Islip, NY ZIP codes

3 ZIP/ZCTAs intersecting this Census place (CDP) in Suffolk County.

ACS 2023 population

17,224

Median household income

$122,596

Median home value

$486,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Islip (GEOID 3637869). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 120,243 (3 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Islip, NY

Census place boundary and intersecting ZIP Code Tabulation Areas for Islip, NY — Census place boundary for Islip, NY. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Islip

Population overlap

Share of each ZIP/ZCTA’s population located within Islip, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

117064.0%
117222.5%
11751100.0%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Islip

ZIP	City	County	Population	Income
11706	Bay Shore	Suffolk County	68,648	$115,112
11722	Central Islip	Suffolk County	38,443	$110,365
11751	Islip	Suffolk County	13,152	$116,328