The Town FilesGreenlawn, New York
Community in Suffolk County · population 13,661 (2020 Census)
- Median home
- $630,800
- Household income
- $164,427
- Jan low / Jul high
- 25° / 83°
- Snow a year
- 27 in
- Tornadoes ≤10 mi since 1950
- 2
- Median age
- 37.8
Greenlawn is a community of 13,661 people in Suffolk County, New York. The median home is worth $630,800, above the typical New York town ($217,700). It ranks better for families than 94% of New York towns, more of a college town than 91% of New York towns, more walkable than 88% of New York towns.
How Greenlawn 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 Greenlawn is worth $630,800, above the typical New York town ($217,700). Homes cost about 3.8 times the median household income of $164,427, which is more affordable than 29% of New York towns. 83.0% of households own their home.
| Housing | Greenlawn | Typical New York town |
|---|---|---|
| Median home value | $630,800 | $217,700 |
| Median rent | — | $1,080 |
| Median household income | $164,427 | $80,740 |
| Home value ÷ income | 3.8× | 2.8× |
| Homeownership | 83.0% | 79.5% |
| Median year built | 1963 | 1965 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in Greenlawn
| People | Greenlawn | Typical New York town |
|---|---|---|
| Median age | 37.8 | 43.5 |
| Age 65 and over | 16.5% | 20.4% |
| Under 18 | 25.8% | — |
| Bachelor's degree or higher | 45.1% | 30.4% |
| Below the poverty line | 6.3% | 9.3% |
| Veterans | 2.5% | — |
| Born outside the U.S. | 14.7% | — |
| Work from home | 16.2% | 11.1% |
| Average commute | 35.5 min | 26.0 min |
| Homes with broadband | 90.7% | 91.1% |
Weather in Greenlawn
July highs average 83.2°F and January lows 24.5°F. About 48.5 inches of rain and melted snow fall a year, with 27.2 inches of snow (typical New York town: 62.9 in). Expect about 11 days a year at 90°F or hotter and 88 nights at or below freezing.
Tornadoes, storms and disasters
2 tornadoes have passed within 10 miles of Greenlawn since 1950, compared with 5 for the typical New York town. The strongest, an EF0, struck on August 28, 2011 about 7.9 miles from the town center. The most recent was on August 28, 2011.
Hail of 1 inch or larger has been reported within 10 miles 8 times; the largest was 1.50 inches on July 21, 2022.
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 Greenlawn itself the ACS puts it at 2.1%.
Public schools in Greenlawn
3 public schools with 2,138 students, about 10.9 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| HARBORFIELDS HIGH SCHOOL | 9-12 | 928 | 11.0 |
| OLDFIELD MIDDLE SCHOOL | 6-8 | 629 | 10.8 |
| THOMAS J LAHEY ELEMENTARY SCHOOL | 3-5 | 581 | 10.8 |
Towns near Greenlawn
- Huntington, NY1.5 mi · 204,127 people · home $715,600
- Elwood, NY1.8 mi · 11,426 people · home $689,500
- Huntington, NY2.2 mi · 19,645 people · home $767,000
- Huntington Station, NY2.4 mi · 34,878 people · home $578,000
- East Northport, NY2.5 mi · 20,048 people · home $623,800
- Centerport, NY2.7 mi · 5,822 people · home $740,200
- Halesite, NY2.9 mi · 2,527 people · home $851,600
- Northport, NY3.0 mi · 7,347 people · home $745,300
Greenlawn questions
Is Greenlawn, New York a good place to retire?
On The Town Files lifestyle rankings, Greenlawn scores better for retirees than 34% of New York towns and quieter than 13%. 16.5% of residents are 65 or older (median age 37.8).
How much does a house cost in Greenlawn?
The median owner-occupied home in Greenlawn is valued at $630,800 (Census ACS 2020–2024), against a median household income of $164,427, so homes cost about 3.8 times income. Median rent is — a month.
What is the weather like in Greenlawn?
July highs average 83.2°F and January lows 24.5°F (NOAA 1991–2020 normals). It gets about 48.5 inches of precipitation a year and 27.2 inches of snow.
Does Greenlawn get tornadoes?
2 tornadoes have passed within 10 miles of Greenlawn since 1950 (NOAA Storm Events); the strongest was an EF0 on August 28, 2011. 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)