11568 ZIP Code — Old Westbury, NY

Nassau County, New York

ZIP code 11568 is located in Old Westbury, New York, within Nassau County. It covers approximately 8.67 square miles and serves a population of 4,272 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 516/631.

About ZIP code 11568

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 $2,000,000. Owner-occupancy is high at 94%, well above the national average.

The gap between median ($250,001) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 32% 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. An above-average commute of 37 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 21% of workers work from home.

Educational attainment is high — 79% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11568 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

4,272

population

8.67

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

11568 ZIP code map

Cities in ZIP code 11568

Below are the cities the US Postal Service accepts for ZIP code 11568. Using any city not on this list may result in mail delivery delays.

City	Status
Old Westbury	Acceptable
Old Westbury	Preferred

Nearby ZIP codes

11590 Westbury (2.2 mi) 11577 Roslyn Heights (2.5 mi) 11753 Jericho (2.5 mi) 11548 Greenvale (2.6 mi) 11853 Jericho (2.7 mi) 11545 Glen Head (2.7 mi) 11514 Carle Place (2.8 mi) 11576 Roslyn (3.1 mi) 11507 Albertson (3.3 mi) 11596 Williston Park (3.3 mi) 11815 Hicksville (3.6 mi) 11501 Mineola (3.8 mi)

Demographics updated 05/2026

Population
Total population	4,272
Population density	493 / sq mi
State FIPS	36
County FIPS	059

Geography
Land area	8.67 sq mi
Water area	0.00 sq mi
Latitude	40.7871
Longitude	-73.5909
Timezone	Eastern (ET)
Area code	516/631

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.8%	20.1%	37.0%
$50k – $100k	10.6%	21.8%	27.0%
$100k – $200k	27.6%	33.1%	24.4%
Over $200k	51.1%	25.0%	11.5%

Demographics & statistics

4,272

Population

493

People per sq mi

26.2

Median age

$250,001

Median household income

$108,894

Per capita income

$2,000,000

Median home value

$3,501

Median monthly rent

93.5%

Home ownership

4.4%

Poverty rate

7.6%

Unemployment

1,084

Housing units

78.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

106

10–14

408

15–19

439

401

20–24

432

144

25–34

156

150

35–44

162

211

45–54

228

103

55–59

111

129

60–64

139

157

65–74

169

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	605	14.2%
18 and over	3,667	85.8%
65 and over	611	14.3%
Median age	26.2 years

Race & ethnicity

White 65.3%

Asian 15.1%

Two or more races 7.2%

Black or African American 6.5%

Hispanic or Latino 3.8%

Other race 2.1%

Group	Count	%
White	2,901	65.3%
Asian	672	15.1%
Two or more races	319	7.2%
Black or African American	288	6.5%
Hispanic or Latino	170	3.8%
Other race	92	2.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	10.8%	20.1%	37.0%
$50k – $100k	10.6%	21.8%	27.0%
$100k – $200k	27.6%	33.1%	24.4%
Over $200k	51.1%	25.0%	11.5%

Under $10k 1.6%

$10k–$15k 1.4%

$15k–$25k 0.5%

$25k–$35k 1.6%

$35k–$50k 0.9%

$50k–$75k 2.0%

$75k–$100k 7.2%

$100k–$150k 15.1%

$150k–$200k 8.0%

$200k+ 61.8%

Range	% of households
Under $10k	1.6%
$10k–$15k	1.4%
$15k–$25k	0.5%
$25k–$35k	1.6%
$35k–$50k	0.9%
$50k–$75k	2.0%
$75k–$100k	7.2%
$100k–$150k	15.1%
$150k–$200k	8.0%
$200k+	61.8%
Median income	$250,001

Housing

Home values

Under $50k 2.0%

$50k–$100k 1.0%

$100k–$150k 0.7%

$300k–$500k 0.7%

$500k–$1M 4.6%

$1M+ 91.0%

Housing overview

Metric	Value
Median home value	$2,000,000
Median rent / month	$3,501
Owner occupied	93.5%
Renter occupied	6.5%
Vacant	12.5%
Single-family detached	96.9%
Large apartment buildings	0.0%
Mobile homes	2.4%
Median rooms	10.0
Avg household size (owned)	3.04

Year built

Era	%
2020 or later	0.0%
2010–2019	9.5%
2000–2009	12.4%
1990–1999	7.2%
1980–1989	7.5%
1970–1979	11.4%
1960–1969	16.2%
1950–1959	19.9%
1940–1949	1.4%
1939 or earlier	14.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	3.2%
3 bedrooms	20.0%
4 bedrooms	39.5%
5+ bedrooms	37.2%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	16.2%
2 vehicles	40.4%
3 or more	41.4%

Heating fuel

Fuel type	%
Utility gas	48.3%
Electricity	1.3%
Propane / LP gas	9.7%
Fuel oil	39.4%

Households & families

Household type	Count	%
Married-couple family	699	69.6%
Cohabiting couple	64	6.4%
Male householder, no spouse	120	11.9%
Female householder, no spouse	122	12.1%
Households with children under 18	277	27.6%
Households with seniors (65+)	380	37.8%
Average household size	3.09

Marital status

Status	Male	Female
Never married	54.4%	56.4%
Married	42.3%	36.5%
Separated	0.5%	0.0%
Widowed	0.7%	4.5%
Divorced	2.0%	2.5%

Education

Less than 9th grade 0.7%

Some HS, no diploma 0.7%

HS graduate 8.7%

Some college, no degree 8.1%

Associate's degree 3.4%

Bachelor's degree 37.9%

Graduate / professional 40.6%

Metric	%
HS diploma or higher	98.6%
Bachelor's or higher	78.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	42	2.0%
Kindergarten	43	2.1%
Elementary school	319	15.6%
High school	151	7.4%
College / grad school	1,494	72.9%

Employment

Industry of employment

Education & healthcare 38.3%

Professional & management 12.8%

Arts, food & hospitality 11.6%

Finance & real estate 9.6%

Retail trade 7.5%

Construction 6.4%

Information 3.3%

Manufacturing 2.9%

Wholesale trade 2.8%

Other services 1.9%

Public administration 1.8%

Transportation & utilities 1.2%

Occupation

Category	%
Management, business & arts	57.6%
Service	16.8%
Sales & office	17.3%
Natural resources & construction	4.4%
Production & transportation	3.9%

Employment type

Type	%
Private sector	82.4%
Government	11.0%
Self-employed	5.8%
Unpaid family workers	0.8%

Commute

Method	%
Drive alone	54.4%
Carpool	4.4%
Public transit	9.7%
Walk	10.3%
Work from home	20.5%
Other means	0.8%
Avg commute (minutes)	36.6

Poverty

All people 4.4%

Under 18 years 2.7%

18 and over 4.8%

Married-couple families 1.3%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.7%
Retirement income	21.1%
Supplemental Security	1.3%
Cash public assistance	1.3%
Food stamps / SNAP	1.1%

Health indicators

Condition	%
Obesity	19.0%
High blood pressure	21.2%
High cholesterol	25.8%
Diabetes	5.1%
Heart disease	3.4%
Stroke	1.5%
Asthma	8.7%
Arthritis	13.3%
Kidney disease	1.7%
Pulmonary disease	2.8%
Cancer	4.9%

Behavior / access	%
Smoking	7.1%
Binge drinking	16.5%
No physical activity	15.0%
Less than 7 hrs sleep	31.8%
Depression	14.7%
Fair or poor health	6.2%
Poor mental health	13.1%
Poor physical health	5.1%
No health insurance	8.9%
Visited doctor (checkup)	79.4%
Visited dentist	76.9%
Cholesterol screening	89.6%
Teeth loss	5.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	64	1.7%

Disability	%
Any disability	8.7%
Under 18	5.5%
18–64 years	7.2%
65 and over	19.1%

Health insurance coverage

Type	%
Private insurance	84.5%
Public insurance	21.1%
No insurance	4.0%
Uninsured under 19	4.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,214	98.6%
Spanish	374	8.9%
Other Indo-European	70	1.7%
Asian & Pacific Islander	138	3.3%
Other languages	149	3.5%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,216	75.3%
Born in same state	3,150	73.7%
Born in different state	2,549	59.7%
Foreign born	66	1.5%
Naturalized citizen	1,056	24.7%
Not a US citizen	857	81.2%

Ancestry

Ancestry	Count	%
Arab	363	8.5%
French	228	5.3%
Italian	196	4.6%
Norwegian	8	0.2%

Ancestry	Count	%
Polish	6	0.1%
German	3	0.1%
Irish	3	0.1%

Technology access

Metric	% of households
Computer access	23.5%
Internet access	98.4%

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

Frequently asked questions about ZIP code 11568

What city is ZIP code 11568 in?

ZIP code 11568 is primarily assigned to Old Westbury, New York.

What county is ZIP code 11568 in?

ZIP code 11568 falls within Nassau County, New York.

How educated is the population of ZIP code 11568?

79% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 11568 mostly owner-occupied?

94% of occupied units in ZIP code 11568 are owner-occupied, well above the national average.

What is the median household income in ZIP code 11568?

The median household income in ZIP code 11568 is $250,001, above the national median of ~$75,000.

What is the typical home value in ZIP code 11568?

The median home value in ZIP code 11568 is $2,000,000.

What timezone is ZIP code 11568 in?

ZIP code 11568 observes the EST timezone.