Central Islip, New York.
Typical home $586,896 (+6.9% in a year), asking rent $2,876 . New York-Newark-Jersey City, NY-NJ-PA metro.
to buy the typical home at today's mortgage rate — +$1,655 (+116%) since Jan 2020.
- 1 year
- Up $38,137 +7%
- $548,759$586,896 since Sep 2025
- 5 years
- Up $124,899 +27%
- $461,997$586,896 since Sep 2021
Monthly payment to buy the typical home
Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.
- Central Islip$3,080
- New York$2,755
- United States$1,922
At the last five years' pace, a typical home here doubles in price every 14 years.
Typical home values in Central Islip, NY rose 6.9% over the past year — faster than the nation's +1.2%.
Living in Central Islip, Suffolk County, New York
Central Islip, in Suffolk County, had 36,714 people in the 2020 census. Half its households earn more than $113,707 a year and half less, against $130,686 across Suffolk County; 9% of its people live below the poverty line. 78% of its homes are lived in by their owners and 22% are rented. Unemployment in Suffolk County was 4.1% in August 2026, and the county had 1.5% more jobs in 2025 than the year before. The most residents work in schools and health care, then professional services.
Written by AI Claude Sonnet 5.5 wrote this on 24 October 2026 from the figures here, a list of nearby places and what it knows. It can be wrong or out of date.
What it’s like
The place. Central Islip is a community on Long Island's south side, home to a younger population than many of its neighbors. Most homes here are lived in by their owners, though household incomes run below the county's, and the typical home and typical rent both sit at levels that take real money to meet. Winters are cold and snowy, with January the coldest month, while summers turn warm in July, and the year brings a fair amount of rain and melted snow.
Work. Many residents work in schools, hospitals and social care, with others in professional and business services, shops and manufacturing. Among the biggest workplaces in town are the Central Islip Union Free School District, Ascent Pharmaceuticals and Target. Commutes are of a middling length, and few people work from home.
Things to do. Heckscher State Park and Connetquot River State Park Preserve are both protected areas a short drive away, good for walking and time outdoors. For a museum, the Long Island Museum of American Art, History, and Carriages is also a short drive away. Fire Island National Seashore is a longer drive, for a day at the shore.
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- 9,545households
- 19%of adults have a degree
- 9%below the poverty line
- 27 mintypical commute
- 7%work from home
What residents work in
Employed residents by industry, from the Census survey. Suffolk County had 689,858 jobs in 2025, 1.5% more than the year before (Bureau of Labor Statistics).
Weather through the year
Coldest in January, with highs near 39° and lows near 25°; warmest in July, with highs near 83° and lows near 67°. About 32 inches of snow and 46 inches of rain and melted snow a year.
Average daily high and low, 1991–2020, at the Islip Li Macarthur Airport weather station, 5 miles away (NOAA).
Largest workplaces in Central Islip
- Central Islip Union Free School DistrictSchool district1,432FTE
- Ascent PharmaceuticalsPharmaceutical preparations manufacturing275
- TargetDiscount department stores215
- CintasIndustrial launderers159
- Alphamed BottlesBottles, plastics, manufacturing89
- CorvelManagement services67
- Barnwell House of TiresTire dealers, automotive64
- Central IslipMail and parcel delivery46
Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 8 workplaces with 20 or more staff, 945 people in all. School districts come from the Common Core of Data (NCES, 2023–24); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.
Natural hazards
- Winter weatherRelatively moderate
- Cold wavesRelatively moderate
FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Central Islip’s census tracts, against the rest of the country; all of them together, very low. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.
From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Suffolk County and the New York-Newark-Jersey City, NY-NJ-PA metro.
Central Islip home values
Zillow measures a city over its municipal boundary. Against the state and national figures, mid-tier homes, smoothed and seasonally adjusted.
- Central Islip$586,896
- New York$524,942
- United States$366,157
Sellers are cutting prices on about 1 in 11 Central Islip listings — the market is heating up.
When this market ran hot
Each cell is that month's year-on-year home-value growth. Read left to right, top row is the latest year — the 2021–22 band is the boom.
Market heat, inside the city limits
Share of listings with a price cut
The early-warning dial: sellers cut when buyers stop reaching. Rising cuts cool a market months before prices notice.
- Central Islip8.86%
- United States26.90%
Homes for sale
Active for-sale inventory. More supply hands power to buyers.
- Central Islip60
New listings per month
Sellers arriving at the market.
- Central Islip20
Zip codes with a Central Islip address
A different geography, not a breakdown. The figure above covers the municipality; these zips cover everywhere the Post Office calls Central Islip — often including townships beyond the city limits. Both come straight from Zillow, and they are not expected to average out.