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New York ZIP Codes
Lewis County
Martinsburg, NY
13404
13404 ZIP Code — Martinsburg, NY
Lewis County, New York
ZIP code 13404 is located in
Martinsburg ,
New York ,
within Lewis County .
It covers approximately 1.65 square miles and serves a population of
127 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 315 .
13404 ZIP code map
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Cities in ZIP code 13404
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Demographics
updated 05/2026
Population
Total population
127
Population density
77 / sq mi
State FIPS
36
County FIPS
049
Geography
Land area
1.65 sq mi
Water area
0.00 sq mi
Latitude
43.7378
Longitude
-75.4700
Timezone
Eastern (ET)
Area code
315
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
69.8%
44.6%
37.0%
$50k – $100k
25.4%
34.3%
27.0%
$100k – $200k
4.8%
19.0%
24.4%
Over $200k
0.0%
2.1%
11.5%
Demographics & statistics
$0
Median household income
17.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 41 32.3%
18 and over 86 67.7%
65 and over 23 18.1%
Median age 41.5 years
Race & ethnicity
Group Count %
White 121 95.3%
Two or more races 6 4.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
69.8%
44.6%
37.0%
$50k – $100k
25.4%
34.3%
27.0%
$100k – $200k
4.8%
19.0%
24.4%
Over $200k
0.0%
2.1%
11.5%
Range % of households
$15k–$25k 50.0%
$35k–$50k 17.3%
$50k–$75k 13.5%
$75k–$100k 1.9%
$100k–$150k 17.3%
Median income $0
Housing
Housing overview
Metric Value
Median home value $84,400
Median rent / month $0
Owner occupied 67.3%
Renter occupied 32.7%
Vacant 0.0%
Single-family detached 100.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 5.8
Avg household size (owned) 2.97
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 13.5%
1970–1979 0.0%
1960–1969 0.0%
1950–1959 7.7%
1940–1949 1.9%
1939 or earlier 76.9%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 7.7%
3 bedrooms 61.5%
4 bedrooms 28.8%
5+ bedrooms 1.9%
Vehicles per household
Vehicles % of households
No vehicle 28.8%
1 vehicle 36.5%
2 vehicles 19.2%
3 or more 15.4%
Heating fuel
Fuel type %
Utility gas 1.9%
Propane / LP gas 40.4%
Fuel oil 50.0%
Wood 7.7%
Households & families
Household type Count %
Married-couple family 6 11.5%
Cohabiting couple 8 15.4%
Male householder, no spouse 12 23.1%
Female householder, no spouse 26 50.0%
Households with children under 18 18 34.6%
Households with seniors (65+) 18 34.6%
Average household size 2.44
Marital status
Status Male Female
Never married 15.2% 31.5%
Married 15.2% 11.1%
Separated 0.0% 0.0%
Widowed 26.1% 25.9%
Divorced 43.5% 31.5%
Education
Some college, no degree
0.0%
Graduate / professional
0.0%
Metric %
HS diploma or higher 91.4%
Bachelor's or higher 17.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 7 17.1%
Kindergarten 0 0.0%
Elementary school 14 34.1%
High school 20 48.8%
College / grad school 0 0.0%
Employment
Industry of employment
Transportation & utilities
20.8%
Education & healthcare
18.9%
Occupation
Category %
Management, business & arts 15.1%
Service 39.6%
Sales & office 9.4%
Natural resources & construction 28.3%
Production & transportation 7.5%
Employment type
Type %
Private sector 62.3%
Government 22.6%
Self-employed 15.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 77.4%
Carpool 17.0%
Public transit 0.0%
Walk 5.7%
Work from home 0.0%
Other means 0.0%
Avg commute (minutes) 11.2
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 42.3%
Retirement income 26.9%
Supplemental Security 23.1%
Cash public assistance 0.0%
Food stamps / SNAP 25.0%
Health indicators
Condition %
Obesity 32.0%
High blood pressure 30.7%
High cholesterol 30.7%
Diabetes 9.1%
Heart disease 6.5%
Stroke 3.0%
Asthma 10.3%
Arthritis 23.6%
Kidney disease 2.9%
Pulmonary disease 7.5%
Cancer 6.3%
Behavior / access %
Smoking 19.9%
Binge drinking 18.5%
No physical activity 25.5%
Less than 7 hrs sleep 34.3%
Depression 21.8%
Fair or poor health 13.6%
Poor mental health 15.2%
Poor physical health 10.3%
No health insurance 11.4%
Visited doctor (checkup) 76.4%
Visited dentist 60.5%
Cholesterol screening 89.6%
Teeth loss 15.8%
Veterans & disability
Veterans Count %
Civilian veterans 4 4.7%
Disability %
Any disability 20.5%
Under 18 0.0%
18–64 years 31.7%
65 and over 26.1%
Health insurance coverage
Type %
Private insurance 39.4%
Public insurance 72.4%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 120 94.5%
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) 127 100.0%
Born in same state 127 100.0%
Born in different state 127 100.0%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 16 12.6%
German 12 9.4%
Ancestry Count %
French 3 2.4%
Technology access
Metric % of households
Computer access 40.9%
Internet access 67.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 13404
What city is ZIP code 13404 in?
ZIP code 13404 is primarily assigned to Martinsburg, New York.
What county is ZIP code 13404 in?
ZIP code 13404 falls within Lewis County, New York.
Is ZIP code 13404 family-oriented?
32% of residents in ZIP code 13404 are under 18, reflecting a younger, family-oriented community.
Does ZIP code 13404 have a large retiree population?
42% of households in ZIP code 13404 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 13404?
The median home value in ZIP code 13404 is $84,400.
What is the population of ZIP code 13404?
ZIP code 13404 has an estimated population of 127 residents, with a density of 77 people per square mile.
What timezone is ZIP code 13404 in?
ZIP code 13404 observes the EST timezone.
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