| Place Name | Lake Grove |
| Place Type | Village |
| ZIP Code(s) | 11755 |
| County | Suffolk County |
| Area Code(s) | 631,934 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 11,125 |
| Population Growth Rate (2010-19) | -0.82% |
| Majority Ethnicity | White 75.4% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New York 1st |
| State Assembly Districts | 5 |
| State Senate Districts | 2 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 75.4% |
| African American | 2.04% |
| Hispanic | 0% |
| Asian | 9.06% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 13.49% |