ZIP code · Belvidere · South Dakota · United States
ZIP code 57521 — Belvidere
ZIP code 57521 serves Belvidere, South Dakota.
- Postal code
- 57521Single source Value from one source, not cross-checked.
- City
- Belvidere
- County
- Jackson
- State
- South Dakota
- Country
- United States
- Coordinates
- 43.8860, -101.2387 — precision precise (locality)
View on OpenStreetMap - Population
- 245 (ZCTA, ACS 5-year)
- Median household income
- $50,521
- Median age
- 14.5
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page