New York Gazetteer
Also See: Stony Brook, NY ZIP Codes & ZIP Code Maps
The Stony Brook CDP(1) had a population of 13,355 as of July 1, 2021.
The primary coordinate point for Stony Brook is located at latitude 40.9257 and longitude -73.1409 in Suffolk County. The formal boundaries for the Stony Brook Census Designated Place encompass a land area of 5.81 sq. miles and a water area of 0.14 sq. miles. Suffolk County is in the Eastern time zone (GMT -5). The elevation is 89 feet.
The Stony Brook Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.
The Stony Brook Census Designated Place is located within Town of Brookhaven, a minor civil division (MCD) of Suffolk County.
Alternate Unofficial Names for Stony Brook: Stonybrook, Wopowag.
POPULATION | |
|---|---|
| Total Population | 13,355 (100%) |
| Population in Households | 13,261 (99.3%) |
| Population in Families | 11,349 (85.0%) |
| Population in Group Quarters1 | 94 ( 0.7%) |
| Population Density | 2,300 |
| Diversity Index2 | 36 |
INCOME | |
| Median Household Income | $150,973 |
| Average Household Income | $185,988 |
| % of Income for Mortgage4 | 16% |
| Per Capita Income | $66,091 |
| Wealth Index5 | 308 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 5,043 (100%) |
| Owner Occupied HU | 4,346 (86.2%) |
| Renter Occupied HU | 399 ( 7.9%) |
| Vacant Housing Units | 298 ( 5.9%) |
| Median Home Value | $561,227 |
| Average Home Value | $646,664 |
| Housing Affordability Index3 | 120 |
HOUSEHOLDS | |
| Total Households | 4,745 |
| Average Household Size | 2.79 |
| Family Households | 3,533 |
| Average Family Size | 3 |
GROWTH RATE / YEAR |
2010-2021 | 2021-2026 |
|---|---|---|
| Population | -0.25% | -0.36% |
| Households | -0.19% | -0.36% |
| Families | -0.3% | -0.43% |
| Median Household Income | 0.98% | |
| Per Capita Income | 1.61% | |
| Owner Occupied HU | -0.26% |
The table below compares Stony Brook to the other 1,195 incorporated cities, towns and CDPs in New York by rank and percentile using July 1, 2021 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile |
|---|---|---|
| Total Population | # 151 | 87th |
| Population Density | # 373 | 69th |
| Median Household Income | # 101 | 92nd |
| Housing Affordability Index | # 440 | 37th |
| Per Capita Income | # 131 | 89th |
| Diversity Index | # 421 | 65th |
Additional comparisons and rankings can be made with a VERY EASY TO USE New York Census Data Comparison Tool.
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