| Place Name | Cold Spring Harbor |
| Place Type | Census Designated Place |
| ZIP Code(s) | 11724 |
| County | Suffolk County |
| Area Code(s) | 631,934 |
| Timezone | Eastern Standard Time (EST) |
| Population (2022) | 5,009 |
| Population Growth Rate (2010-19) | -39.57% |
| Majority Ethnicity | White 91.33% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New York 3rd |
| State Assembly Districts | 10 |
| State Senate Districts | 5 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 91.33% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 3.65% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 5.03% |