City in Jefferson County, New York · 9 sq mi · 2,584 people per sq mi
23,341 people live in Watertown. The typical household earns $51,753, and the median resident is 35.7 years old.
2026 projection
From 24,685 in 2020
Poverty rate 20.09%
Men 33.6 · Women 37.9
1870–2026
23,341
2026 projection
5.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1870–2026
23,341
2026 projection
5.4% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 23,341 | -176 | 0.75% |
|---|---|---|---|
| 2025 | 23,517 | -340 | 1.43% |
| 2024 | 23,857 | -251 | 1.04% |
| 2023 | 24,108 | -282 | 1.16% |
| 2022 | 24,390 | -277 | 1.12% |
| 2021 | 24,667 | -18 | 0.07% |
| 2020 | 24,685 | -353 | 1.41% |
| 2019 | 25,038 | -543 | 2.12% |
| 2018 | 25,581 | -317 | 1.22% |
| 2017 | 25,898 | +28 | 0.11% |
Showing 10 of 31 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Watertown has a population change lower than Jefferson County, New York, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 244 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 5 residents
40% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 40% | 40% | 39% |
| Never married | 39% | 45% | 33% |
| Divorced | 14% | 11% | 18% |
| Widowed | 5% | 2% | 8% |
| Separated | 2% | 2% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources