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 High-density area
- $62,500
- Median income Near-median income area
- 36.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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 average New York ZIP), while per-capita income is $25,708. The poverty rate is 11.6%, with unemployment at 3.8%; those measures add context to the income figure. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.
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 -. The page also surfaces 9 ZIP codes within roughly 10 miles and 6 more in Jefferson County, so 13603 can be compared with both its immediate and county-level context.
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
Who lives in ZIP 13603?
24.0
Median Age
53.6%
Male
46.4%
Female
8.6%
Foreign-Born
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 ZIP avg
$25,708
Per Capita Income
11.6%
Poverty Rate
3.8%
Unemployment Rate
How ZIP 13603 ranks among New York ZIPs
Watertown, NY household income vs. every New York ZIP code
Median household income among 1,626 reporting New York ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$62,500 19th percentile higher than 19% of 1,626 New York ZIPs
Each bar is a $20K-wide band; taller bars hold more New York 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
5,299housing units
5,299
Total Housing Units
5,122
Occupied Units
177
Vacant Units
2.76
Avg Household Size
Occupancy Type
$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.
- 13601
Watertown (13601)
38,158 residents
- 13603 9,760
Watertown (13603)
9,760 residents
- 13637 4,491
Evans Mills (13637)
4,491 residents
- 13602 3,881
Fort Drum (13602)
3,881 residents
- 13612 2,852
Black River (13612)
2,852 residents
- 13673 2,249
Philadelphia (13673)
2,249 residents
- 13616 1,880
Calcium (13616)
1,880 residents
- 13638 378
Felts Mills (13638)
378 residents
- 13628 220
Deferiet (13628)
220 residents
What this shows Among its immediate neighbors, ZIP 13603 ranks #2 by population - useful context the national average alone can't give.
ZIP 13603 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 13643
Great Bend (13643)
$100,625 median income
- 13612
Black River (13612)
$85,658 median income
- 13673
Philadelphia (13673)
$81,167 median income
- 13638
Felts Mills (13638)
$62,955 median income
- 13603
Watertown (13603)
$62,500 median income
- 13601
Watertown (13601)
$58,791 median income
- 13628
Deferiet (13628)
$58,125 median income
- 13637
Evans Mills (13637)
$57,103 median income
- 13616
Calcium (13616)
$45,962 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.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 13603, both outside NY so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (9,760 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Jefferson County
Related Areas
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.
Related
Take this with you
What to do with ZIP 13603's numbers, next.
- See how ZIP 13603 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Watertown, NY ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.