ZIP code · Davis · South Dakota · United States
ZIP code 57021 — Davis
ZIP code 57021 serves Davis, South Dakota.
- Postal code
- 57021Single source Value from one source, not cross-checked.
- City
- Davis
- County
- Turner FIPS 46125
- State
- South Dakota
- Country
- United States
- Coordinates
- 43.2864, -96.9792 — precision precise (locality)
View on OpenStreetMap - Population
- 356 (ZCTA, ACS 5-year)
- Population density
- 12 / sq mi
- Land area
- 30 sq mi (77.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $74,594
- Per-capita income
- $42,130
- Median age
- 45.8
- Households
- 139
- Housing units
- 145
- 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 57021 with another ZIP · ZIPs within 25 miles · distance from 57021
Map of ZIP code 57021
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 7°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 32 | 45 | 59 | 70 | 80 | 84 | 82 | 75 | 62 | 45 | 31 |
| Avg low °F | 7 | 11 | 23 | 34 | 47 | 58 | 62 | 59 | 50 | 36 | 23 | 12 |
| Precip in | 0.4 | 0.6 | 1.4 | 2.7 | 3.9 | 4.3 | 3.0 | 3.2 | 3.1 | 2.3 | 1.2 | 0.7 |
NOAA 1991–2020 climate normals from the nearest station: CENTERVILLE 6 SE (17.3 mi) · NOAA NCEI
Places in ZIP 57021
- 1 post offices
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