Holtsville CDP, New York
Official LSAD Designation: Holtsville CDP • Census GEOID: 3635254
• Suffolk County
Demographics & Population Profile
Population and demographics for Holtsville CDP.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population | 19,344 | ±1,147 | 2020-2024 | Census ACS 5-Year 2024 |
| Median Age | 38.9 yrs | ±1.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 6,480 | ±411 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).