ZIP code · Wasta · South Dakota · United States
ZIP code 57791 — Wasta
ZIP code 57791 serves Wasta, South Dakota.
- Postal code
- 57791Single source Value from one source, not cross-checked.
- City
- Wasta
- County
- Pennington FIPS 46103
- State
- South Dakota
- Country
- United States
- Coordinates
- 44.2250, -102.4311 — precision precise (locality)
View on OpenStreetMap - Population
- 137 (ZCTA, ACS 5-year)
- Population density
- 0 / sq mi
- Land area
- 288.6 sq mi (747.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $41,250
- Per-capita income
- $27,832
- Median age
- 51.6
- Households
- 62
- Housing units
- 85
- Median home value
- $120,000
- Congressional district
- SD At-large (119th Congress)
- USDA hardiness zone
- 4b (-25 to -20 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 605Telephone 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 57791 with another ZIP · ZIPs within 25 miles · distance from 57791
Map of ZIP code 57791
Climate — monthly normals
Warmest month Jul (avg high 88°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 32 | 36 | 47 | 58 | 68 | 79 | 88 | 87 | 78 | 61 | 46 | 35 |
| Avg low °F | 10 | 12 | 22 | 31 | 43 | 53 | 60 | 57 | 47 | 34 | 21 | 13 |
| Precip in | 0.5 | 0.6 | 1.0 | 2.0 | 3.9 | 3.1 | 2.1 | 1.6 | 1.3 | 1.6 | 0.6 | 0.5 |
NOAA 1991–2020 climate normals from the nearest station: ELM SPRINGS 3 ESE (6.7 mi) · NOAA NCEI
Places in ZIP 57791
- 3 schools
- 1 bars & pubs
- 1 parks
- 1 post offices
- 2 places of worship
- 1 gas stations
- 1 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
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