Residential delivery area · New York
ZIP Code 13601: Watertown, NY
ZIP code 13601 uses the postal name Watertown, New York and lies mostly in Jefferson County (94% of its land) with the rest in Lewis County (Census 2020 ZIP-county file). About 37,000 people live there (Census Bureau, ACS 2020-2024), the more populous of Watertown's 2 residential ZIP codes. Median household income is $58,791 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Watertown (6%), Pamelia Center (1%) and Glen Park (under 1%); 92% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Watertown · 2 residential ZIPs
- County
- Jefferson County (94%); Lewis County (6%)
- Census places
- Watertown (6%); Pamelia Center (1%) census-designated place; Glen Park (under 1%)
- Metro area
- Watertown-Fort Drum, NY
- House districts
- NY-24 (92%), NY-21 (8%) 119th Congress, by share of land
- State
- New York
- Time zone
- Eastern
- Land area
- 140.7 sq mi · 262 people per sq mi
Where is ZIP code 13601?
13601 centers on 43.969°, -75.910° and covers 140.7 square miles of land plus 2.4 of water. It borders 12 ZIP codes: 13615, 13616, 13612, 13606, 13634, 13682, 13685, 13637, 13626, 13622 and more.
The map draws ZIP code areas only. For the streets inside 13601, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 13601 compare with the rest of Watertown?
| Measure | 13601 | In Watertown | In Jefferson County | In NY |
|---|---|---|---|---|
| People (ACS 2020-2024) | 36,839 | 1st of 2 | 1st of 43 | 162nd of 1,826 |
| Median household income | $59k | 2nd of 2 | 18th of 20 | 952nd of 1,081 |
| Median home value | $173k | 1st of 1 | 17th of 23 | 882nd of 1,172 |
Its median household income is higher than in 27% of U.S. residential ZIP codes, and it is denser than 66% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 13601?
The 2020 Census counted 37,287 people in 13601; the ACS, which samples households over 2020-2024, estimates 36,839. Between the 2010 and 2020 censuses its population fell 2.3% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 36,839
- 2020 Census count
- 37,287−2.3% since 2010 (38,158)
- Households
- 16,663
- Median age
- 35.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 13601?
Of the 36,839 people the ACS estimates in 13601, 23.2% are under 18 and 15.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.5%).
- Under 1823.2%
- 18 to 6461.2%
- 65 and older15.6%
- White, not Hispanic80.5%
- Other or two or more6.9%
- Hispanic or Latino6.2%
- Black, not Hispanic3.9%
- Asian, not Hispanic2.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 13601 earn?
Median household income is $58,791 (ACS 2020-2024), the 18th highest of the 20 ranked ZIP codes in Jefferson County. It is not measurably different from 2015-2019 ($56,396 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $58,791
- Income per person
- $34,835
- Below the poverty line
- 16.6%
- Unemployed (of the labor force)
- 5.7%
- Adults 25+ with a bachelor's degree
- 26.2%
- Adjusted gross income per tax return, 2022
- $60,33015,880 returns; wages 72% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 13601?
FHFA's house price index for 13601, built from repeat sales and appraisals of the same homes, rose 36% from 2015 to 2025 and rose 21% from 2020 to 2025, and moved +1.2% in 2025.
- Median home value (owners' estimate)
- $172,600
- Median gross rent
- $1,011
- Homes owned by their occupants
- 48.6%
- Housing units
- 18,739
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 13601?
1,162 business establishments had a location in this ZIP code in 2023, 63 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade247
- Health care and social assistance174
- Other services (except public administration)123
- Accommodation and food services119
- Construction76
- Professional, scientific, and technical services69
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 13601?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 13615 | Brownville | 700 | $102k | 4.4 mi |
| 13616 | Calcium | 1,430 | $46k | 5.0 mi |
| 13612 | Black River | 2,865 | $86k | 7.1 mi |
| 13606 | Adams Center | 2,468 | $89k | 8.6 mi |
| 13634 | Dexter | 3,570 | $92k | 8.6 mi |
| 13682 | Rodman | 854 | $80k | 8.7 mi |
| 13685 | Sackets Harbor | 2,362 | $80k | 9.2 mi |
| 13637 | Evans Mills | 5,212 | $57k | 9.9 mi |
| 13626 | Copenhagen | 2,202 | $65k | 12.4 mi |
| 13622 | Chaumont | 1,859 | $81k | 13.4 mi |
| 13656 | La Fargeville | 2,942 | $73k | 15.6 mi |
| 13619 | Carthage | 10,578 | $63k | 15.8 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.