Residential delivery area · New York
ZIP Code 11722: Central Islip, NY
ZIP code 11722 is in Central Islip, New York, entirely in Suffolk County (Census 2020 ZIP-county file). About 39,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $114,049 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Central Islip · its only residential ZIP
- County
- Suffolk County
- Census places
- Central Islip census-designated place
- Metro area
- New York-Newark-Jersey City, NY-NJ
- House district
- NY-2 119th Congress
- State
- New York
- Time zone
- Eastern
- Land area
- 7.0 sq mi · 5,602 people per sq mi
Where is ZIP code 11722?
11722 centers on 40.784°, -73.197° and covers 7.0 square miles of land. It borders 7 ZIP codes: 11749, 11752, 11788, 11717, 11716, 11751, 11779.
The map draws ZIP code areas only. For the streets inside 11722, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 11722 compare with the rest of Suffolk County?
| Measure | 11722 | In Suffolk County | In NY |
|---|---|---|---|
| People (ACS 2020-2024) | 39,033 | 7th of 108 | 146th of 1,826 |
| Median household income | $114k | 65th of 81 | 271st of 1,081 |
| Median home value | $437k | 82nd of 88 | 414th of 1,172 |
Its median household income is higher than in 88% of U.S. residential ZIP codes, and it is denser than 95% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 11722?
The 2020 Census counted 37,491 people in 11722; the ACS, which samples households over 2020-2024, estimates 39,033. Between the 2010 and 2020 censuses its population grew 6.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 39,033
- 2020 Census count
- 37,491+6.6% since 2010 (35,177)
- Households
- 9,660
- Median age
- 34.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 11722?
Of the 39,033 people the ACS estimates in 11722, 26.0% are under 18 and 11.4% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (63.0%), then Black (not Hispanic) (16.8%).
- Under 1826.0%
- 18 to 6462.6%
- 65 and older11.4%
- Hispanic or Latino63.0%
- Black, not Hispanic16.8%
- White, not Hispanic14.4%
- Other or two or more4.1%
- Asian, not Hispanic1.7%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 11722 earn?
Median household income is $114,049 (ACS 2020-2024), the 65th highest of the 81 ranked ZIP codes in Suffolk County. It rose from $92,050 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $114,049
- Income per person
- $33,630
- Below the poverty line
- 9.2%
- Unemployed (of the labor force)
- 6.1%
- Adults 25+ with a bachelor's degree
- 19.3%
- Adjusted gross income per tax return, 2022
- $52,58621,020 returns; wages 84% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 11722?
FHFA's house price index for 11722, built from repeat sales and appraisals of the same homes, rose 151% from 2015 to 2025 and rose 66% from 2020 to 2025, and moved +8.2% in 2025.
- Median home value (owners' estimate)
- $436,600
- Median gross rent
- $2,055
- Homes owned by their occupants
- 78.2%
- Housing units
- 10,791
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 11722?
607 business establishments had a location in this ZIP code in 2023, 61 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction117
- Retail trade77
- Other services (except public administration)71
- Professional, scientific, and technical services66
- Administrative and support and waste management and remediation services65
- Accommodation and food services51
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 11722?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 11749 | Islandia | 3,600 | $116k | 2.1 mi |
| 11752 | Islip Terrace | 9,204 | $152k | 2.1 mi |
| 11788 | Hauppauge | 17,374 | $150k | 2.5 mi |
| 11717 | Brentwood | – | – | 2.9 mi |
| 11716 | Bohemia | 9,659 | $129k | 3.3 mi |
| 11751 | Islip | 13,726 | $117k | 3.8 mi |
| 11779 | Ronkonkoma | 38,206 | $112k | 4.8 mi |
| 11730 | East Islip | 14,247 | $146k | 3.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.