ZIP code 11742
Where is ZIP code 11742?
Holtsville, New York
Suffolk County · Standard ZIP code
ZIP code 11742 belongs to Holtsville, New York in Suffolk County. 11742 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 631 and 934. About 13,202 people live in the 11742 area, where the median household income is $125,162. The closest ZIP codes are 00501 (Holtsville, 0.4 mi northwest), 00544 (Holtsville, 0.4 mi northwest) and 11738 (Farmingville, 1.8 mi north).
| ZIP code | 11742 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Holtsville |
| State | New York (NY) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 631, 934 |
| Coordinates | 40.8105, -73.0416 map |
| 3-digit prefix | 117 |
Population and income in 11742
| Population | 13,202 · higher than 75% of New York ZIP codes |
|---|---|
| People per square mile | 2,564 · higher than 77% of New York ZIP codes |
| Median age | 39.3 years · lower than 74% of New York ZIP codes |
| Men / women | 51% / 49% |
| Median household income | $125,162 · higher than 83% of New York ZIP codes |
| Income per person | $55,928 |
| Below the poverty line | 5.6% |
| Bachelor’s degree or higher | 36% of adults 25+ |
| Median home value | $510,200 · higher than 76% of New York ZIP codes |
| Median rent | $2,400 a month |
| Housing units | 4,725 |
| Households | 4,651 (2.82 people on average) |
| Owners / renters | 84% / 16% |
| Land area | 5.15 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 11742. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 11742
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 00501 | Holtsville, NY | 0.4 mi NW | Unique |
| 00544 | Holtsville, NY | 0.4 mi NW | Unique |
| 11738 | Farmingville, NY | 1.8 mi N | Standard |
| 11741 | Holbrook, NY | 1.9 mi SW | Standard |
| 11763 | Medford, NY | 3 mi E | Standard |
| 11784 | Selden, NY | 4.1 mi N | Standard |
| 11715 | Blue Point, NY | 4.2 mi S | Standard |
| 11772 | Patchogue, NY | 4.5 mi SE | Standard |
| 11705 | Bayport, NY | 4.6 mi S | Standard |
| 11779 | Ronkonkoma, NY | 4.7 mi W | Standard |
| 11720 | Centereach, NY | 4.7 mi NW | Standard |
| 11716 | Bohemia, NY | 4.9 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 11742 or measure the distance to another ZIP code.
How to address mail to 11742
123 MAIN ST
HOLTSVILLE NY 11742
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (11742-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Holtsville, NY
All Holtsville ZIP codes with population and income →
Questions
- What city is ZIP code 11742?
- 11742 is a Holtsville, New York ZIP code.
- What county is 11742 in?
- ZIP code 11742 is in Suffolk County, New York.
- What time zone is ZIP code 11742 in?
- 11742 is in the Eastern Time zone (America/New_York).
- What area code is 11742?
- Phone numbers in ZIP code 11742 use area codes 631 and 934.
- What is the population of ZIP code 11742?
- About 13,202 people live in ZIP code 11742, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 11742?
- The median household income in 11742 is $125,162 a year, higher than 83% of New York ZIP codes.
- What ZIP codes are near 11742?
- The nearest ZIP codes to 11742 are 00501 (Holtsville, 0.4 miles), 00544 (Holtsville, 0.4 miles), 11738 (Farmingville, 1.8 miles) and 11741 (Holbrook, 1.9 miles).