11765 ZIP Code — Mill Neck, NY

Nassau County, New York

ZIP code 11765 is located in Mill Neck, New York, within Nassau County. It covers approximately 2.26 square miles and serves a population of 708 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 516.

About ZIP code 11765

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 $2,000,000. Owner-occupancy is high at 88%, 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 3% 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. The average commute of 32 minutes is near the national average.

Educational attainment is high — 80% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11765 reflects a community defined by a highly educated population, high homeownership, and a significant Social Security-dependent population.

708

population

2.26

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11765 ZIP code map

Cities in ZIP code 11765

Below are the cities the US Postal Service accepts for ZIP code 11765. Using any city not on this list may result in mail delivery delays.

City	Status
Mill Neck	Preferred

Nearby ZIP codes

11771 Oyster Bay (1.7 mi) 11709 Bayville (1.7 mi) 11560 Locust Valley (1.8 mi) 11732 East Norwich (2.9 mi) 11542 Glen Cove (3.5 mi) 11545 Glen Head (4.3 mi) 11791 Syosset (4.7 mi) 11579 Sea Cliff (5.2 mi) 11724 Cold Spring Harbor (5.7 mi) 11548 Greenvale (6 mi) 11753 Jericho (6.3 mi) 11853 Jericho (6.4 mi)

Demographics updated 05/2026

Population
Total population	708
Population density	313 / sq mi
State FIPS	36
County FIPS	059

Geography
Land area	2.26 sq mi
Water area	0.24 sq mi
Latitude	40.8834
Longitude	-73.5584
Timezone	Eastern (ET)
Area code	516

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.6%	20.1%	37.0%
$50k – $100k	5.0%	21.8%	27.0%
$100k – $200k	19.7%	33.1%	24.4%
Over $200k	61.6%	25.0%	11.5%

Demographics & statistics

708

Population

313

People per sq mi

48.0

Median age

$250,001

Median household income

$167,061

Per capita income

$2,000,000

Median home value

$3,083

Median monthly rent

87.7%

Home ownership

3.1%

Poverty rate

6.5%

Unemployment

231

Housing units

79.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	187	26.4%
18 and over	521	73.6%
65 and over	193	27.3%
Median age	48.0 years

Race & ethnicity

White 84.1%

Asian 8.6%

Two or more races 4.2%

Hispanic or Latino 3%

Group	Count	%
White	614	84.1%
Asian	63	8.6%
Two or more races	31	4.2%
Hispanic or Latino	22	3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.6%	20.1%	37.0%
$50k – $100k	5.0%	21.8%	27.0%
$100k – $200k	19.7%	33.1%	24.4%
Over $200k	61.6%	25.0%	11.5%

Under $10k 1.3%

$15k–$25k 5.1%

$25k–$35k 3.4%

$35k–$50k 3.4%

$50k–$75k 1.3%

$75k–$100k 6.4%

$100k–$150k 4.7%

$150k–$200k 16.6%

$200k+ 57.9%

Range	% of households
Under $10k	1.3%
$15k–$25k	5.1%
$25k–$35k	3.4%
$35k–$50k	3.4%
$50k–$75k	1.3%
$75k–$100k	6.4%
$100k–$150k	4.7%
$150k–$200k	16.6%
$200k+	57.9%
Median income	$250,001

Housing

Home values

$200k–$300k 1.0%

$300k–$500k 6.3%

$500k–$1M 18.9%

$1M+ 73.8%

Housing overview

Metric	Value
Median home value	$2,000,000
Median rent / month	$3,083
Owner occupied	87.7%
Renter occupied	12.3%
Vacant	9.6%
Single-family detached	98.1%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	2.99

Year built

Era	%
2020 or later	0.0%
2010–2019	1.2%
2000–2009	3.5%
1990–1999	5.0%
1980–1989	8.1%
1970–1979	8.8%
1960–1969	18.8%
1950–1959	10.4%
1940–1949	3.5%
1939 or earlier	40.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	0.0%
2 bedrooms	8.5%
3 bedrooms	21.9%
4 bedrooms	20.0%
5+ bedrooms	48.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	9.8%
2 vehicles	36.6%
3 or more	53.6%

Heating fuel

Fuel type	%
Utility gas	33.6%
Electricity	2.6%
Propane / LP gas	3.4%
Fuel oil	60.4%

Households & families

Household type	Count	%
Married-couple family	204	86.8%
Cohabiting couple	0	0.0%
Male householder, no spouse	14	6.0%
Female householder, no spouse	17	7.2%
Households with children under 18	89	37.9%
Households with seniors (65+)	128	54.5%
Average household size	3.01

Marital status

Status	Male	Female
Never married	17.4%	23.1%
Married	75.7%	70.1%
Separated	1.8%	0.0%
Widowed	0.0%	2.8%
Divorced	5.1%	3.9%

Education

Less than 9th grade 1.3%

Some HS, no diploma 3.2%

HS graduate 5.1%

Some college, no degree 7.2%

Associate's degree 3.8%

Bachelor's degree 32.8%

Graduate / professional 46.7%

Metric	%
HS diploma or higher	95.6%
Bachelor's or higher	79.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	2	1.1%
Kindergarten	5	2.6%
Elementary school	81	42.6%
High school	59	31.1%
College / grad school	43	22.6%

Employment

Industry of employment

Education & healthcare 27.4%

Professional & management 20.1%

Finance & real estate 13.5%

Construction 9.6%

Wholesale trade 6.6%

Arts, food & hospitality 5.3%

Public administration 5.0%

Other services 4.3%

Manufacturing 3.0%

Retail trade 2.6%

Agriculture & mining 2.0%

Information 0.7%

Occupation

Category	%
Management, business & arts	56.8%
Service	8.9%
Sales & office	24.8%
Natural resources & construction	9.6%
Production & transportation	0.0%

Employment type

Type	%
Private sector	83.8%
Government	7.3%
Self-employed	8.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.6%
Carpool	2.6%
Public transit	4.0%
Walk	5.0%
Work from home	12.9%
Other means	1.0%
Avg commute (minutes)	32.0

Poverty

All people 3.1%

Under 18 years 0.0%

18 and over 4.2%

Married-couple families 2.9%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.9%
Retirement income	22.6%
Supplemental Security	0.9%
Cash public assistance	0.0%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	21.4%
High blood pressure	28.8%
High cholesterol	36.8%
Diabetes	7.3%
Heart disease	5.0%
Stroke	2.1%
Asthma	8.0%
Arthritis	20.4%
Kidney disease	2.4%
Pulmonary disease	4.1%
Cancer	7.7%

Behavior / access	%
Smoking	7.8%
Binge drinking	13.9%
No physical activity	15.0%
Less than 7 hrs sleep	29.7%
Depression	14.4%
Fair or poor health	7.2%
Poor mental health	10.3%
Poor physical health	6.4%
No health insurance	6.3%
Visited doctor (checkup)	81.8%
Visited dentist	79.6%
Cholesterol screening	95.4%
Teeth loss	4.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	17	3.3%

Disability	%
Any disability	4.5%
Under 18	3.2%
18–64 years	5.2%
65 and over	4.7%

Health insurance coverage

Type	%
Private insurance	85.7%
Public insurance	24.7%
No insurance	1.6%
Uninsured under 19	3.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	669	94.5%
Spanish	31	4.6%
Other Indo-European	13	1.9%
Asian & Pacific Islander	0	0.0%
Other languages	18	2.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	626	88.4%
Born in same state	626	88.4%
Born in different state	514	72.6%
Foreign born	0	0.0%
Naturalized citizen	82	11.6%
Not a US citizen	45	54.9%

Ancestry

Ancestry	Count	%
Italian	99	14%
French	77	10.9%
Arab	50	7.1%
Polish	6	0.8%

Ancestry	Count	%
German	3	0.4%
Irish	3	0.4%
English	3	0.4%
Norwegian	3	0.4%

Technology access

Metric	% of households
Computer access	33.2%
Internet access	98.7%

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

Frequently asked questions about ZIP code 11765

What city is ZIP code 11765 in?

ZIP code 11765 is primarily assigned to Mill Neck, New York.

What county is ZIP code 11765 in?

ZIP code 11765 falls within Nassau County, New York.

How educated is the population of ZIP code 11765?

80% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 11765 have an older population?

27% of residents in ZIP code 11765 are 65 or older, above the national average of ~17%.

Is ZIP code 11765 mostly owner-occupied?

88% of occupied units in ZIP code 11765 are owner-occupied, well above the national average.

What is the median household income in ZIP code 11765?

The median household income in ZIP code 11765 is $250,001, above the national median of ~$75,000.

What timezone is ZIP code 11765 in?

ZIP code 11765 observes the EST timezone.