PlainZIP

Watertown, NY · standard

ZIP Code 13603

Jefferson County, New York - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

9,760
691/sq mi
$62,500
Median income
36.8%
Bachelor's or higher

The verdict

Watertown pairs a below-median household income, in a low-density, renter-heavy area.

34th pct
household income, US ZIPs
691
people per sq mi
4%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 13603 against every reporting US ZIP.

ZIP code 13603 is a mid-sized community (a standard USPS delivery area) in Watertown, Jefferson County, New York, home to 9,760 residents across 14.1 square miles, a density of 691 people per square mile, in the New York time zone.

ZIP 13603 reports a modest median household income of $62,500 (32% below the New York average), while per-capita income is $25,708. Poverty here runs at 11.6%, with unemployment measured at 3.8%. On housing, the median home value is - with median rent at $1,627 per month, and 4.0% of occupied units are owner-occupied.

A solid share of residents have a four-year degree: 36.8% of adults hold a bachelor's degree or higher, the median age is 24, and the average commute is -. A geography-based comparison follows: 9 ZIP codes within about 10 miles of 13603, plus 6 more within Jefferson County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 13603, Watertown, NY · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

9,760

Population

14.1

Area (sq mi)

691

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 13603?

24.0

Median Age

53.6%

Male

46.4%

Female

8.6%

Foreign-Born

White 67.7%
African American 9.8%
Asian 4.4%
American Indian or Alaska Native 1.2%
Native Hawaiian or Pacific Islander 0.2%
Two or More Ethnicities 11.1%
Hispanic or Latino 19.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$62,500

Median Household Income

-32% vs state

$25,708

Per Capita Income

11.6%

Poverty Rate

3.8%

Unemployment Rate

How ZIP 13603 ranks nationally

Watertown, NY household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$62,500 34th percentile higher than 34% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 54.1%
Bachelor's Degree or Higher 36.8%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

5,299

Total Housing Units

5,122

Occupied Units

177

Vacant Units

2.76

Avg Household Size

Occupancy Type

Owner 4.0%
Renter 96.0%

$1,627

Median Rent

2004

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 7 business establishments in ZIP 13603, employing approximately 48 people with a combined annual payroll of $1,531,000.

7

Businesses

48

Employees

$1.5M

Annual Payroll

1

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 3 42.9%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 13603 vs 13602 →

ZIP 13603 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 13603 ranks #2 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 13603 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 13603 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
13602 Fort Drum, NY 3,881 1.9 mi
13638 Felts Mills, NY 378 2.7 mi
13616 Calcium, NY 1,880 3.1 mi
13612 Black River, NY 2,852 3.6 mi
13643 Great Bend, NY 19 4.0 mi
13637 Evans Mills, NY 4,491 4.4 mi
13628 Deferiet, NY 220 5.7 mi
13601 Watertown, NY 38,158 7.2 mi
13673 Philadelphia, NY 2,249 9.8 mi

More ZIP Codes in Jefferson County

13601 standard
Watertown, NY
Pop: 38,158
13619 standard
Carthage, NY
Pop: 10,901
13624 standard
Clayton, NY
Pop: 5,457
13605 standard
Adams, NY
Pop: 4,777
13637 standard
Evans Mills, NY
Pop: 4,491
13634 standard
Dexter, NY
Pop: 3,984

Related Areas

Jefferson County Watertown, NY New York

Frequently Asked Questions

What county is ZIP code 13603 in? ▼
ZIP code 13603 (Watertown) is located in Jefferson County, New York. Jefferson County contains multiple ZIP codes, see the full list at /counties/jefferson-ny.
What is the population of ZIP code 13603? ▼
ZIP code 13603 in Watertown, NY has a population of 9,760 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 13603? ▼
The median household income in ZIP 13603 is $62,500, which is 18% below the national average of $76,288.
What is the demographic makeup of ZIP 13603? ▼
The largest racial group in ZIP 13603 is White at 67.7%. Hispanic or Latino residents make up 19.9% of the population.
How many businesses are in ZIP code 13603? ▼
ZIP code 13603 has 7 business establishments employing approximately 48 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 13603? ▼
In ZIP code 13603, 54.1% of residents aged 25+ have a high school diploma or higher, and 36.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 13603? ▼
In ZIP code 13603, approximately 4.0% of occupied housing units are owner-occupied and 96.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 13603? ▼
The poverty rate in ZIP code 13603 is 11.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.