| Place Name | Lake Success |
| Place Type | Village |
| ZIP Code(s) | 11020 11021 11030 11042 11362 |
| County | Nassau County |
| Area Code(s) | 516 |
| Timezone | Eastern Daylight Time (EDT) |
| Population (2022) | 2,942 |
| Population Growth Rate (2010-19) | -3.61% |
| Majority Ethnicity | Asian 46.26% |
| Metro/Micro Stats Area | New York-Newark-Jersey City, NY-NJ-PA |
| US Congressional District(s) | New York 3rd |
| State Assembly Districts | 16 |
| State Senate Districts | 7 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 42.86% |
| African American | 5.77% |
| Hispanic | 0.14% |
| Asian | 46.26% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.97% |