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New York ZIP Codes
Suffolk County
Peconic, NY
11958
11958 ZIP Code — Peconic, NY
Suffolk County, New York
ZIP code 11958 is located in
Peconic ,
New York ,
within Suffolk County .
It covers approximately 2.93 square miles and serves a population of
893 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 631 .
About ZIP code 11958
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $810,100. Owner-occupancy sits near the national average at 60%.
Median household income is $65,438. 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. The average commute of 19 minutes is near the national average.
Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.
19% of residents lack health insurance, above the national average.
11958 ZIP code map
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Cities in ZIP code 11958
Below are the cities the US Postal Service accepts for ZIP code 11958. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
893
Population density
305 / sq mi
State FIPS
36
County FIPS
103
Geography
Land area
2.93 sq mi
Water area
1.23 sq mi
Latitude
41.0453
Longitude
-72.4693
Timezone
Eastern (ET)
Area code
631
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
26.9%
22.6%
37.0%
$50k – $100k
39.1%
24.7%
27.0%
$100k – $200k
9.1%
34.6%
24.4%
Over $200k
24.9%
18.0%
11.5%
Demographics & statistics
$65,438
Median household income
$810,100
Median home value
$1,611
Median monthly rent
39.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 213 23.9%
18 and over 680 76.1%
65 and over 205 23.0%
Median age 47.5 years
Race & ethnicity
Group Count %
White 778 77.2%
Hispanic or Latino 115 11.4%
Other race 100 9.9%
Two or more races 15 1.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
26.9%
22.6%
37.0%
$50k – $100k
39.1%
24.7%
27.0%
$100k – $200k
9.1%
34.6%
24.4%
Over $200k
24.9%
18.0%
11.5%
Range % of households
$15k–$25k 6.3%
$25k–$35k 5.7%
$35k–$50k 22.1%
$50k–$75k 24.5%
$75k–$100k 7.6%
$100k–$150k 24.7%
$150k–$200k 4.4%
$200k+ 4.7%
Median income $65,438
Housing
Housing overview
Metric Value
Median home value $810,100
Median rent / month $1,611
Owner occupied 59.9%
Renter occupied 40.1%
Vacant 36.6%
Single-family detached 95.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 6.3
Avg household size (owned) 2.52
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 30.7%
1990–1999 13.0%
1980–1989 3.3%
1970–1979 12.4%
1960–1969 5.9%
1950–1959 22.6%
1940–1949 0.8%
1939 or earlier 11.2%
Bedrooms
Size % of units
No bedroom (studio) 1.5%
1 bedroom 19.6%
2 bedrooms 11.6%
3 bedrooms 32.3%
4 bedrooms 35.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 29.9%
2 vehicles 50.3%
3 or more 19.8%
Heating fuel
Fuel type %
Utility gas 25.0%
Electricity 4.4%
Propane / LP gas 1.3%
Fuel oil 68.0%
Households & families
Household type Count %
Married-couple family 197 51.3%
Cohabiting couple 0 0.0%
Male householder, no spouse 26 6.8%
Female householder, no spouse 161 41.9%
Households with children under 18 75 19.5%
Households with seniors (65+) 148 38.5%
Average household size 2.33
Marital status
Status Male Female
Never married 25.5% 29.0%
Married 66.0% 43.7%
Separated 0.0% 0.0%
Widowed 6.9% 24.5%
Divorced 1.6% 2.8%
Education
Less than 9th grade
14.7%
Some college, no degree
9.7%
Graduate / professional
18.5%
Metric %
HS diploma or higher 85.3%
Bachelor's or higher 39.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 38 21.0%
Elementary school 83 45.9%
High school 54 29.8%
College / grad school 6 3.3%
Employment
Industry of employment
Education & healthcare
19.2%
Arts, food & hospitality
18.1%
Agriculture & mining
17.5%
Professional & management
16.9%
Finance & real estate
3.3%
Public administration
3.1%
Occupation
Category %
Management, business & arts 46.4%
Service 28.9%
Sales & office 1.9%
Natural resources & construction 12.8%
Production & transportation 10.0%
Employment type
Type %
Private sector 96.9%
Government 3.1%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 74.4%
Carpool 0.0%
Public transit 0.0%
Walk 7.8%
Work from home 17.8%
Other means 0.0%
Avg commute (minutes) 19.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 38.5%
Retirement income 16.9%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 1.3%
Health indicators
Condition %
Obesity 25.7%
High blood pressure 31.8%
High cholesterol 35.6%
Diabetes 8.7%
Heart disease 6.4%
Stroke 2.7%
Asthma 8.6%
Arthritis 22.8%
Kidney disease 2.9%
Pulmonary disease 5.5%
Cancer 8.7%
Behavior / access %
Smoking 10.7%
Binge drinking 16.5%
No physical activity 19.4%
Less than 7 hrs sleep 31.2%
Depression 14.8%
Fair or poor health 9.4%
Poor mental health 10.8%
Poor physical health 8.0%
No health insurance 9.1%
Visited doctor (checkup) 80.8%
Visited dentist 74.4%
Cholesterol screening 94.6%
Teeth loss 8.2%
Veterans & disability
Veterans Count %
Civilian veterans 43 6.3%
Disability %
Any disability 5.0%
Under 18 0.0%
18–64 years 0.0%
65 and over 22.0%
Health insurance coverage
Type %
Private insurance 67.6%
Public insurance 25.6%
No insurance 18.5%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 855 95.7%
Spanish 100 11.7%
Other Indo-European 100 11.7%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 725 81.2%
Born in same state 687 76.9%
Born in different state 662 74.1%
Foreign born 38 4.3%
Naturalized citizen 168 18.8%
Not a US citizen 68 40.5%
Ancestry
Ancestry Count %
Italian 445 49.8%
Arab 64 7.2%
Ancestry Count %
French 16 1.8%
English 5 0.6%
Technology access
Metric % of households
Computer access 43.0%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 11958
What city is ZIP code 11958 in?
ZIP code 11958 is primarily assigned to Peconic, New York.
What county is ZIP code 11958 in?
ZIP code 11958 falls within Suffolk County, New York.
Does ZIP code 11958 have a large retiree population?
39% of households in ZIP code 11958 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 11958?
The median home value in ZIP code 11958 is $810,100.
What is the population of ZIP code 11958?
ZIP code 11958 has an estimated population of 893 residents, with a density of 305 people per square mile.
What is the median household income in ZIP code 11958?
The median household income in ZIP code 11958 is $65,438, below the national median of ~$75,000.
What timezone is ZIP code 11958 in?
ZIP code 11958 observes the EST timezone.
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