Watertown, NY ZIP Codes
2 ZIP codes serve Watertown, New York: 13601 and 13603. Together they are home to 50,975 residents in 21,785 households. That is more than the 24,375 people counted inside Watertown city limits, because these ZIP codes reach past its boundary. Median household income ranges from $58,791 in 13601 to $62,500 in 13603.
Watertown city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 24,375 |
| Households | 11,867 |
| Median household income | $51,753 |
| Median home value | $158,600 |
| Median age | 35.7 |
| Median rent | $967 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 50,975 |
| Households (sum of ZIP codes) | 21,785 |
| Median household income, range across ZIP codes | $58,791 (13601) to $62,500 (13603) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $59,663 |
| Homeowners | 38.1% |
| Households with kids under 18 | 32.9% |
| Moved in the past year | 24.1% |
| Carrier routes in EDDM2GO's route library | 39 routes, 20,840 homes (2 of 2 ZIP codes) |
Top facts
- Highest median household income in Watertown: 13603 ($62,500)
- Most residents: 13601 (36,839 people)
- Highest homeownership: 13601 (48.6% own their home)
- Most households with kids: 13603 (53.3% of households)
- Most new movers: 13603 (39.6% moved in last year)
- Youngest median age: 13603 (24.0 years)
Every ZIP code in Watertown
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 13601 | Watertown | 36,839 | 16,663 | $58,791 | $172,600 | 48.6% | 26.6% | 18.2% | 33 | 18,396 | 6% of its land; mailing city |
| 13603 | Watertown | 14,136 | 5,122 | $62,500 | — | 4.0% | 53.3% | 39.6% | 6 | 3,978 | mailing city |
A ZIP code is listed for Watertown when at least 10% of its land lies inside Watertown city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Watertown. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Watertown.
Counties
- Jefferson County — 40 ZIP codes
Nearby cities sharing these ZIP codes
- Fort Drum — 2 ZIP codes
Price a mailing to Watertown ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Watertown, NY?
- 13601 and 13603. A ZIP code is listed for Watertown when at least 10% of its land lies inside Watertown city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Watertown.
- What is the population of Watertown, NY?
- The Census Bureau counts 24,375 residents inside Watertown city limits (ACS 2020–2024). The 2 ZIP codes that serve Watertown hold 50,975 residents in all.
- What is the median household income in Watertown, NY?
- $51,753 inside Watertown city limits, per the Census Bureau. Across its ZIP codes the medians run from $58,791 to $62,500.
- Which Watertown ZIP code has the highest median household income?
- 13603, at $62,500, among ZIP codes with at least 1,000 residents.
- How many carrier routes and mailboxes are in Watertown, NY?
- For the 2 of 2 ZIP codes in EDDM2GO's stored route library: 39 carrier routes reaching 20,840 residential and 1,537 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.