US ZIP Code
11731

East Northport, NY

Suffolk County  ·  New York

● Active
👥 29,891 Population ↓ 2% since 2019
💰 $158,819 Median HH Income
▲ 108% above avg ↑ 32% since 2019
🎂 46.5 Median Age ↑ 3% since 2019
🏠 $622,100 Median Home Value
▲ 123% above avg ↑ 28% since 2019
🎓 60.3% College Grads
▲ 56% above avg
📊 3.3% Unemployment
▼ 33% below avg ↑ 2% since 2019
ZIP Code Details
ZIP Code11731
CityEast Northport
StateNew York (NY)
CountySuffolk County
Area Code631/934
Elevation187 ft
Latitude40.862614
Longitude-73.31704
TimezoneNew York (DST)
FIPS36103
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 49.4% (14,766) Female 50.6% (15,125) ♀

Race & Ethnicity

White: 81.7%Hispanic: 8.4%Black: 2.1%Asian: 4%Other: 3.1%Race
White81.7%
Hispanic8.4%
Black2.1%
Asian4.0%
Other3.1%

Age Breakdown

Under 5
6%
5–17
14%
18–24
8%
25–44
20%
45–64
34%
65+
7%

Key Indicators

Median Age46.5 yrs ↑ 3% since 2019
Avg Household Size2.77
Below Poverty4.4% ▼ 56% below avg
College Grads60.3% ▲ 56% above avg
Unemployment3.3% ▼ 33% below avg
No HS Diploma298 (1.4%)
HS Graduate4,194 (20.3%)
Some College1,896 (9.2%)
Associates1,807 (8.8%)
Bachelors1,984 (9.6%)
Graduate Degree10,445 (50.6%)

Education

No HS: 1.4%HS Grad: 20.3%Some College: 9.2%Associates: 8.8%Bachelors: 9.6%Graduate: 50.6%Edu
No HS1.4%
HS Grad20.3%
Some College9.2%
Associates8.8%
Bachelors9.6%
Graduate50.6%
Housing & Income

Housing Tenure

Owner: 91.3%Renter: 8.7%Tenure
Owner91.3%
Renter8.7%

Home Value Distribution

Under $50k
0%
$50k–100k
2%
$150k–200k
1%
$200k–300k
1%
$300k–500k
17%
Over $500k
79%

Financials

Median HH Income$158,819 ▲ 108% above avg ↑ 32% since 2019
Median Home Value$622,100 ▲ 123% above avg ↑ 28% since 2019
Home/Income Ratio3.9x (nat avg ~3.5x)
Median Rent$2,261/mo ↑ 18% since 2019
Total Units11,073
Vacant Units356
Avg HH Size2.77

Income Distribution

Under $25k
6%
$25k–50k
4%
$50k–75k
12%
$75k–100k
7%
$100k–150k
16%
$150k–200k
24%
Over $200k
32%
Employment & Commute

How People Get to Work

Drove Alone
77%
Public Transit
9%
Walked
1%
Work From Home
14%

Commute Time

Under 15 min
18%
15–30 min
28%
30–45 min
25%
Over 45 min
28%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
36%
1960s–1970s
5%
1980s–1990s
3%
2000+
54%

Summary

Total Units11,073
Vacant356
Owner Occupied91.3%
Renter Occupied8.7%
Avg HH Size2.77
Frequently Asked Questions
ZIP code 11731 is in East Northport, NY, in Suffolk County.
ZIP code 11731 is located in New York (NY).
ZIP code 11731 is in Suffolk County, NY.
ZIP 11731 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 11731 is 29,891 people (ACS 2023).
The median household income in ZIP code 11731 is $158,819 (ACS 2023).
The median home value in ZIP 11731 is $622,100 (ACS 2023).
About ZIP Code 11731

ZIP code 11731 is located in East Northport, New York, within Suffolk County. With a population of 29,891, this is a moderately populated ZIP code with a mature community — the median age is 46.5 years. Economically, 11731 is a affluent ZIP code: the median household income of $158,819 is more than double the national average.

Real estate in ZIP code 11731 represents a premium housing market. The median home value of $622,100 is more than double the national average. Renters can expect to pay around $2,261 per month in median rent. Homeownership is strong here — 91.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 28% since 2019.

The population of 11731 is primarily White (81.65%). Residents are highly educated — 60.3% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 4.4%. Household income has grown by 32% since 2019.

The unemployment rate in 11731 stands at 3.3%, which is below the national average. About 13% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 73%.

Overall, ZIP code 11731 in East Northport, NY is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 29,891 residents, a median household income of $158,819, and a median home value of $622,100, it offers a clear picture of life in this part of New York.