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Zip Code 11971 — Southold, NY

11971 is a ZIP Code associated with Southold, NY, located within Suffolk. 11971 ranks #66 out of 108 ZIP codes in Suffolk County by population (and #652 out of 1,826 in NY). The area supports an estimated population of 6,361 residents across Data Pending housing units, with a population density of 224.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.059490, -72.426170)

Data MetricLocal Statistic
Postal / Zip Code11971
Primary CitySouthold
State / ProvinceNY
CountySuffolk
Total Population6,361
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density224.1 people/sq mi
TimezoneAmerica/New_York

How 11971 Compares

MetricZIP 11971Suffolk CountyNY State Average
Population6,3611,476,044 (Total)19,771,902 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density224.1 /sq mi----
County Pop Rank#66 of 108----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 11958Peconic2.4 mi884N/A
Zip 11944Greenport3.9 mi5,037N/A
Zip 11935Cutchogue4.4 mi2,863N/A
Zip 11965Shelter Island Heights4.5 mi404N/A
Zip 11964Shelter Island5.8 mi2,906N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →