ZIP Code 13603 - Watertown New York
Overview
ZIP Code 13603 is located in Watertown New York. Portions of 13603 are also in Fort Drum and Black River and Le Ray. 13603 is entirely within Jefferson County. Regionally, 13603 is located in the Watertown Area.
ZIP Code 13603 Quick Stats
| ZIP Code Name | Watertown |
| Primary County | Jefferson County |
| ZIP Code Type | Standard |
| Population (2022) | 14,050 |
| Area Code(s) | 315 / 680 |
| Current Time | EDT |
ZIP Code 13603 Map
13603 Demographics
13603 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in New York based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 13603 is White. The current unemployment level in 13603 is 4.4%.
| Population | 14,050 |
| Population Growth Rate | 26.34% |
| Population Density | 2,930 People per Square Mile |
| Total Households | 3,511 |
| Median Household Income (2021) | $53,392 |
| Average Adjusted Gross Income (2021) | $134,260 |
| Current Unemployment Rate (May 2026) | 4.4% |
| Sales Tax Rate (2025) | 8% |
| Majority Race/Ethnicity | White - 63.1% |
13603 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 8,769 | 62.09% |
| Black | 1,478 | 10.46% |
| Hispanic | 3,216 | 22.77% |
| Asian | 345 | 2.44% |
| Native American | 88 | 0.62% |
| Hawaiian/Pac. Islander | 228 | 1.61% |
13603 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 501 | 13.58% |
| Bachelor Degree | 558 | 15.13% |
| High School Diploma | 1,033 | 28.01% |
| No High School Diploma | 13 | 0.35% |
| GED or Alternate | 165 | 4.47% |
| 1 or More Years of College | 669 | 18.14% |
| Associates Degree | 490 | 13.29% |
| Masters Degree | 128 | 3.47% |
| Professional Degree | 131 | 3.55% |
| Doctorate Degree | 0 | 0% |
13603 Geography
| Coordinates | 44.03791428, -75.79602814 |
| Adjacent ZIP Codes | |
| Cities/Towns in 13603 | |
| Region | Watertown Area |
| Metropolitan/Micropolitan Stat Area | Watertown-Fort Drum, NY |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 5 Square Miles |
13603 Schools
| School Districts in 13603 |
13603 Weather and Climate Data
| Plant Hardiness Zone | Zone 4b: -25F to -20F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfb - Humid Continental Mild Summer, Wet All Year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 83d - St. Lawrence Lowlands | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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