| ZIP Code | 11724 |
|---|---|
| City | Cold Spring Harbor |
| State | New York (NY) |
| County | Suffolk County |
| Area Code | 363/516/631/934 |
| Elevation | 205 ft |
| Latitude | 40.864322 |
|---|---|
| Longitude | -73.456406 |
| Timezone | New York (DST) |
| FIPS | 36103 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 40.2 yrs ↑ 7% since 2019 |
|---|---|
| Avg Household Size | 2.92 |
| Below Poverty | 2.4% ▼ 76% below avg |
| College Grads | 85.9% ▲ 122% above avg |
| Unemployment | 1.6% ▼ 67% below avg |
| No HS Diploma | 11 (0.6%) |
| HS Graduate | 123 (6.9%) |
| Some College | 47 (2.7%) |
| Associates | 69 (3.9%) |
| Bachelors | 102 (5.8%) |
| Graduate Degree | 1,420 (80.1%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $250,001 ▲ 228% above avg |
|---|---|
| Median Home Value | $1,571,600 ▲ 464% above avg ↑ 34% since 2019 |
| Home/Income Ratio | 6.3x (nat avg ~3.5x) |
| Median Rent | $2,692/mo |
| Total Units | 1,059 |
| Vacant Units | 82 |
| Avg HH Size | 2.92 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 1,059 |
|---|---|
| Vacant | 82 |
| Owner Occupied | 94.8% |
| Renter Occupied | 5.2% |
| Avg HH Size | 2.92 |
ZIP code 11724 is located in Cold Spring Harbor, New York, within Suffolk County. With a population of 2,956, this is a sparsely populated ZIP code with a middle-aged community — the median age is 40.2 years. Economically, 11724 is a affluent ZIP code: the median household income of $250,001 is more than double the national average.
Real estate in ZIP code 11724 represents among the most expensive housing markets in the country. The median home value of $1,571,600 is more than double the national average. Renters can expect to pay around $2,692 per month in median rent. Homeownership is strong here — 94.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 34% since 2019.
The population of 11724 is primarily White (85.69%). Residents are highly educated — 85.9% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 2.4%.
The unemployment rate in 11724 stands at 1.6%, which is well below the national average. About 25% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 49%.
Overall, ZIP code 11724 in Cold Spring Harbor, NY is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 2,956 residents, a median household income of $250,001, and a median home value of $1,571,600, it offers a clear picture of life in this part of New York.