| ZIP Code | 11742 |
|---|---|
| City | Holtsville |
| State | New York (NY) |
| County | Suffolk County |
| Area Code | 631/934 |
| Elevation | 75 ft |
| Latitude | 40.810354 |
|---|---|
| Longitude | -73.041875 |
| Timezone | New York (DST) |
| FIPS | 36103 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 40.0 yrs ↓ 8% since 2019 |
|---|---|
| Avg Household Size | 2.92 |
| Below Poverty | 4.5% ▼ 55% below avg |
| College Grads | 47.8% ▲ 23% above avg |
| Unemployment | 2.5% ▼ 48% below avg |
| No HS Diploma | 439 (5%) |
| HS Graduate | 2,317 (26.2%) |
| Some College | 723 (8.2%) |
| Associates | 1,141 (12.9%) |
| Bachelors | 1,039 (11.8%) |
| Graduate Degree | 3,183 (36%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $126,563 ▲ 66% above avg ↑ 18% since 2019 |
|---|---|
| Median Home Value | $475,600 ▲ 71% above avg ↑ 34% since 2019 |
| Home/Income Ratio | 3.8x (nat avg ~3.5x) |
| Median Rent | $2,224/mo ↑ 29% since 2019 |
| Total Units | 4,610 |
| Vacant Units | 102 |
| Avg HH Size | 2.92 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 4,610 |
|---|---|
| Vacant | 102 |
| Owner Occupied | 81.5% |
| Renter Occupied | 18.5% |
| Avg HH Size | 2.92 |
ZIP code 11742 is located in Holtsville, New York, within Suffolk County. With a population of 13,194, this is a lightly populated ZIP code with a middle-aged community — the median age is 40 years. Economically, 11742 is a upper-middle-income ZIP code: the median household income of $126,563 is significantly above the national average.
Real estate in ZIP code 11742 represents a premium housing market. The median home value of $475,600 is significantly above the national average. Renters can expect to pay around $2,224 per month in median rent. Homeownership is strong here — 81.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 34% since 2019.
The population of 11742 is primarily White (72.75%). Residents are well-educated — 47.8% hold a bachelor's degree or higher, which is above the national average. Poverty affects a relatively small share of residents at 4.5%. Household income has grown by 18% since 2019.
The unemployment rate in 11742 stands at 2.5%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 81%.
Overall, ZIP code 11742 in Holtsville, NY is characterized as upper-middle-income, well-educated, a middle-aged community, and predominantly owner-occupied. With 13,194 residents, a median household income of $126,563, and a median home value of $475,600, it offers a clear picture of life in this part of New York.