Southold, NY ZIP Codes
One ZIP code serves Southold, New York: 11971. Together they are home to 6,361 residents in 2,437 households.
Southold Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 6,397 |
| Households | 2,460 |
| Median household income | $128,822 |
| Median home value | $844,700 |
| Median age | 48.6 |
| Median rent | $2,237 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 6,361 |
| Households (sum of ZIP codes) | 2,437 |
| Median household income, range across ZIP codes | $129,507 (11971) to $129,507 (11971) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $129,507 |
| Homeowners | 84.3% |
| Households with kids under 18 | 26.7% |
| Moved in the past year | 9.5% |
| Carrier routes in EDDM2GO's route library | 5 routes, 3,186 homes (1 of 1 ZIP codes) |
Every ZIP code in Southold
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 11971 | Southold | 6,361 | 2,437 | $129,507 | $843,300 | 84.3% | 26.7% | 9.5% | 5 | 3,302 | 94% of its land; mailing city |
A ZIP code is listed for Southold when at least 10% of its land lies inside the Southold Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Southold. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Southold.
Counties
- Suffolk County — 108 ZIP codes
Price a mailing to Southold ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Southold, NY?
- 11971. A ZIP code is listed for Southold when at least 10% of its land lies inside the Southold Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Southold.
- What is the population of Southold, NY?
- The Census Bureau counts 6,397 residents inside Southold Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Southold hold 6,361 residents in all.
- What is the median household income in Southold, NY?
- $128,822 inside Southold Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $129,507 to $129,507.
- How many carrier routes and mailboxes are in Southold, NY?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 5 carrier routes reaching 3,186 residential and 116 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.