Central Islip CDP, New York
Official LSAD Designation: Central Islip CDP • Census GEOID: 3613552
• Suffolk County
Central Islip CDP is a census designated place (CDP), a statistical geography in Suffolk County, New York. According to official records from the Census ACS 5-Year 2024 (2020-2024), Central Islip CDP had an estimated population of 38,373 residents. Official Census Bureau geographic records classify this community under LSAD designation Central Islip CDP (GEOID 3613552).
Local Government Administration U.S. Census Bureau GMAF
County Of Suffolk
County
Official Title:
Municipal Law Bureau Chief
Address:
PO BOX 6100, HAUPPAUGE NY 11788-0099
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 38,373 | 2020-2024 |
| Median Household Income | $113,707 | 2020-2024 |
| Median Home Value | $436,400 | 2020-2024 |
| Land Area | 7.15 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).