Lake Grove is a village located in Suffolk County, New York. Lake Grove has a 2025 population of 11,126 . Lake Grove is currently growing at a rate of 0.15% annually and its population has increased by 0.79% since the most recent census, which recorded a population of 11,039 in 2020.
The average household income in Lake Grove is $148,803 with a poverty rate of 6.1%. The median age in Lake Grove is 42.1 years: 39.8 years for males, and 44.9 years for females. For every 100 females there are 108.9 males.
Data after 2023 is projected based on recent change
The racial composition of Lake Grove includes 72.68% White, 12.08% Asian, 5.15% other race, and smaller percentages for Black or African American, Native American and multiracial populations.
White (72.68%)
Asian (12.08%)
Two or more races (8.9%)
Other race (5.15%)
Black or African American (1.07%)
Native American (0.12%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,031 | 72.68% |
| Asian | 1,335 | 12.08% |
| Two or more races | 984 | 8.9% |
| Other race | 569 | 5.15% |
| Black or African American | 118 | 1.07% |
| Native American | 13 | 0.12% |
Married
Widowed
Divorced
Separated
Never Married
Lake Grove's average per capita income is $66,273. Household income levels show a median of $119,558. The poverty rate stands at 6.1%.
Name | Median | Mean |
|---|---|---|
| Married Families | $155,625 | - |
| Families | $142,095 | $168,665 |
| Households | $119,558 | $148,803 |
| Non Families | $45,781 | $81,286 |
Average Income
Median Household Income
Poverty Rate