| ZIP Code | 11787 |
|---|---|
| City | Smithtown |
| State | New York (NY) |
| County | Suffolk County |
| Area Code | 631/934 |
| Elevation | 41 ft |
| Latitude | 40.852924 |
|---|---|
| Longitude | -73.21126 |
| Timezone | New York (DST) |
| FIPS | 36103 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 46.9 yrs ↑ 3% since 2019 |
|---|---|
| Avg Household Size | 2.86 |
| Below Poverty | 5.2% ▼ 48% below avg |
| College Grads | 62.0% ▲ 60% above avg |
| Unemployment | 3.6% ▼ 26% below avg |
| No HS Diploma | 365 (1.6%) |
| HS Graduate | 4,689 (20%) |
| Some College | 1,688 (7.2%) |
| Associates | 2,185 (9.3%) |
| Bachelors | 2,642 (11.3%) |
| Graduate Degree | 11,895 (50.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $141,505 ▲ 85% above avg ↑ 10% since 2019 |
|---|---|
| Median Home Value | $642,200 ▲ 130% above avg ↑ 29% since 2019 |
| Home/Income Ratio | 4.5x (nat avg ~3.5x) |
| Median Rent | $2,349/mo ↑ 33% since 2019 |
| Total Units | 12,147 |
| Vacant Units | 313 |
| Avg HH Size | 2.86 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 12,147 |
|---|---|
| Vacant | 313 |
| Owner Occupied | 86.4% |
| Renter Occupied | 13.6% |
| Avg HH Size | 2.86 |
ZIP code 11787 is located in Smithtown, New York, within Suffolk County. With a population of 34,656, this is a moderately populated ZIP code with a mature community — the median age is 46.9 years. Economically, 11787 is a upper-middle-income ZIP code: the median household income of $141,505 is significantly above the national average.
Real estate in ZIP code 11787 represents a premium housing market. The median home value of $642,200 is more than double the national average. Renters can expect to pay around $2,349 per month in median rent. Homeownership is strong here — 86.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 29% since 2019.
The population of 11787 is primarily White (79.88%). Residents are highly educated — 62.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 5.2%. Household income has grown by 10% since 2019.
The unemployment rate in 11787 stands at 3.6%, which is below the national average. About 16% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 75%.
Overall, ZIP code 11787 in Smithtown, NY is characterized as upper-middle-income, highly educated, a mature community, and predominantly owner-occupied. With 34,656 residents, a median household income of $141,505, and a median home value of $642,200, it offers a clear picture of life in this part of New York.