 females there are 95.2 males.
Data after 2023 is projected based on recent change
The racial composition of Great River includes 90.11% White, and smaller percentages for Asian, other race and multiracial populations.
White (90.11%)
Two or more races (7.77%)
Asian (1.54%)
Other race (0.59%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,694 | 90.11% |
| Two or more races | 146 | 7.77% |
| Asian | 29 | 1.54% |
| Other race | 11 | 0.59% |
Married
Widowed
Divorced
Separated
Never Married
Great River's average per capita income is $91,281. Household income levels show a median of $133,385. The poverty rate stands at 2.55%.
Name | Median | Mean |
|---|---|---|
| Married Families | $195,000 | - |
| Families | $185,125 | $213,870 |
| Households | $133,385 | $157,982 |
| Non Families | $88,182 | $89,072 |
Average Income
Median Household Income
Poverty Rate