Zip Code 11722
Central Islip, New York — Suffolk County
📍 ZIP code 11722 is in Central Islip, Suffolk County, New York.
ZIP code 11722 is located in Central Islip, Suffolk County, New York. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 38,443. The area code for ZIP code 11722 is 631.
Quick Answer
Zip code 11722 is in Central Islip, New York (Suffolk County). It has a population of 38,443, median household income of $110,365, and median home value of $407,100.
Population
38,443
Income
$110,365
Home Value
$407,100
Climate
83°F / 25°F
About Zip Code 11722
Zip code 11722 is located in Central Islip, New York, within Suffolk County. Home to approximately 38,443 residents, this area sits at an elevation of 63 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 631.
The median household income is $110,365 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $407,100, and the cost of living index is 132 (32% above the national average of 100).
Summers average a high of 83°F while winters drop to 25°F. The area receives about 46 in of rain and 32 in of snow annually. The zip code covers 7.3 square miles of land area.
Key Statistics
38,443
$110,365
$407,100
Eastern (EST/EDT)
631
63 ft
7.3 sq mi
34.1
10,824
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Compare With Nearby Zip Codes
| Metric | 11722 | 11752 | 11788 | 11717 | 11716 | 11751 |
|---|---|---|---|---|---|---|
| City | Central Islip, NY | Islip Terrace, NY | Hauppauge, NY | Brentwood, NY | Bohemia, NY | Islip, NY |
| Population | 38,443 | 8,990 | 17,092 | 64,969 | 9,750 | 13,152 |
| Median Income | $110,365 | $148,538 | $148,946 | $111,425 | $120,344 | $116,328 |
| Home Value | $407,100 | $482,300 | $635,700 | $416,200 | $508,500 | $501,900 |
| Cost of Living | 132 | 177 | 207 | 149 | 162 | 161 |
| Median Age | 34.1 | 43.7 | 42.6 | 36.1 | 42.6 | 46.6 |
Cost of Living
100 = National Average. Central Islip's cost of living is 32% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.7x
Demographics
Zip code 11722 has a population of 38,443 people with a median age of 34.1. There are 10,824 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Central Islip (11722) population trend from 2010 to 2024
↑ 55.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
83°F
25°F
46 in
32 in
Central Islip experiences warm summers with average highs around 83°F. Winters are cool with lows averaging 25°F. With 32 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$407,100
Median Household Income
$110,365
With 10,824 housing units across 7.3 square miles, 11722 has a housing density of 1,483 units per square mile. The home price-to-income ratio is 3.7x.
Location & Geography
Latitude
40.7831°
Longitude
-73.1949°
Land Area
7.3 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 11722 (Central Islip, NY) with distances:
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ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 11722's $110,365. A way to compare Central Islip to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 11722 (Central Islip, NY). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Central Islip, New York?
Central Islip, New York uses zip code 11722.
What county is zip code 11722 in?
Zip code 11722 is located in Suffolk County, New York.
What is the population of zip code 11722?
The population of zip code 11722 is 38,443 with a median age of 34.1.
Is 11722 in Central Islip, New York?
Yes, zip code 11722 is in Central Islip, Suffolk County, New York. The area code is 631.
Frequently Asked Questions
What city is zip code 11722 in?
Zip code 11722 is in Central Islip, New York. It is part of Suffolk County and uses the Eastern (EST/EDT) timezone.
What is zip code 11722?
Zip code 11722 is a U.S. postal code in Central Islip, New York (Suffolk County). It has a population of 38,443 and covers 7.3 square miles.
What is the population of zip code 11722?
The population of zip code 11722 (Central Islip, NY) is 38,443 with a median age of 34.1. There are approximately 10,824 housing units in this area.
What is the median income in zip code 11722?
The median household income in zip code 11722 (Central Islip, NY) is $110,365 per year. The cost of living index is 132 (100 = national average).
What is the average home price in zip code 11722?
The median home value in zip code 11722 (Central Islip, NY) is $407,100. The cost of living index is 132 compared to the national average of 100.
What county is zip code 11722 in?
Zip code 11722 is located in Suffolk County, New York. The primary city is Central Islip.
What is the area code for zip code 11722?
Zip code 11722 in Central Islip, NY uses area code 631. It is located in the Eastern (EST/EDT) timezone.
Is zip code 11722 a good place to live?
Zip code 11722 (Central Islip, NY) has a cost of living index of 132 (100 = national average), a median household income of $110,365, and median home values of $407,100. The median age is 34.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 11722?
The cost of living index for zip code 11722 (Central Islip, NY) is 132, where 100 represents the national average. This area is above the national average. Median home value: $407,100.
What schools serve zip code 11722?
Zip code 11722 in Central Islip, New York is served by the local school district of Suffolk County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.