Town in Kennebec County, Maine · 42.2 sq mi · 118 people per sq mi
About 5,000 people live in Sidney town. The typical household earns $83,488, and the median resident is 43 years old.
2026 projection
From 4,658 in 2020
Poverty rate 6.43%
Men 38.7 · Women 44.8
2010–2026
4,964
2026 projection
6.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
4,964
2026 projection
6.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 4,964 | +35 | 0.71% |
|---|---|---|---|
| 2025 | 4,929 | +35 | 0.72% |
| 2024 | 4,894 | +41 | 0.84% |
| 2023 | 4,853 | +66 | 1.38% |
| 2022 | 4,787 | +62 | 1.31% |
| 2021 | 4,725 | +67 | 1.44% |
| 2020 | 4,658 | +190 | 4.25% |
| 2019 | 4,468 | +64 | 1.45% |
| 2018 | 4,404 | +38 | 0.87% |
| 2017 | 4,366 | +44 | 1.02% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 48 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 16 residents
69% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 69% | 71% | 67% |
| Never married | 14% | 15% | 12% |
| Divorced | 14% | 12% | 15% |
| Widowed | 4% | 2% | 6% |
| Separated | 0% | 0% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau