City in Shelby County, Ohio · 12 sq mi · 1,679 people per sq mi
About 20,000 people live in Sidney. The typical household earns $60,668, and the median resident is 40.7 years old.
2026 projection
From 20,541 in 2020
Poverty rate 14.17%
Men 39.4 · Women 41.9
1830–2026
20,094
2026 projection
2.2% since 2020 (decrease)
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.
1830–2026
20,094
2026 projection
2.2% since 2020 (decrease)
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 | 20,094 | -30 | 0.15% |
|---|---|---|---|
| 2025 | 20,124 | -297 | 1.45% |
| 2024 | 20,421 | +80 | 0.39% |
| 2023 | 20,341 | +40 | 0.20% |
| 2022 | 20,301 | -138 | 0.68% |
| 2021 | 20,439 | -102 | 0.50% |
| 2020 | 20,541 | +91 | 0.44% |
| 2019 | 20,450 | -48 | 0.23% |
| 2018 | 20,498 | -85 | 0.41% |
| 2017 | 20,583 | -32 | 0.16% |
Showing 10 of 35 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 205 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 7 residents
45% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 45% | 47% | 43% |
| Never married | 30% | 31% | 29% |
| Divorced | 16% | 17% | 14% |
| Widowed | 7% | 2% | 12% |
| Separated | 3% | 3% | 3% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau