11947 ZIP Code — Jamesport, NY

Suffolk County, New York

ZIP code 11947 is located in Jamesport, New York, within Suffolk County. It covers approximately 0.03 square miles and serves a population of 153 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 631.

153

population

0.03

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

11947 ZIP code map

Cities in ZIP code 11947

Below are the cities the US Postal Service accepts for ZIP code 11947. Using any city not on this list may result in mail delivery delays.

City	Status
Jamesport	Acceptable

Demographics updated 06/2026

Population
Total population	153
Population density	5,100 / sq mi
State FIPS	36
County FIPS	103

Geography
Land area	0.03 sq mi
Water area	0.00 sq mi
Latitude	40.9488
Longitude	-72.5766
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	42.9%	22.6%	37.0%
$50k – $100k	0.0%	24.7%	27.0%
$100k – $200k	54.2%	34.6%	24.4%
Over $200k	2.9%	18.0%	11.5%

Demographics & statistics

153

Population

5,100

People per sq mi

0.0

Median age

Median household income

Per capita income

Median home value

Median monthly rent

100.0%

Home ownership

0.0%

Poverty rate

0.0%

Unemployment

142

Housing units

0.0%

Bachelor's or higher

Age distribution

Male Female

45–54

55–59

← Male

Female →

Age summary

Group	Count	%
Under 18	0	0.0%
18 and over	153	100.0%
65 and over	0	0.0%
Median age	0.0 years

Race & ethnicity

White 100%

Group	Count	%
White	153	100%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	42.9%	22.6%	37.0%
$50k – $100k	0.0%	24.7%	27.0%
$100k – $200k	54.2%	34.6%	24.4%
Over $200k	2.9%	18.0%	11.5%

$200k+ 100.0%

Range	% of households
$200k+	100.0%
Median income	$0

Housing

Home values

$500k–$1M 100.0%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$0
Owner occupied	100.0%
Renter occupied	0.0%
Vacant	51.4%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	2.22

Year built

Era	%
2020 or later	0.0%
2010–2019	48.6%
2000–2009	51.4%
1990–1999	0.0%
1980–1989	0.0%
1970–1979	0.0%
1960–1969	0.0%
1950–1959	0.0%
1940–1949	0.0%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	0.0%
3 bedrooms	100.0%
4 bedrooms	0.0%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	0.0%
2 vehicles	0.0%
3 or more	100.0%

Heating fuel

Fuel type	%
Utility gas	100.0%

Households & families

Household type	Count	%
Married-couple family	0	0.0%
Cohabiting couple	69	100.0%
Male householder, no spouse	0	0.0%
Female householder, no spouse	0	0.0%
Households with children under 18	0	0.0%
Households with seniors (65+)	0	0.0%
Average household size	2.22

Marital status

Status	Male	Female
Never married	0.0%	0.0%
Married	0.0%	0.0%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	100.0%	100.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 54.9%

Some college, no degree 45.1%

Associate's degree 0.0%

Bachelor's degree 0.0%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	0.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	0	0.0%
High school	0	0.0%
College / grad school	0	0.0%

Employment

Industry of employment

Manufacturing 54.9%

Construction 45.1%

Occupation

Category	%
Management, business & arts	45.1%
Service	0.0%
Sales & office	0.0%
Natural resources & construction	0.0%
Production & transportation	54.9%

Employment type

Type	%
Private sector	100.0%
Government	0.0%
Self-employed	0.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	100.0%
Carpool	0.0%
Public transit	0.0%
Walk	0.0%
Work from home	0.0%
Other means	0.0%
Avg commute (minutes)	0.0

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

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

Health indicators

Condition	%
Obesity	25.8%
High blood pressure	28.2%
High cholesterol	30.9%
Diabetes	7.7%
Heart disease	5.6%
Stroke	2.3%
Asthma	8.6%
Arthritis	19.7%
Kidney disease	2.5%
Pulmonary disease	4.9%
Cancer	7.4%

Behavior / access	%
Smoking	12.0%
Binge drinking	18.4%
No physical activity	19.5%
Less than 7 hrs sleep	32.1%
Depression	15.4%
Fair or poor health	9.0%
Poor mental health	11.6%
Poor physical health	7.6%
No health insurance	10.0%
Visited doctor (checkup)	78.4%
Visited dentist	72.8%
Cholesterol screening	93.2%
Teeth loss	8.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	0	0.0%

Disability	%
Any disability	0.0%
Under 18	0.0%
18–64 years	0.0%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	100.0%
Public insurance	0.0%
No insurance	0.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	153	100.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	153	100.0%
Born in same state	153	100.0%
Born in different state	153	100.0%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Technology access

Metric	% of households
Computer access	45.1%
Internet access	100.0%

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

Frequently asked questions about ZIP code 11947

What city is ZIP code 11947 in?

ZIP code 11947 is primarily assigned to Jamesport, New York.

What county is ZIP code 11947 in?

ZIP code 11947 falls within Suffolk County, New York.

What is the population of ZIP code 11947?

ZIP code 11947 has an estimated population of 153 residents, with a density of 4,500 people per square mile.

What timezone is ZIP code 11947 in?

ZIP code 11947 observes the EST timezone.