Holtsville CDP, New York
Official LSAD Designation: Holtsville CDP • Census GEOID: 3635254
• Suffolk County
Holtsville 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), Holtsville CDP had an estimated population of 19,344 residents. Official Census Bureau geographic records classify this community under LSAD designation Holtsville CDP (GEOID 3635254).
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 | 19,344 | 2020-2024 |
| Median Household Income | $133,679 | 2020-2024 |
| Median Home Value | $520,600 | 2020-2024 |
| Land Area | 7.11 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).