The Town FilesLake Grove, New York
Village in Suffolk County · population 11,072 (2020 Census)
- Median home
- $598,900
- Household income
- $118,311
- Jan low / Jul high
- 25° / 83°
- Snow a year
- 32 in
- Tornadoes ≤10 mi since 1950
- 6
- Median age
- 40.1
Lake Grove is a village of 11,072 people in Suffolk County, New York. The median home is worth $598,900, above the typical New York town ($217,700). It ranks more of a college town than 97% of New York towns, more vibrant than 91% of New York towns, better for first-time buyers than 87% of New York towns.
How Lake Grove ranks
Percentile among New York towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of New York towns.
Homes and cost of living
The median home in Lake Grove is worth $598,900, above the typical New York town ($217,700). Homes cost about 5.1 times the median household income of $118,311, which is more affordable than 11% of New York towns. Median rent is $2,184 a month. 77.3% of households own their home.
| Housing | Lake Grove | Typical New York town |
|---|---|---|
| Median home value | $598,900 | $217,700 |
| Median rent | $2,184 | $1,080 |
| Median household income | $118,311 | $80,740 |
| Home value ÷ income | 5.1× | 2.8× |
| Homeownership | 77.3% | 79.5% |
| Median year built | 1970 | 1965 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Lake Grove
| People | Lake Grove | Typical New York town |
|---|---|---|
| Median age | 40.1 | 43.5 |
| Age 65 and over | 17.6% | 20.4% |
| Under 18 | 22.5% | — |
| Bachelor's degree or higher | 43.2% | 30.4% |
| Below the poverty line | 8.1% | 9.3% |
| Veterans | 2.8% | — |
| Born outside the U.S. | 15.1% | — |
| Work from home | 11.7% | 11.1% |
| Average commute | 38.7 min | 26.0 min |
| Homes with broadband | 96.4% | 91.1% |
Weather in Lake Grove
July highs average 82.8°F and January lows 24.6°F. About 46.0 inches of rain and melted snow fall a year, with 31.8 inches of snow (typical New York town: 62.9 in). Expect about 8 days a year at 90°F or hotter and 98 nights at or below freezing.
Tornadoes, storms and disasters
6 tornadoes have passed within 10 miles of Lake Grove since 1950, compared with 5 for the typical New York town. The strongest, an EF1, struck on July 18, 2007 about 8.6 miles from the town center. The most recent was on October 2, 2018.
Hail of 1 inch or larger has been reported within 10 miles 24 times; the largest was 2.00 inches on May 24, 2004.
Severe weather in Suffolk County since 1996
Suffolk County has been included in 36 federal disaster or emergency declarations since 1953, most often for fire, flood, other.
| Declared | Incident | Declaration |
|---|---|---|
| October 21, 2024 | Severe Storm | DR-4839: Severe Storm And Flooding |
| August 25, 2024 | Severe Storm | EM-3613: Severe Storm And Flooding |
| March 15, 2023 | Snowstorm | DR-4694: Severe Winter Storm And Snowstorm |
| September 5, 2021 | Hurricane | DR-4615: Remnants Of Hurricane Ida |
| September 2, 2021 | Hurricane | EM-3572: Remnants Of Hurricane Ida |
Jobs and pay in Suffolk County
Suffolk County had 679,594 jobs in 2024, paying an average of $79,121 a year. Unemployment was 3.4% in 2023; in Lake Grove itself the ACS puts it at 5.2%.
Public schools in Lake Grove
3 public schools with 1,285 students, about 12.0 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| CAYUGA SCHOOL | K-5 | 505 | 12.0 |
| WENONAH SCHOOL | K-5 | 473 | 10.8 |
| EUGENE AUER MEMORIAL SCHOOL | 1-5 | 307 | 14.6 |
Towns near Lake Grove
- Lake Ronkonkoma, NY1.9 mi · 18,619 people · home $525,000
- Centereach, NY1.9 mi · 30,980 people · home $514,800
- Nesconset, NY2.0 mi · 13,207 people · home $639,500
- St. James, NY2.2 mi · 13,487 people · home $652,700
- Stony Brook, NY3.5 mi · 13,467 people · home $623,300
- Stony Brook University, NY3.6 mi · 10,409 people · home —
- Ronkonkoma, NY3.8 mi · 18,955 people · home $489,100
- Selden, NY3.8 mi · 21,262 people · home $462,000
Lake Grove questions
Is Lake Grove, New York a good place to retire?
On The Town Files lifestyle rankings, Lake Grove scores better for retirees than 27% of New York towns and quieter than 9%. 17.6% of residents are 65 or older (median age 40.1).
How much does a house cost in Lake Grove?
The median owner-occupied home in Lake Grove is valued at $598,900 (Census ACS 2020–2024), against a median household income of $118,311, so homes cost about 5.1 times income. Median rent is $2,184 a month.
What is the weather like in Lake Grove?
July highs average 82.8°F and January lows 24.6°F (NOAA 1991–2020 normals). It gets about 46.0 inches of precipitation a year and 31.8 inches of snow.
Does Lake Grove get tornadoes?
6 tornadoes have passed within 10 miles of Lake Grove since 1950 (NOAA Storm Events); the strongest was an EF1 on July 18, 2007. The typical New York town has had 5.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)