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Sinai town, SD
ZIP 57061 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Working ClassLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 57061
57061 has a population of 220 with a median age of 24.9 yrs (50.0% male).
Health & Community Indicators in 57061
Historical Trends in 57061 (2020–Present)
Since 2020, population grew 52.8%, median income rose 21.7% (inflation-adjusted), home values increased 21.4%.
People & Community key statistics
| Population | |
|---|---|
| Population | 220 |
| Median age | 24.9 |
| Poverty rate | 1.4% |
| Demographics | |
|---|---|
| White | 91.8% |
| Hispanic | 8.6% |
| Black | 0.0% |
| Asian | 0.0% |
| Foreign-born | 12.5% |