Commack, NY ZIP Codes
2 ZIP codes serve Commack, New York: 11731 and 11725. Together they are home to 59,072 residents in 20,041 households. That is more than the 36,558 people counted inside Commack Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $161,132 in 11731 to $168,281 in 11725.
Commack Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 36,558 |
| Households | 11,640 |
| Median household income | $169,792 |
| Median home value | $678,200 |
| Median age | 42.3 |
| Median rent | $2,665 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 59,072 |
| Households (sum of ZIP codes) | 20,041 |
| Median household income, range across ZIP codes | $161,132 (11731) to $168,281 (11725) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $164,425 |
| Homeowners | 91.4% |
| Households with kids under 18 | 31.8% |
| Moved in the past year | 5.6% |
| Carrier routes in EDDM2GO's route library | 51 routes, 20,058 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Commack: 11725 ($168,281)
- Most residents: 11731 (29,999 people)
- Highest homeownership: 11725 (92.6% own their home)
- Most households with kids: 11725 (36.3% of households)
- Most new movers: 11725 (7.4% moved in last year)
- Youngest median age: 11725 (41.6 years)
- Highest median home value: 11725 ($670,000)
Every ZIP code in Commack
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 11731 | East Northport | 29,999 | 10,811 | $161,132 | $646,600 | 90.4% | 27.9% | 3.9% | 25 | 10,857 | 23% of its land |
| 11725 | Commack | 29,073 | 9,230 | $168,281 | $670,000 | 92.6% | 36.3% | 7.4% | 26 | 10,737 | 100% of its land; mailing city |
A ZIP code is listed for Commack when at least 10% of its land lies inside the Commack Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Commack. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Commack.
Counties
- Suffolk County — 108 ZIP codes
Nearby cities sharing these ZIP codes
- East Northport — 2 ZIP codes
- Elwood — 2 ZIP codes
Price a mailing to Commack ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Commack, NY?
- 11731 and 11725. A ZIP code is listed for Commack when at least 10% of its land lies inside the Commack Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Commack.
- What is the population of Commack, NY?
- The Census Bureau counts 36,558 residents inside Commack Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Commack hold 59,072 residents in all.
- What is the median household income in Commack, NY?
- $169,792 inside Commack Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $161,132 to $168,281.
- Which Commack ZIP code has the highest median household income?
- 11725, at $168,281, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Commack, NY?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 51 carrier routes reaching 20,058 residential and 1,536 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.