11803 ZIP Code — Plainview, NY

Nassau County, New York

ZIP code 11803 is located in Plainview, New York, within Nassau County. It covers approximately 6.16 square miles and serves a population of 30,298 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 516/631.

About ZIP code 11803

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 $690,900. Owner-occupancy is high at 93%, well above the national average.

The gap between median ($179,197) 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. 39% 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 36 minutes suggests many residents work outside the immediate area. Remote work is prevalent — 20% of workers work from home.

Educational attainment is high — 67% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 11803 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

30,298

population

6.16

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

11803 ZIP code map

Cities in ZIP code 11803

Below are the cities the US Postal Service accepts for ZIP code 11803. Using any city not on this list may result in mail delivery delays.

City	Status
Plainview	Acceptable

Demographics updated 06/2026

Population
Total population	30,298
Population density	4,919 / sq mi
State FIPS	36
County FIPS	059

Geography
Land area	6.16 sq mi
Water area	0.01 sq mi
Latitude	40.7824
Longitude	-73.4741
Timezone	Eastern (ET)
Area code	516/631

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.4%	20.1%	37.0%
$50k – $100k	14.3%	21.8%	27.0%
$100k – $200k	34.2%	33.1%	24.4%
Over $200k	36.2%	25.0%	11.5%

Demographics & statistics

30,298

Population

4,919

People per sq mi

44.9

Median age

$179,197

Median household income

$72,176

Per capita income

$690,900

Median home value

$2,660

Median monthly rent

93.0%

Home ownership

3.2%

Poverty rate

3.6%

Unemployment

10,032

Housing units

67.2%

Bachelor's or higher

Age distribution

Male Female

695

Under 5

711

1,075

5–9

1,101

1,017

10–14

1,040

911

15–19

933

845

20–24

865

969

25–34

992

1,989

35–44

2,035

1,987

45–54

2,033

1,166

55–59

1,194

927

60–64

948

1,955

65–74

2,002

829

75–84

849

608

85+

622

← Male

Female →

Age summary

Group	Count	%
Under 18	6,854	22.6%
18 and over	23,444	77.4%
65 and over	6,865	22.7%
Median age	44.9 years

Race & ethnicity

White 73.5%

Asian 18.1%

Hispanic or Latino 3.6%

Two or more races 2.5%

Other race 2%

Black or African American 0.3%

Group	Count	%
White	23,098	73.5%
Asian	5,683	18.1%
Hispanic or Latino	1,137	3.6%
Two or more races	795	2.5%
Other race	617	2%
Black or African American	93	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	15.4%	20.1%	37.0%
$50k – $100k	14.3%	21.8%	27.0%
$100k – $200k	34.2%	33.1%	24.4%
Over $200k	36.2%	25.0%	11.5%

Under $10k 1.4%

$10k–$15k 1.4%

$15k–$25k 3.2%

$25k–$35k 4.3%

$35k–$50k 2.9%

$50k–$75k 6.2%

$75k–$100k 6.6%

$100k–$150k 17.6%

$150k–$200k 13.1%

$200k+ 43.3%

Range	% of households
Under $10k	1.4%
$10k–$15k	1.4%
$15k–$25k	3.2%
$25k–$35k	4.3%
$35k–$50k	2.9%
$50k–$75k	6.2%
$75k–$100k	6.6%
$100k–$150k	17.6%
$150k–$200k	13.1%
$200k+	43.3%
Median income	$179,197

Housing

Home values

Under $50k 0.3%

$50k–$100k 0.6%

$100k–$150k 0.3%

$200k–$300k 0.1%

$300k–$500k 7.1%

$500k–$1M 80.5%

$1M+ 11.0%

Housing overview

Metric	Value
Median home value	$690,900
Median rent / month	$2,660
Owner occupied	93.0%
Renter occupied	7.0%
Vacant	3.9%
Single-family detached	86.8%
Large apartment buildings	2.4%
Mobile homes	0.0%
Median rooms	6.9
Avg household size (owned)	2.97

Year built

Era	%
2020 or later	1.3%
2010–2019	5.5%
2000–2009	4.9%
1990–1999	0.8%
1980–1989	3.3%
1970–1979	3.4%
1960–1969	15.0%
1950–1959	60.9%
1940–1949	2.0%
1939 or earlier	2.8%

Bedrooms

Size	% of units
No bedroom (studio)	3.6%
1 bedroom	0.7%
2 bedrooms	10.8%
3 bedrooms	51.0%
4 bedrooms	27.2%
5+ bedrooms	6.7%

Vehicles per household

Vehicles	% of households
No vehicle	6.4%
1 vehicle	20.0%
2 vehicles	49.6%
3 or more	24.0%

Heating fuel

Fuel type	%
Utility gas	56.9%
Electricity	7.3%
Propane / LP gas	0.9%
Fuel oil	33.7%
Solar	0.1%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	7,571	73.2%
Cohabiting couple	97	0.9%
Male householder, no spouse	748	7.2%
Female householder, no spouse	1,922	18.6%
Households with children under 18	3,850	37.2%
Households with seniors (65+)	4,569	44.2%
Average household size	2.90

Marital status

Status	Male	Female
Never married	27.2%	20.6%
Married	67.8%	62.5%
Separated	0.2%	0.7%
Widowed	2.5%	9.7%
Divorced	2.3%	6.6%

Education

Less than 9th grade 1.1%

Some HS, no diploma 1.7%

HS graduate 12.8%

Some college, no degree 11.9%

Associate's degree 5.4%

Bachelor's degree 32.9%

Graduate / professional 34.2%

Metric	%
HS diploma or higher	97.2%
Bachelor's or higher	67.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	615	7.8%
Kindergarten	296	3.7%
Elementary school	3,470	43.9%
High school	1,632	20.6%
College / grad school	1,899	24.0%

Employment

Industry of employment

Education & healthcare 34.0%

Professional & management 18.2%

Finance & real estate 12.8%

Retail trade 8.8%

Manufacturing 5.4%

Arts, food & hospitality 4.2%

Construction 3.5%

Other services 3.2%

Public administration 2.9%

Transportation & utilities 2.8%

Information 2.2%

Wholesale trade 2.1%

Occupation

Category	%
Management, business & arts	65.8%
Service	7.4%
Sales & office	20.7%
Natural resources & construction	2.8%
Production & transportation	3.3%

Employment type

Type	%
Private sector	73.6%
Government	21.4%
Self-employed	5.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	62.8%
Carpool	5.3%
Public transit	11.4%
Walk	0.1%
Work from home	20.2%
Other means	0.3%
Avg commute (minutes)	36.1

Poverty

All people 3.2%

Under 18 years 1.7%

18 and over 3.6%

Married-couple families 1.3%

Female-led households 2.4%

Income support

Source	% of households
Social Security	39.3%
Retirement income	30.3%
Supplemental Security	5.0%
Cash public assistance	1.0%
Food stamps / SNAP	1.9%

Health indicators

Condition	%
Obesity	21.1%
High blood pressure	28.7%
High cholesterol	35.1%
Diabetes	7.1%
Heart disease	5.4%
Stroke	2.2%
Asthma	7.9%
Arthritis	20.6%
Kidney disease	2.5%
Pulmonary disease	4.4%
Cancer	7.9%

Behavior / access	%
Smoking	8.9%
Binge drinking	14.3%
No physical activity	16.6%
Less than 7 hrs sleep	30.4%
Depression	14.3%
Fair or poor health	7.7%
Poor mental health	10.6%
Poor physical health	6.7%
No health insurance	7.1%
Visited doctor (checkup)	80.9%
Visited dentist	77.5%
Cholesterol screening	94.5%
Teeth loss	6.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	535	2.3%

Disability	%
Any disability	9.7%
Under 18	2.6%
18–64 years	4.0%
65 and over	30.8%

Health insurance coverage

Type	%
Private insurance	87.2%
Public insurance	26.2%
No insurance	2.1%
Uninsured under 19	3.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	28,892	95.4%
Spanish	1,913	6.6%
Other Indo-European	142	0.5%
Asian & Pacific Islander	648	2.2%
Other languages	1,103	3.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	25,369	83.7%
Born in same state	25,275	83.4%
Born in different state	23,582	77.8%
Foreign born	94	0.3%
Naturalized citizen	4,929	16.3%
Not a US citizen	3,460	70.2%

Ancestry

Ancestry	Count	%
Italian	2,444	8.1%
Arab	1,509	5%
French	443	1.5%
Norwegian	242	0.8%
Irish	213	0.7%

Ancestry	Count	%
Dutch	181	0.6%
Polish	32	0.1%
English	20	0.1%
German	7	0%

Technology access

Metric	% of households
Computer access	34.1%
Internet access	95.9%

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

Frequently asked questions about ZIP code 11803

What city is ZIP code 11803 in?

ZIP code 11803 is primarily assigned to Plainview, New York.

What county is ZIP code 11803 in?

ZIP code 11803 falls within Nassau County, New York.

How educated is the population of ZIP code 11803?

67% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 11803 mostly owner-occupied?

93% of occupied units in ZIP code 11803 are owner-occupied, well above the national average.

Does ZIP code 11803 have a large retiree population?

39% of households in ZIP code 11803 receive Social Security income, suggesting a significant retiree or disability population.

What is the median household income in ZIP code 11803?

The median household income in ZIP code 11803 is $179,197, above the national median of ~$75,000.

What timezone is ZIP code 11803 in?

ZIP code 11803 observes the EST timezone.