11729 ZIP Code — Deer Park, NY

Suffolk County, New York

ZIP code 11729 is located in Deer Park, New York, within Suffolk County. It covers approximately 6.20 square miles and serves a population of 26,608 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11729

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1950s, giving the area an established character. Median home value is $471,500. Owner-occupancy is high at 85%, well above the national average.

Median household income is $124,704. The poverty rate of 5% is below the national average. 35% 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 near the national average, with 38% of residents holding a bachelor's degree or higher.

Overall, ZIP code 11729 reflects a community defined by high homeownership and a significant Social Security-dependent population.

26,608

population

6.20

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11729 ZIP code map

Cities in ZIP code 11729

Below are the cities the US Postal Service accepts for ZIP code 11729. Using any city not on this list may result in mail delivery delays.

City	Status
Deer Park	Acceptable
Deer Park	Preferred

Nearby ZIP codes

11703 North Babylon (2.1 mi) 11798 Wyandanch (2.5 mi) 11795 West Islip (3.7 mi) 11717 Brentwood (3.9 mi) 11704 West Babylon (4 mi) 11746 Huntington Station (4.2 mi) 11718 Brightwaters (4.5 mi) 11747 Melville (4.6 mi) 11725 Commack (5.8 mi) 11757 Lindenhurst (5.8 mi) 11751 Islip (6.1 mi) 11735 Farmingdale (6.2 mi)

Demographics updated 05/2026

Population
Total population	26,608
Population density	4,292 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	6.20 sq mi
Water area	0.00 sq mi
Latitude	40.7625
Longitude	-73.3224
Timezone	Eastern (ET)
Area code	631

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.6%	22.6%	37.0%
$50k – $100k	24.9%	24.7%	27.0%
$100k – $200k	38.9%	34.6%	24.4%
Over $200k	14.6%	18.0%	11.5%

Demographics & statistics

26,608

Population

4,292

People per sq mi

43.0

Median age

$124,704

Median household income

$49,942

Per capita income

$471,500

Median home value

$1,844

Median monthly rent

85.3%

Home ownership

5.0%

Poverty rate

3.5%

Unemployment

7,866

Housing units

38.1%

Bachelor's or higher

Age distribution

Male Female

587

Under 5

639

499

5–9

543

856

10–14

932

918

15–19

999

739

20–24

804

1,657

25–34

1,804

1,589

35–44

1,730

2,212

45–54

2,406

912

55–59

993

801

60–64

871

1,023

65–74

1,113

677

75–84

737

272

85+

295

← Male

Female →

Age summary

Group	Count	%
Under 18	5,271	19.8%
18 and over	21,337	80.2%
65 and over	4,117	15.5%
Median age	43.0 years

Race & ethnicity

White 56%

Asian 10.7%

Hispanic or Latino 10.6%

Black or African American 10.1%

Two or more races 7.9%

Other race 4.7%

Group	Count	%
White	16,658	56%
Asian	3,188	10.7%
Hispanic or Latino	3,139	10.6%
Black or African American	2,999	10.1%
Two or more races	2,348	7.9%
Other race	1,407	4.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.6%	22.6%	37.0%
$50k – $100k	24.9%	24.7%	27.0%
$100k – $200k	38.9%	34.6%	24.4%
Over $200k	14.6%	18.0%	11.5%

Under $10k 2.2%

$10k–$15k 1.2%

$15k–$25k 5.1%

$25k–$35k 2.9%

$35k–$50k 6.1%

$50k–$75k 9.7%

$75k–$100k 10.0%

$100k–$150k 23.4%

$150k–$200k 17.6%

$200k+ 21.8%

Range	% of households
Under $10k	2.2%
$10k–$15k	1.2%
$15k–$25k	5.1%
$25k–$35k	2.9%
$35k–$50k	6.1%
$50k–$75k	9.7%
$75k–$100k	10.0%
$100k–$150k	23.4%
$150k–$200k	17.6%
$200k+	21.8%
Median income	$124,704

Housing

Home values

Under $50k 1.7%

$50k–$100k 0.6%

$100k–$150k 0.8%

$150k–$200k 1.1%

$200k–$300k 2.3%

$300k–$500k 55.4%

$500k–$1M 37.3%

$1M+ 0.9%

Housing overview

Metric	Value
Median home value	$471,500
Median rent / month	$1,844
Owner occupied	85.3%
Renter occupied	14.7%
Vacant	5.0%
Single-family detached	79.6%
Large apartment buildings	3.6%
Mobile homes	0.5%
Median rooms	6.5
Avg household size (owned)	3.24

Year built

Era	%
2020 or later	0.0%
2010–2019	0.3%
2000–2009	3.4%
1990–1999	7.1%
1980–1989	4.7%
1970–1979	13.2%
1960–1969	31.1%
1950–1959	32.8%
1940–1949	3.8%
1939 or earlier	3.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	8.0%
2 bedrooms	16.0%
3 bedrooms	37.9%
4 bedrooms	27.5%
5+ bedrooms	9.9%

Vehicles per household

Vehicles	% of households
No vehicle	4.6%
1 vehicle	29.7%
2 vehicles	36.5%
3 or more	29.2%

Heating fuel

Fuel type	%
Utility gas	58.6%
Electricity	10.7%
Propane / LP gas	1.6%
Fuel oil	26.7%
Wood	0.1%
Solar	0.4%
No fuel used	1.5%

Households & families

Household type	Count	%
Married-couple family	4,948	57.0%
Cohabiting couple	503	5.8%
Male householder, no spouse	1,087	12.5%
Female householder, no spouse	2,146	24.7%
Households with children under 18	2,959	34.1%
Households with seniors (65+)	2,978	34.3%
Average household size	3.05

Marital status

Status	Male	Female
Never married	33.8%	33.1%
Married	54.7%	47.6%
Separated	0.6%	2.7%
Widowed	2.1%	8.5%
Divorced	8.8%	8.1%

Education

Less than 9th grade 3.5%

Some HS, no diploma 3.0%

HS graduate 26.2%

Some college, no degree 19.5%

Associate's degree 9.7%

Bachelor's degree 21.2%

Graduate / professional 16.8%

Metric	%
HS diploma or higher	93.5%
Bachelor's or higher	38.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	402	6.3%
Kindergarten	223	3.5%
Elementary school	2,314	36.1%
High school	1,560	24.4%
College / grad school	1,904	29.7%

Employment

Industry of employment

Education & healthcare 27.0%

Professional & management 11.5%

Retail trade 11.3%

Transportation & utilities 8.2%

Arts, food & hospitality 7.8%

Finance & real estate 7.6%

Public administration 6.7%

Construction 6.1%

Manufacturing 5.2%

Information 3.6%

Other services 2.7%

Wholesale trade 2.1%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	43.5%
Service	15.3%
Sales & office	24.2%
Natural resources & construction	6.9%
Production & transportation	10.1%

Employment type

Type	%
Private sector	77.3%
Government	20.1%
Self-employed	2.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.4%
Carpool	8.3%
Public transit	10.0%
Walk	0.5%
Work from home	7.3%
Other means	2.5%
Avg commute (minutes)	34.1

Poverty

All people 5.0%

Under 18 years 5.5%

18 and over 4.8%

Married-couple families 3.2%

Female-led households 3.9%

Income support

Source	% of households
Social Security	34.5%
Retirement income	27.5%
Supplemental Security	3.9%
Cash public assistance	3.1%
Food stamps / SNAP	6.9%

Health indicators

Condition	%
Obesity	27.6%
High blood pressure	29.5%
High cholesterol	29.8%
Diabetes	8.8%
Heart disease	5.5%
Stroke	2.7%
Asthma	9.6%
Arthritis	20.2%
Kidney disease	2.7%
Pulmonary disease	5.6%
Cancer	6.6%

Behavior / access	%
Smoking	14.6%
Binge drinking	17.2%
No physical activity	23.3%
Less than 7 hrs sleep	35.0%
Depression	16.5%
Fair or poor health	11.4%
Poor mental health	13.3%
Poor physical health	8.7%
No health insurance	11.3%
Visited doctor (checkup)	78.9%
Visited dentist	67.5%
Cholesterol screening	91.9%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	686	3.2%

Disability	%
Any disability	9.3%
Under 18	2.2%
18–64 years	5.6%
65 and over	34.0%

Health insurance coverage

Type	%
Private insurance	82.9%
Public insurance	27.3%
No insurance	2.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	25,382	95.4%
Spanish	2,100	8.3%
Other Indo-European	600	2.4%
Asian & Pacific Islander	747	2.9%
Other languages	699	2.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,513	80.9%
Born in same state	20,878	78.5%
Born in different state	19,307	72.6%
Foreign born	635	2.4%
Naturalized citizen	5,095	19.1%
Not a US citizen	3,750	73.6%

Ancestry

Ancestry	Count	%
Italian	2,900	10.9%
Arab	1,178	4.4%
French	543	2%
Polish	178	0.7%

Ancestry	Count	%
German	168	0.6%
Irish	61	0.2%
Norwegian	32	0.1%
English	12	0%

Technology access

Metric	% of households
Computer access	32.6%
Internet access	96.9%

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

Frequently asked questions about ZIP code 11729

What city is ZIP code 11729 in?

ZIP code 11729 is primarily assigned to Deer Park, New York.

What county is ZIP code 11729 in?

ZIP code 11729 falls within Suffolk County, New York.

Is ZIP code 11729 mostly owner-occupied?

85% of occupied units in ZIP code 11729 are owner-occupied, well above the national average.

What is the median household income in ZIP code 11729?

The median household income in ZIP code 11729 is $124,704, above the national median of ~$75,000.

What is the typical home value in ZIP code 11729?

The median home value in ZIP code 11729 is $471,500.

What is the population of ZIP code 11729?

ZIP code 11729 has an estimated population of 26,608 residents, with a density of 4,294 people per square mile.

What timezone is ZIP code 11729 in?

ZIP code 11729 observes the EST timezone.