Zip Code 11738
Farmingville, New York — Suffolk County
📍 ZIP code 11738 is in Farmingville, Suffolk County, New York.
ZIP code 11738 is located in Farmingville, Suffolk County, New York. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 20,246. The area code for ZIP code 11738 is 631.
Quick Answer
Zip code 11738 is in Farmingville, New York (Suffolk County). It has a population of 20,246, median household income of $139,008, and median home value of $455,000.
Population
20,246
Income
$139,008
Home Value
$455,000
Climate
83°F / 25°F
About Zip Code 11738
Zip code 11738 is located in Farmingville, New York, within Suffolk County. Home to approximately 20,246 residents, this area sits at an elevation of 254 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 631.
The median household income is $139,008 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $455,000, and the cost of living index is 161 (61% 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 5.3 square miles of land area.
Key Statistics
20,246
$139,008
$455,000
Eastern (EST/EDT)
631
254 ft
5.3 sq mi
35.1
5,888
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Compare With Nearby Zip Codes
| Metric | 11738 | 11742 | 11784 | 11763 | 11720 | 11741 |
|---|---|---|---|---|---|---|
| City | Farmingville, NY | Holbrook, NY | Selden, NY | Medford, NY | Centereach, NY | Holbrook, NY |
| Population | 20,246 | 13,194 | 25,986 | 30,235 | 28,669 | 26,356 |
| Median Income | $139,008 | $126,563 | $105,268 | $119,286 | $128,015 | $138,417 |
| Home Value | $455,000 | $475,600 | $435,600 | $435,200 | $471,600 | $504,000 |
| Cost of Living | 161 | 164 | 145 | 147 | 160 | 176 |
| Median Age | 35.1 | 40 | 38.2 | 39.2 | 38.9 | 40.6 |
Cost of Living
100 = National Average. Farmingville's cost of living is 61% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
3.3x
Demographics
Zip code 11738 has a population of 20,246 people with a median age of 35.1. There are 5,888 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Farmingville (11738) population trend from 2010 to 2024
↓ -35.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
83°F
25°F
46 in
32 in
Farmingville 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
$455,000
Median Household Income
$139,008
With 5,888 housing units across 5.3 square miles, 11738 has a housing density of 1,111 units per square mile. The home price-to-income ratio is 3.3x.
Location & Geography
Latitude
40.8382°
Longitude
-73.0382°
Land Area
5.3 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 11738 (Farmingville, 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 11738's $139,008. A way to compare Farmingville 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 11738 (Farmingville, 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 Farmingville, New York?
Farmingville, New York uses zip code 11738.
What county is zip code 11738 in?
Zip code 11738 is located in Suffolk County, New York.
What is the population of zip code 11738?
The population of zip code 11738 is 20,246 with a median age of 35.1.
Is 11738 in Farmingville, New York?
Yes, zip code 11738 is in Farmingville, Suffolk County, New York. The area code is 631.
Frequently Asked Questions
What city is zip code 11738 in?
Zip code 11738 is in Farmingville, New York. It is part of Suffolk County and uses the Eastern (EST/EDT) timezone.
What is zip code 11738?
Zip code 11738 is a U.S. postal code in Farmingville, New York (Suffolk County). It has a population of 20,246 and covers 5.3 square miles.
What is the population of zip code 11738?
The population of zip code 11738 (Farmingville, NY) is 20,246 with a median age of 35.1. There are approximately 5,888 housing units in this area.
What is the median income in zip code 11738?
The median household income in zip code 11738 (Farmingville, NY) is $139,008 per year. The cost of living index is 161 (100 = national average).
What is the average home price in zip code 11738?
The median home value in zip code 11738 (Farmingville, NY) is $455,000. The cost of living index is 161 compared to the national average of 100.
What county is zip code 11738 in?
Zip code 11738 is located in Suffolk County, New York. The primary city is Farmingville.
What is the area code for zip code 11738?
Zip code 11738 in Farmingville, NY uses area code 631. It is located in the Eastern (EST/EDT) timezone.
Is zip code 11738 a good place to live?
Zip code 11738 (Farmingville, NY) has a cost of living index of 161 (100 = national average), a median household income of $139,008, and median home values of $455,000. The median age is 35.1. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 11738?
The cost of living index for zip code 11738 (Farmingville, NY) is 161, where 100 represents the national average. This area is above the national average. Median home value: $455,000.
What schools serve zip code 11738?
Zip code 11738 in Farmingville, 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.