Postal Codes

13603 ZIP Code

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ZIP code 13603 covers Watertown, New York, with a population of about 13,973 and a median household income of $64,028.

Population
13,9732,524 per square mile
Median age
24.414.3 points below the US average
Median household income
$64,02824% below the New York median
Poverty rate
8.1%4.3 points below the US average
Median rent
$1,567about the New York median
Degree or higher
39.2%4.2 points above the US average
Homeownership
3.3%61.7 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
5

Where 13603 is

Watertown, New York — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population13,973
Median age24.4
Family households84.9%
Born outside the US8.8%
Speaks a language other than English at home19.7%
White (non-Hispanic)60.3%
Black (non-Hispanic)11%
Asian (non-Hispanic)4.1%
Hispanic or Latino18.7%
Veterans14.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$64,028
Income per person$26,183
Poverty rate8.1%
Households on SNAP or cash assistance4.7%

Household income distribution

Under $10k3.6%
$10–15k2.4%
$15–20k2.1%
$20–25k1.4%
$25–30k5.6%
$30–35k3.6%
$35–40k9.6%
$40–45k4.6%
$45–50k5.1%
$50–60k8.8%
$60–75k10.5%
$75–100k15.4%
$100–125k12.5%
$125–150k6.0%
$150–200k8.6%
$200k or more0.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed3,440
Mean adjusted gross income$51,421
Returns declaring $200,000 or more0%
Returns, under $25k18.0%
Returns, $25k–$50k39.2%
Returns, $50k–$75k24.4%
Returns, $75k–$100k9.9%
Returns, $100k–$200k8.4%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$1,567
Rent as a share of household income30%
Owner-occupied3.3%
Vacant homes4.2%
Median year built2003

What the homes are

Detached house13.3%
Attached house40.1%
2 to 4 units35.9%
5 to 19 units4.6%
20 or more units6%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.7%
Bachelor's degree or higher39.2%
High school diploma or higher97.6%
Works from home8.1%
Drives to work alone81.6%
Takes public transport0%
Commutes 45 minutes or more2.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36% 2.6 pts above the national average of 33.4%
Diagnosed diabetes3.6% 8.4 pts below the national average of 12%
Currently smokes11.7% 1.5 pts below the national average of 13.2%
High blood pressure15.7% 18.4 pts below the national average of 34.1%
Fair or poor general health12.8% 7.5 pts below the national average of 20.3%
No health insurance (18–64)8.3% 3 pts below the national average of 11.3%
Depression22% same as the national average of 21.9%
No leisure-time physical activity20.7% 4.7 pts below the national average of 25.4%
Arthritis9.2% 15.9 pts below the national average of 25.1%
Binge drinking25.9% 9.9 pts above the national average of 16%
Taking blood pressure medication41.7% 33 pts below the national average of 74.7%
Cancer (non-skin)1.8% 5.9 pts below the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease1.4% 4.8 pts below the national average of 6.2%
Routine check-up in past year72.6% 4.1 pts below the national average of 76.7%
Cholesterol screening78.7% 7.2 pts below the national average of 85.9%
Cognitive disability15.7% 0.9 pts above the national average of 14.8%
Colorectal screening46.4% 17.9 pts below the national average of 64.3%
COPD2.6% 4 pts below the national average of 6.6%
Visited a dentist55.5% 5.8 pts below the national average of 61.3%
Any disability23% 7.7 pts below the national average of 30.7%
Lacks emotional support27% 2.2 pts above the national average of 24.8%
Food insecurity17.8% 0.7 pts above the national average of 17.1%
Received food stamps15.7% 1.4 pts above the national average of 14.3%
Hearing disability2.3% 4.4 pts below the national average of 6.7%
High cholesterol17.6% 18.6 pts below the national average of 36.2%
Housing insecurity17.5% 3.7 pts above the national average of 13.8%
Independent living disability7.2% 1.2 pts below the national average of 8.4%
Lacks transport10.9% 1.7 pts above the national average of 9.2%
Loneliness37.9% 3.5 pts above the national average of 34.4%
Mammography use74.2% 1.7 pts below the national average of 75.9%
Poor mental health (14+ days)21% 4.2 pts above the national average of 16.8%
Mobility disability4.5% 9.5 pts below the national average of 14%
Poor physical health (14+ days)8.8% 4.7 pts below the national average of 13.5%
Self-care disability1.8% 2.2 pts below the national average of 4%
Utility shut-off threat10% 1.2 pts above the national average of 8.8%
Sleeps under 7 hours46.2% 9.8 pts above the national average of 36.4%
Stroke1% 2.4 pts below the national average of 3.4%
All natural teeth lost17.3% 4.3 pts above the national average of 13%
Vision disability3.5% 2.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments5
People employed39
Annual payroll$1,306,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 10.3% of US census tracts
FEMA ratingVery Low
Expected annual loss19.7 out of 100
Community resilience50.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather93.3Very High at its worst in this ZIP code
Ice storm75.4Relatively Moderate at its worst in this ZIP code
Strong wind70.8Relatively Moderate at its worst in this ZIP code
Cold wave58.8Relatively Moderate at its worst in this ZIP code
Wildfire51.6Very Low at its worst in this ZIP code
Lightning42.3Relatively Moderate at its worst in this ZIP code
Earthquake38.7Relatively Low at its worst in this ZIP code
Hurricane38Very Low at its worst in this ZIP code
Landslide30.2Very Low at its worst in this ZIP code
Tornado27.1Relatively Low at its worst in this ZIP code
River flooding20.6Relatively Low at its worst in this ZIP code
Heat wave9.1Very Low at its worst in this ZIP code
Hail6Very Low at its worst in this ZIP code
Compared with New York and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew YorkUnited States
Median household income$64,028$84,578$78,538
Income per person$26,183$49,520$43,289
Poverty rate8.1%13.7%12.4%
Median home value$403,000$303,400
Median gross rent$1,567$1,576$1,348
Homeownership3.3%54.3%65%
Bachelor's degree or higher39.2%39.6%35%
Unemployment rate6.7%6.2%5.2%
Works from home8.1%13.3%13.5%
Born outside the US8.8%22.6%13.9%
Median age24.439.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWATERTOWN, NY US7.7 km away
Rain in a year44 in
Snow in a year116 in

Average high and low by month

January28.9°F / 10.7°F3.58 in rain, 34 in snow
February30.9°F / 11.7°F2.88 in rain, 29.6 in snow
March39.6°F / 21.6°F2.75 in rain, 13.6 in snow
April53.5°F / 34.5°F3.53 in rain, 2.7 in snow
May66.9°F / 47.2°F3.65 in rain
June75.3°F / 56.9°F3.71 in rain
July79.8°F / 62°F3.47 in rain
August78.7°F / 60.5°F3.84 in rain
September71.8°F / 52.3°F3.85 in rain
October58.6°F / 41°F5.01 in rain, 0.5 in snow
November46.4°F / 30.5°F4.24 in rain, 9.1 in snow
December34.9°F / 19.7°F3.85 in rain, 26.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket99% of this ZIP code's area
Far from a supermarket99% of this ZIP code's area
No vehicle and far from a supermarket1% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Carthage Central School District54.3% of this ZIP code's land area
Indian River Central School District45.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability38more vulnerable than 38% of US census tracts
Socioeconomic status47more vulnerable than 47% of US census tracts
Household characteristics9more vulnerable than 9% of US census tracts
Racial and ethnic minority status58more vulnerable than 58% of US census tracts
Housing type and transport51more vulnerable than 51% of US census tracts
Walkability4.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

13682 Rodman, NY5.5 km away
13601 Watertown, NY7.4 km away
13606 Adams Center, NY10 km away
13615 Brownville, NY13 km away
13612 Black River, NY13.3 km away
13616 Calcium, NY13.6 km away
13605 Adams, NY16.7 km away
13659 Lorraine, NY16.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Jefferson County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area5.54 sq mi
Water area0.03 sq mi
Population density2,524 people per sq mi
Latitude, longitude43.9087, -75.8967

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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