Lake Grove, New York Demographics & Population 2026
During the 2020–2024 ACS period, Lake Grove, New York had a total population of 11,061, the 177th largest village in New York, with a median household income of $118,311, which is 38% higher than the state average. The poverty rate is 8.1%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- Household income is 38% above the state average — one of the wealthiest communities in New York.
Lake Grove Quick Facts
How Lake Grove Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 11,050 | 11,061 | +0.1% |
| Median household income | $119,558 | $118,311 | -1.0% |
| Median home value | $550,700 | $598,900 | +8.8% |
How Lake Grove Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 65 | National average: 61
Education
Educational Attainment (Adults 25+)
Lake Grove Rankings in New York
Explore New York Rankings
Other Cities in Suffolk County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| West Babylon | 43,570 | $129,519 | 5.9% | $531,900 |
| Coram | 39,539 | $105,220 | 7.5% | $452,100 |
| Central Islip | 38,373 | $113,707 | 9.2% | $436,400 |
| Commack | 36,558 | $169,792 | 4.2% | $678,200 |
| Huntington Station | 32,601 | $135,477 | 7.2% | $578,000 |
| Centereach | 31,839 | $132,240 | 5.3% | $514,800 |
| Bay Shore | 31,683 | $105,618 | 10.2% | $492,200 |
| Shirley | 28,375 | $112,788 | 6.5% | $424,900 |
| Deer Park | 27,990 | $137,105 | 3.4% | $543,500 |
| Lindenhurst | 27,142 | $130,128 | 5.7% | $521,500 |
Cities Similar to Lake Grove
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| De Witt | 11,060 | $123,864 | $297,600 | 63.1% | 8.5% |
| North Lindenhurst | 10,952 | $123,342 | $495,300 | 25.7% | 6.8% |
| Woodbury | 11,334 | $121,221 | $452,200 | 47.9% | 4.6% |
| Terryville | 10,794 | $110,389 | $481,200 | 28.9% | 11.0% |
| Myers Corner | 10,877 | $105,718 | $419,700 | 43.3% | 4.9% |
Population Overview
Lake Grove is a small city located in New York, within Suffolk County. The total population is 11,061. It ranks as the 177th most populous out of 1,289 Census-designated places in New York.
Age Demographics
The median age in Lake Grove is 40.1 years. This is about the same as the state median of 39.8 years.
Economy, Income & Housing
The median household income in Lake Grove is $118,311. This is 38% higher than the state median of $85,974. It is also 47% higher than the national median of $80,734. The poverty rate stands at 8.1%. This is 42% lower than the state poverty rate of 14.0%. The unemployment rate is 5.2%. This is 19% lower than the state rate of 6.4%. The median home value is $598,900. Housing costs are 41% higher than the state median of $423,800. The home-value-to-income ratio is 5.1x. 77.3% of occupied housing units are owner-occupied. This homeownership rate is 42% higher than the state average of 54.4%.
Race & Ethnicity
The largest racial or ethnic group in Lake Grove is White (non-Hispanic), making up 71.4% of the population. Hispanic or Latino residents account for 11.7%. The Black or African American population (1.4%) is well below the state average of 13.4%.
Education
43.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 7% higher than the state rate of 40.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 94.6%. Notably, 18.8% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Lake Grove, New York is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against New York state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 1,289 Census-designated places in New York. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Lake Grove, New York?
Lake Grove, New York has a population of 11,061 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Lake Grove, NY?
The median household income in Lake Grove is $118,311, which is 47% higher than the national median of $80,734.
What is the poverty rate in Lake Grove, NY?
The poverty rate in Lake Grove is 8.1%. This means approximately 885 residents live below the federal poverty line.
What is the racial makeup of Lake Grove, New York?
Lake Grove's population is 71.4% White, 1.4% Black, 11.7% Hispanic/Latino, and 11.0% Asian.
What is the median home value in Lake Grove, NY?
The median home value in Lake Grove is $598,900. The home-value-to-income ratio is 5.1x.
How educated is Lake Grove, New York?
43.2% of adults (25+) in Lake Grove hold a bachelor's degree or higher, and 18.8% hold a graduate or professional degree.