ZIP code · Saint Charles · South Dakota · United States
ZIP code 57571 — Saint Charles
ZIP code 57571 serves Saint Charles, South Dakota.
- Postal code
- 57571Single source Value from one source, not cross-checked.
- City
- Saint Charles
- County
- Gregory FIPS 46053
- State
- South Dakota
- Country
- United States
- Coordinates
- 43.0852, -99.0925 — precision precise (locality)
View on OpenStreetMap - Population
- 39 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 10.7 sq mi (27.6 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $15,533
- Median age
- 58.8
- Households
- 21
- Housing units
- 38
- Median home value
- $72,500
- Congressional district
- SD At-large (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 605 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 57571 with another ZIP · ZIPs within 25 miles · distance from 57571
Map of ZIP code 57571
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 11°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 31 | 36 | 47 | 58 | 69 | 80 | 87 | 85 | 76 | 62 | 47 | 34 |
| Avg low °F | 11 | 14 | 23 | 34 | 45 | 57 | 62 | 60 | 51 | 37 | 24 | 15 |
| Precip in | 0.4 | 0.7 | 1.4 | 3.1 | 4.3 | 3.9 | 3.2 | 2.8 | 2.9 | 2.0 | 0.9 | 0.3 |
NOAA 1991–2020 climate normals from the nearest station: BONESTEEL (7.1 mi) · NOAA NCEI
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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page