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 High-density area
- $140,121
- Median income Above-median income area
- $484,700
- Median home value Above-median home value
- 31.7%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 11738 (Farmingville, NY) rose +5.7% from 2023 to 2024. The all-transactions index moved from 297.4 in 2023 to 314.3 in 2024 (2000 = 100).
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 average New York ZIP), while per-capita income is $43,201. The poverty rate is 7.1%, with unemployment at 4.1%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $484,700 (28% above the average New York ZIP), while 77.9% of occupied homes are owner-occupied and median rent is $2,903.
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. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Suffolk County, so 11738 can be compared with both its immediate and county-level context.
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.
- Construction
Construction
82 establishments
- Accommodation and food services
Accommodation and food services
48 establishments
- Retail trade
Retail trade
43 establishments
- Other services (except public administration)
Other services (except public administration)
42 establishments
- Professional, scientific, and technical services 32
Professional, scientific, and technical services
32 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, 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
Who lives in ZIP 11738?
34.4
Median Age
54.7%
Male
45.3%
Female
14.5%
Foreign-Born
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 ZIP avg
$43,201
Per Capita Income
7.1%
Poverty Rate
4.1%
Unemployment Rate
32.5 min
Mean Commute Time
How ZIP 11738 ranks among New York ZIPs
Farmingville, NY household income vs. every New York ZIP code
Median household income among 1,626 reporting New York ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$140,121 Top 12% higher than 88% of 1,626 New York ZIPs
Each bar is a $20K-wide band; taller bars hold more New York 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
5,549housing units
5,549
Total Housing Units
5,105
Occupied Units
444
Vacant Units
3.67
Avg Household Size
Occupancy Type
$484,700
Median Home Value
+28% vs state ZIP avg
$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.
- 11779
Ronkonkoma (11779)
38,421 residents
- 11720
Centereach (11720)
29,189 residents
- 11727
Coram (11727)
29,030 residents
- 11763
Medford (11763)
28,506 residents
- 11741
Holbrook (11741)
27,655 residents
- 11784
Selden (11784)
24,655 residents
- 11776
Port Jefferson Station (11776)
24,235 residents
- 11738
Farmingville (11738)
17,638 residents
- 11742 13,261
Holtsville (11742)
13,261 residents
What this shows Among its immediate neighbors, ZIP 11738 ranks #8 by population - useful context the national average alone can't give.
ZIP 11738 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 11715
Blue Point (11715)
$163,125 median income
- 11741
Holbrook (11741)
$144,346 median income
- 11738
Farmingville (11738)
$140,121 median income
- 11720
Centereach (11720)
$134,898 median income
- 11742
Holtsville (11742)
$125,162 median income
- 11763
Medford (11763)
$120,783 median income
- 11776
Port Jefferson Station (11776)
$120,573 median income
- 11755
Lake Grove (11755)
$119,364 median income
- 11779
Ronkonkoma (11779)
$112,180 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 11738, both outside NY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (17,638 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Suffolk County
Related Areas
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.
Related
Take this with you
What to do with ZIP 11738's numbers, next.
- See how ZIP 11738 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Farmingville, NY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.