County · South Dakota · United States
Day County ZIP codes
7 ZIP codes · 7 cities · FIPS 46037
Key facts
- State
- South Dakota (SD)
- FIPS code
- 46037
- Population
- 5,460
- Median household income
- $62,270
- Median age
- 47.1
- Land area
- 1,028.5 sq mi (2,663.8 km²)
- Population density
- 5 / sq mi
- Area codes
- 605
Cities and ZIP codes in Day County (7)
| City | ZIP codes |
|---|---|
| Andover | 57422 |
| Bristol | 57219 |
| Grenville | 57239 |
| Pierpont | 57468 |
| Roslyn | 57261 |
| Waubay | 57273 |
| Webster | 57274 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.