PlainZIP

Farmingville, NY · standard

ZIP Code 11738

Suffolk County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

17,638
1,277/sq mi
$140,121
Median income
$484,700
Median home value
31.7%
Bachelor's or higher

The verdict

Farmingville pairs a top-decile household income with upper-quartile home values, in a low-density, homeowner-dominated area.

Top 5%
household income, US ZIPs
Top 14%
home value, US ZIPs
1,277
people per sq mi
78%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 11738 against every reporting US ZIP.

ZIP code 11738 is a mid-sized community (a standard USPS delivery area) in Farmingville, Suffolk County, New York, home to 17,638 residents across 13.8 square miles, a density of 1,277 people per square mile, in the New York time zone.

ZIP 11738 skews affluent, with a median household income of $140,121 (52% above the New York average), while per-capita income is $43,201. 7.1% of residents live below the poverty line, and the unemployment rate reads 4.1%. Housing costs here run $484,700 for a typical home value (28% above the state average), with rent averaging $2,903 a month; 77.9% of homes are owner-occupied.

A solid share of residents have a four-year degree: 31.7% of adults hold a bachelor's degree or higher, the median age is 34.4, and the average commute is 33 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 11738, plus 6 more within Suffolk County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 11738

Top 5 sectors by establishment count in Farmingville, NY

Which industries have the most business establishments in ZIP 11738.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 11738, Farmingville, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

17,638

Population

13.8

Area (sq mi)

1,277

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 11738?

34.4

Median Age

54.7%

Male

45.3%

Female

14.5%

Foreign-Born

White 63.9%
African American 12.0%
Asian 4.5%
American Indian or Alaska Native 1.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 10.2%
Hispanic or Latino 22.3%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$140,121

Median Household Income

+52% vs state

$43,201

Per Capita Income

7.1%

Poverty Rate

4.1%

Unemployment Rate

32.5 min

Mean Commute Time

How ZIP 11738 ranks nationally

Farmingville, NY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$140,121 Top 5% higher than 95% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). This entry sits in this band. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 61.7%
Bachelor's Degree or Higher 31.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

5,549

Total Housing Units

5,105

Occupied Units

444

Vacant Units

3.67

Avg Household Size

Occupancy Type

Owner 77.9%
Renter 22.1%

$484,700

Median Home Value

+28% vs state

$2,903

Median Rent

1973

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+5.7%

YoY Change (2024)

314

HPI Index (2000 = 100)

+214%

Total Change Since 2000

Home values in ZIP 11738 have increased 5.7% over the past year (2024). Since 2000, this ZIP has seen +214% cumulative appreciation.

Year Annual Change HPI Index
2020 +4.0% 209
2021 +11.5% 233
2022 +15.0% 268
2023 +11.0% 297
2024 +5.7% 314

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 372 business establishments in ZIP 11738, employing approximately 3,566 people with a combined annual payroll of $165,688,000.

372

Businesses

3,566

Employees

$165.7M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Construction 82 22.0%
Accommodation and food services 48 12.9%
Retail trade 43 11.6%
Other services (except public administration) 42 11.3%
Professional, scientific, and technical services 32 8.6%
Health care and social assistance 27 7.3%
Administrative and support and waste management and remediation services 24 6.5%
Finance and insurance 20 5.4%
Transportation and warehousing 13 3.5%
Real estate and rental and leasing 13 3.5%
Wholesale trade 11 3.0%
Manufacturing 7 1.9%
Arts, entertainment, and recreation 5 1.3%
Information 4 1.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 11738 vs 11742 →

ZIP 11738 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 11738 ranks #8 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 11738 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 11738 ranks #3 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
11742 Holtsville, NY 13,261 2.0 mi
11784 Selden, NY 24,655 2.1 mi
11763 Medford, NY 28,506 3.0 mi
11741 Holbrook, NY 27,655 3.4 mi
11720 Centereach, NY 29,189 3.2 mi
11727 Coram, NY 29,030 3.5 mi
11776 Port Jefferson Station, NY 24,235 5.2 mi
11715 Blue Point, NY 4,752 6.1 mi
11755 Lake Grove, NY 12,387 4.4 mi
11779 Ronkonkoma, NY 38,421 4.4 mi

More ZIP Codes in Suffolk County

11746 standard
Huntington Station, NY
Pop: 67,094
11706 standard
Bay Shore, NY
Pop: 62,543
11717 standard
Brentwood, NY
Pop: 60,745
11757 standard
Lindenhurst, NY
Pop: 45,700
11772 standard
Patchogue, NY
Pop: 44,837
11743 standard
Huntington, NY
Pop: 42,230

Related Areas

Suffolk County Farmingville, NY New York

Frequently Asked Questions

What county is ZIP code 11738 in? ▼
ZIP code 11738 (Farmingville) is located in Suffolk County, New York. Suffolk County contains multiple ZIP codes, see the full list at /counties/suffolk-ny.
What is the population of ZIP code 11738? ▼
ZIP code 11738 in Farmingville, NY has a population of 17,638 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 11738? ▼
The median household income in ZIP 11738 is $140,121, which is 84% above the national average of $76,288.
What is the average home value in ZIP 11738? ▼
The median home value in ZIP 11738 is $484,700, which is 74% above the national average of $278,155.
What is the demographic makeup of ZIP 11738? ▼
The largest racial group in ZIP 11738 is White at 63.9%. Hispanic or Latino residents make up 22.3% of the population.
How many businesses are in ZIP code 11738? ▼
ZIP code 11738 has 372 business establishments employing approximately 3,566 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 11738? ▼
The top industries by establishment count in ZIP 11738 are: Construction (82), Accommodation and food services (48), Retail trade (43). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 11738? ▼
According to the FHFA House Price Index, home values in ZIP 11738 increased by 5.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 214%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 11738? ▼
In ZIP code 11738, 61.7% of residents aged 25+ have a high school diploma or higher, and 31.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 11738? ▼
The mean commute time for workers in ZIP code 11738 is 32.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 11738? ▼
In ZIP code 11738, approximately 77.9% of occupied housing units are owner-occupied and 22.1% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 11738? ▼
The poverty rate in ZIP code 11738 is 7.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.