Village in Delaware County, New York · 2.4 sq mi · 1,498 people per sq mi
3,565 people live in Sidney. The typical household earns $50,208, and the median resident is 33 years old.
2026 projection
From 3,697 in 2020
Poverty rate 20.99%
Men 43.6 · Women 30.5
1890–2026
3,565
2026 projection
3.6% 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.
1890–2026
3,565
2026 projection
3.6% 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 | 3,565 | -23 | 0.64% |
|---|---|---|---|
| 2025 | 3,588 | -27 | 0.75% |
| 2024 | 3,615 | -32 | 0.88% |
| 2023 | 3,647 | -47 | 1.27% |
| 2022 | 3,694 | -28 | 0.75% |
| 2021 | 3,722 | +25 | 0.68% |
| 2020 | 3,697 | -35 | 0.94% |
| 2019 | 3,732 | -20 | 0.53% |
| 2018 | 3,752 | -20 | 0.53% |
| 2017 | 3,772 | -19 | 0.50% |
Showing 10 of 29 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.
Sidney has a population change lower than Delaware 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 39 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
38% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 38% | 39% | 38% |
| Never married | 40% | 41% | 38% |
| Divorced | 11% | 12% | 9% |
| Widowed | 7% | 6% | 9% |
| Separated | 5% | 4% | 5% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources