11725 ZIP Code — Commack, NY

Suffolk County, New York

ZIP code 11725 is located in Commack, New York, within Suffolk County. It covers approximately 9.71 square miles and serves a population of 28,735 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11725

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $623,200. Owner-occupancy is high at 92%, well above the national average.

The gap between median ($168,786) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 34 minutes is near the national average.

Educational attainment is high — 58% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11725 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

28,735

population

9.71

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11725 ZIP code map

Cities in ZIP code 11725

Below are the cities the US Postal Service accepts for ZIP code 11725. Using any city not on this list may result in mail delivery delays.

City	Status
Commack	Preferred

Nearby ZIP codes

11731 East Northport (2.2 mi) 11754 Kings Park (3.8 mi) 11788 Hauppauge (3.9 mi) 11787 Smithtown (4 mi) 11717 Brentwood (4.3 mi) 11746 Huntington Station (4.6 mi) 11740 Greenlawn (4.7 mi) 11729 Deer Park (5.8 mi) 11768 Northport (5.8 mi) 11722 Central Islip (5.9 mi) 11749 Islandia (6 mi) 11749 Islandia (6 mi)

Demographics updated 07/2026

Population
Total population	28,735
Population density	2,959 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	9.71 sq mi
Water area	0.00 sq mi
Latitude	40.8395
Longitude	-73.2806
Timezone	Eastern (ET)
Area code	631

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.1%	22.6%	37.0%
$50k – $100k	17.0%	24.7%	27.0%
$100k – $200k	38.3%	34.6%	24.4%
Over $200k	29.6%	18.0%	11.5%

Demographics & statistics

28,735

Population

2,959

People per sq mi

43.4

Median age

$168,786

Median household income

$67,283

Per capita income

$623,200

Median home value

$2,272

Median monthly rent

92.1%

Home ownership

2.4%

Poverty rate

4.0%

Unemployment

8,668

Housing units

57.6%

Bachelor's or higher

Age distribution

Male Female

730

Under 5

732

701

5–9

704

1,004

10–14

1,009

1,103

15–19

1,108

876

20–24

880

1,611

25–34

1,617

1,440

35–44

1,446

2,247

45–54

2,256

1,166

55–59

1,171

1,014

60–64

1,019

1,208

65–74

1,213

702

75–84

704

536

85+

538

← Male

Female →

Age summary

Group	Count	%
Under 18	6,228	21.7%
18 and over	22,507	78.3%
65 and over	4,901	17.1%
Median age	43.4 years

Race & ethnicity

White 85.4%

Asian 5.5%

Two or more races 3.6%

Hispanic or Latino 2.9%

Black or African American 1.8%

Other race 0.9%

Group	Count	%
White	25,276	85.4%
Asian	1,621	5.5%
Two or more races	1,052	3.6%
Hispanic or Latino	865	2.9%
Black or African American	530	1.8%
Other race	256	0.9%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.1%	22.6%	37.0%
$50k – $100k	17.0%	24.7%	27.0%
$100k – $200k	38.3%	34.6%	24.4%
Over $200k	29.6%	18.0%	11.5%

Under $10k 1.9%

$10k–$15k 0.8%

$15k–$25k 1.3%

$25k–$35k 2.4%

$35k–$50k 3.6%

$50k–$75k 7.5%

$75k–$100k 8.0%

$100k–$150k 17.5%

$150k–$200k 18.6%

$200k+ 38.4%

Range	% of households
Under $10k	1.9%
$10k–$15k	0.8%
$15k–$25k	1.3%
$25k–$35k	2.4%
$35k–$50k	3.6%
$50k–$75k	7.5%
$75k–$100k	8.0%
$100k–$150k	17.5%
$150k–$200k	18.6%
$200k+	38.4%
Median income	$168,786

Housing

Home values

Under $50k 0.6%

$50k–$100k 0.9%

$100k–$150k 0.2%

$150k–$200k 0.1%

$200k–$300k 0.2%

$300k–$500k 19.6%

$500k–$1M 74.6%

$1M+ 3.8%

Housing overview

Metric	Value
Median home value	$623,200
Median rent / month	$2,272
Owner occupied	92.1%
Renter occupied	7.9%
Vacant	3.2%
Single-family detached	90.2%
Large apartment buildings	2.1%
Mobile homes	0.1%
Median rooms	7.3
Avg household size (owned)	3.20

Year built

Era	%
2020 or later	0.1%
2010–2019	0.8%
2000–2009	1.8%
1990–1999	7.7%
1980–1989	8.6%
1970–1979	9.6%
1960–1969	39.2%
1950–1959	29.5%
1940–1949	1.5%
1939 or earlier	1.2%

Bedrooms

Size	% of units
No bedroom (studio)	1.0%
1 bedroom	3.2%
2 bedrooms	5.6%
3 bedrooms	43.5%
4 bedrooms	35.7%
5+ bedrooms	11.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.4%
1 vehicle	17.1%
2 vehicles	45.7%
3 or more	32.8%

Heating fuel

Fuel type	%
Utility gas	73.1%
Electricity	5.5%
Propane / LP gas	1.5%
Fuel oil	19.4%
Wood	0.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	6,711	73.9%
Cohabiting couple	320	3.5%
Male householder, no spouse	683	7.5%
Female householder, no spouse	1,369	15.1%
Households with children under 18	3,223	35.5%
Households with seniors (65+)	3,216	35.4%
Average household size	3.10

Marital status

Status	Male	Female
Never married	32.5%	24.8%
Married	60.9%	59.2%
Separated	0.6%	0.0%
Widowed	1.9%	9.0%
Divorced	4.0%	7.0%

Education

Less than 9th grade 1.4%

Some HS, no diploma 1.7%

HS graduate 16.2%

Some college, no degree 14.1%

Associate's degree 9.0%

Bachelor's degree 30.7%

Graduate / professional 26.9%

Metric	%
HS diploma or higher	96.9%
Bachelor's or higher	57.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	564	7.4%
Kindergarten	205	2.7%
Elementary school	2,624	34.2%
High school	1,982	25.9%
College / grad school	2,288	29.9%

Employment

Industry of employment

Education & healthcare 30.7%

Professional & management 15.3%

Finance & real estate 11.2%

Retail trade 9.5%

Manufacturing 6.5%

Construction 5.1%

Arts, food & hospitality 5.0%

Public administration 4.1%

Transportation & utilities 3.6%

Wholesale trade 3.5%

Information 3.2%

Other services 2.0%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	59.6%
Service	9.5%
Sales & office	21.6%
Natural resources & construction	4.5%
Production & transportation	4.8%

Employment type

Type	%
Private sector	78.5%
Government	17.5%
Self-employed	3.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	72.1%
Carpool	6.1%
Public transit	5.4%
Walk	0.9%
Work from home	15.0%
Other means	0.5%
Avg commute (minutes)	34.4

Poverty

All people 2.4%

Under 18 years 1.6%

18 and over 2.7%

Married-couple families 1.2%

Female-led households 5.3%

Income support

Source	% of households
Social Security	32.9%
Retirement income	31.4%
Supplemental Security	3.0%
Cash public assistance	1.7%
Food stamps / SNAP	3.2%

Health indicators

Condition	%
Obesity	24.5%
High blood pressure	28.2%
High cholesterol	31.3%
Diabetes	7.6%
Heart disease	5.4%
Stroke	2.3%
Asthma	8.8%
Arthritis	20.2%
Kidney disease	2.5%
Pulmonary disease	4.8%
Cancer	7.6%

Behavior / access	%
Smoking	11.3%
Binge drinking	17.4%
No physical activity	18.6%
Less than 7 hrs sleep	31.6%
Depression	15.8%
Fair or poor health	8.5%
Poor mental health	11.6%
Poor physical health	7.4%
No health insurance	7.5%
Visited doctor (checkup)	79.5%
Visited dentist	74.7%
Cholesterol screening	93.9%
Teeth loss	8.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	823	3.7%

Disability	%
Any disability	9.2%
Under 18	3.3%
18–64 years	6.4%
65 and over	28.1%

Health insurance coverage

Type	%
Private insurance	87.3%
Public insurance	24.0%
No insurance	2.2%
Uninsured under 19	2.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	27,273	94.9%
Spanish	1,168	4.3%
Other Indo-European	174	0.6%
Asian & Pacific Islander	609	2.2%
Other languages	307	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	25,964	90.4%
Born in same state	25,801	89.8%
Born in different state	24,489	85.2%
Foreign born	163	0.6%
Naturalized citizen	2,771	9.6%
Not a US citizen	2,057	74.2%

Ancestry

Ancestry	Count	%
Italian	4,781	16.6%
French	1,538	5.4%
Arab	1,242	4.3%
Polish	286	1%
Dutch	199	0.7%

Ancestry	Count	%
Irish	173	0.6%
Norwegian	141	0.5%
English	124	0.4%
German	74	0.3%

Technology access

Metric	% of households
Computer access	31.6%
Internet access	97.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 11725

What city is ZIP code 11725 in?

ZIP code 11725 is primarily assigned to Commack, New York.

What county is ZIP code 11725 in?

ZIP code 11725 falls within Suffolk County, New York.

Is ZIP code 11725 mostly owner-occupied?

92% of occupied units in ZIP code 11725 are owner-occupied, well above the national average.

How educated is the population of ZIP code 11725?

58% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 11725?

The median household income in ZIP code 11725 is $168,786, above the national median of ~$75,000.

What is the typical home value in ZIP code 11725?

The median home value in ZIP code 11725 is $623,200.

What timezone is ZIP code 11725 in?

ZIP code 11725 observes the EST timezone.