11718 ZIP Code — Brightwaters, NY

Suffolk County, New York

ZIP code 11718 is located in Brightwaters, New York, within Suffolk County. It covers approximately 0.94 square miles and serves a population of 3,181 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

About ZIP code 11718

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $672,200. Owner-occupancy is high at 95%, well above the national average.

Median household income is $187,581. 30% 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 27 minutes is near the national average.

Educational attainment is high — 60% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11718 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

3,181

population

0.94

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11718 ZIP code map

Cities in ZIP code 11718

Below are the cities the US Postal Service accepts for ZIP code 11718. Using any city not on this list may result in mail delivery delays.

City	Status
Brightwaters	Preferred

Nearby ZIP codes

11795 West Islip (1.8 mi) 11751 Islip (2.7 mi) 11706 Bay Shore (3.1 mi) 11703 North Babylon (3.5 mi) 11729 Deer Park (4.5 mi) 11717 Brentwood (4.5 mi) 11730 East Islip (4.9 mi) 11752 Islip Terrace (5.3 mi) 11704 West Babylon (5.5 mi) 11722 Central Islip (5.5 mi) 11798 Wyandanch (6.1 mi) 11757 Lindenhurst (6.2 mi)

Demographics updated 06/2026

Population
Total population	3,181
Population density	3,384 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	0.94 sq mi
Water area	0.02 sq mi
Latitude	40.7167
Longitude	-73.2621
Timezone	Eastern (ET)
Area code	631

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.7%	22.6%	37.0%
$50k – $100k	24.1%	24.7%	27.0%
$100k – $200k	38.6%	34.6%	24.4%
Over $200k	26.6%	18.0%	11.5%

Demographics & statistics

3,181

Population

3,384

People per sq mi

39.7

Median age

$187,581

Median household income

$66,172

Per capita income

$672,200

Median home value

$1,938

Median monthly rent

94.5%

Home ownership

0.3%

Poverty rate

3.1%

Unemployment

964

Housing units

59.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

121

5–9

124

167

10–14

171

110

15–19

113

20–24

135

25–34

139

216

35–44

221

211

45–54

215

55–59

149

60–64

153

141

65–74

144

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	901	28.3%
18 and over	2,280	71.7%
65 and over	448	14.1%
Median age	39.7 years

Race & ethnicity

White 88.8%

Two or more races 4.7%

Black or African American 2.8%

Hispanic or Latino 2%

Other race 1.4%

Asian 0.4%

Group	Count	%
White	2,881	88.8%
Two or more races	154	4.7%
Black or African American	90	2.8%
Hispanic or Latino	65	2%
Other race	44	1.4%
Asian	12	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.7%	22.6%	37.0%
$50k – $100k	24.1%	24.7%	27.0%
$100k – $200k	38.6%	34.6%	24.4%
Over $200k	26.6%	18.0%	11.5%

$10k–$15k 0.6%

$15k–$25k 0.6%

$25k–$35k 2.9%

$35k–$50k 3.9%

$50k–$75k 6.6%

$75k–$100k 5.7%

$100k–$150k 22.2%

$150k–$200k 13.5%

$200k+ 44.0%

Range	% of households
$10k–$15k	0.6%
$15k–$25k	0.6%
$25k–$35k	2.9%
$35k–$50k	3.9%
$50k–$75k	6.6%
$75k–$100k	5.7%
$100k–$150k	22.2%
$150k–$200k	13.5%
$200k+	44.0%
Median income	$187,581

Housing

Home values

Under $50k 1.0%

$50k–$100k 1.8%

$100k–$150k 0.6%

$150k–$200k 0.4%

$300k–$500k 11.5%

$500k–$1M 70.2%

$1M+ 14.4%

Housing overview

Metric	Value
Median home value	$672,200
Median rent / month	$1,938
Owner occupied	94.5%
Renter occupied	5.5%
Vacant	0.0%
Single-family detached	97.5%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	7.8
Avg household size (owned)	3.14

Year built

Era	%
2020 or later	0.0%
2010–2019	2.9%
2000–2009	4.7%
1990–1999	0.4%
1980–1989	2.1%
1970–1979	6.6%
1960–1969	5.4%
1950–1959	21.7%
1940–1949	13.4%
1939 or earlier	42.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.0%
2 bedrooms	12.7%
3 bedrooms	38.4%
4 bedrooms	35.2%
5+ bedrooms	11.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.5%
1 vehicle	16.2%
2 vehicles	53.4%
3 or more	26.9%

Heating fuel

Fuel type	%
Utility gas	69.1%
Electricity	4.4%
Fuel oil	26.1%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	787	77.2%
Cohabiting couple	60	5.9%
Male householder, no spouse	72	7.1%
Female householder, no spouse	101	9.9%
Households with children under 18	400	39.2%
Households with seniors (65+)	287	28.1%
Average household size	3.11

Marital status

Status	Male	Female
Never married	27.3%	21.4%
Married	64.7%	67.2%
Separated	1.2%	1.4%
Widowed	1.6%	5.3%
Divorced	5.1%	4.8%

Education

Less than 9th grade 0.8%

Some HS, no diploma 0.6%

HS graduate 13.0%

Some college, no degree 15.3%

Associate's degree 10.6%

Bachelor's degree 34.3%

Graduate / professional 25.4%

Metric	%
HS diploma or higher	98.6%
Bachelor's or higher	59.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	46	4.7%
Kindergarten	62	6.4%
Elementary school	480	49.3%
High school	214	22.0%
College / grad school	171	17.6%

Employment

Industry of employment

Education & healthcare 35.2%

Professional & management 12.1%

Finance & real estate 12.0%

Construction 7.2%

Retail trade 6.9%

Arts, food & hospitality 6.5%

Other services 4.8%

Manufacturing 4.6%

Public administration 3.7%

Transportation & utilities 3.4%

Wholesale trade 1.9%

Information 1.7%

Occupation

Category	%
Management, business & arts	63.0%
Service	10.2%
Sales & office	18.2%
Natural resources & construction	5.1%
Production & transportation	3.4%

Employment type

Type	%
Private sector	73.9%
Government	23.0%
Self-employed	3.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.3%
Carpool	3.4%
Public transit	5.3%
Walk	1.4%
Work from home	18.5%
Other means	2.1%
Avg commute (minutes)	26.7

Poverty

All people 0.3%

Under 18 years 0.0%

18 and over 0.5%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	30.2%
Retirement income	26.1%
Supplemental Security	2.7%
Cash public assistance	0.9%
Food stamps / SNAP	1.5%

Health indicators

Condition	%
Obesity	24.9%
High blood pressure	26.7%
High cholesterol	31.0%
Diabetes	6.9%
Heart disease	4.8%
Stroke	2.0%
Asthma	8.9%
Arthritis	19.1%
Kidney disease	2.3%
Pulmonary disease	4.4%
Cancer	7.1%

Behavior / access	%
Smoking	10.5%
Binge drinking	18.3%
No physical activity	16.3%
Less than 7 hrs sleep	31.1%
Depression	16.0%
Fair or poor health	7.7%
Poor mental health	11.4%
Poor physical health	7.0%
No health insurance	6.6%
Visited doctor (checkup)	79.2%
Visited dentist	76.8%
Cholesterol screening	94.4%
Teeth loss	6.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	89	3.9%

Disability	%
Any disability	9.4%
Under 18	1.3%
18–64 years	8.7%
65 and over	28.3%

Health insurance coverage

Type	%
Private insurance	92.5%
Public insurance	20.2%
No insurance	1.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,045	95.7%
Spanish	32	1.1%
Other Indo-European	10	0.3%
Asian & Pacific Islander	16	0.5%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,015	94.8%
Born in same state	2,964	93.2%
Born in different state	2,784	87.5%
Foreign born	51	1.6%
Naturalized citizen	166	5.2%
Not a US citizen	112	67.5%

Ancestry

Ancestry	Count	%
Italian	957	30.1%
French	242	7.6%
Arab	89	2.8%
English	36	1.1%

Ancestry	Count	%
Polish	29	0.9%
Norwegian	23	0.7%
Dutch	15	0.5%
Irish	10	0.3%

Technology access

Metric	% of households
Computer access	32.1%
Internet access	98.9%

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

Frequently asked questions about ZIP code 11718

What city is ZIP code 11718 in?

ZIP code 11718 is primarily assigned to Brightwaters, New York.

What county is ZIP code 11718 in?

ZIP code 11718 falls within Suffolk County, New York.

Is ZIP code 11718 mostly owner-occupied?

95% of occupied units in ZIP code 11718 are owner-occupied, well above the national average.

How educated is the population of ZIP code 11718?

60% 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 11718?

The median household income in ZIP code 11718 is $187,581, above the national median of ~$75,000.

What is the typical home value in ZIP code 11718?

The median home value in ZIP code 11718 is $672,200.

What timezone is ZIP code 11718 in?

ZIP code 11718 observes the EST timezone.