Sidney is located in Perkins County, South Dakota. Sidney has a 2025 population of 9. Sidney is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 9 in 2020.
Data after 2023 is projected based on recent change
The racial composition of Sidney includes 100% White, and smaller percentages for and multiracial populations.
White (100.0%)
Race | Population | Percentage (of total) |
---|---|---|
White | 16 | 100% |
Married
Widowed
Divorced
Separated
Never Married