Zip Code 11730 — East Islip, NY

ZIP Code 11730 is associated with East Islip, NY, in Suffolk County. The listed population estimate is 14,247; estimated density is 1,223.5 people per square mile. Among records with population estimates, it ranks #42 of 106 in Suffolk County and #419 of 1,778 in NY.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.727010, -73.184560)

Data MetricLocal Statistic
Postal / Zip Code11730
Primary CityEast Islip
State / ProvinceNY
CountySuffolk
Total Population14,247
Population Density1,223.5 people/sq mi
TimezoneAmerica/New_York

How 11730 Compares

MetricZIP 11730Suffolk County recordsNY records
Population estimate14,2471,476,044 (sum)19,771,902 (sum)
Population Density1,223.5 /sq mi----
County population rank#42 of 106----
State population rank#419 of 1,778----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in NY

ZIP CodeCityDistancePopulation estimate
ZIP 11751Islip1.6 mi13,726
ZIP 11739Great River1.6 mi1,225
ZIP 11752Islip Terrace2.2 mi9,204
ZIP 11769Oakdale3.0 mi8,935
ZIP 11706Bay Shore3.3 mi68,976

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 →