| Place Name | Sidney |
| Place Type | City |
| ZIP Code(s) | 51652 |
| County | Fremont County |
| Area Code(s) | 712 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 1,048 |
| Population Growth Rate (2010-19) | -5.98% |
| Majority Ethnicity | White 94.72% |
| US Congressional District(s) | Iowa 3rd |
| State House Districts | 23 |
| State Senate Districts | 12 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 94.72% |
| African American | 0.65% |
| Hispanic | 0.43% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 4.2% |