ZIP code · Goodwin · South Dakota · United States
ZIP code 57238 — Goodwin
ZIP code 57238 serves Goodwin, South Dakota.
- Postal code
- 57238Single source Value from one source, not cross-checked.
- City
- Goodwin
- County
- Deuel FIPS 46039
- State
- South Dakota
- Country
- United States
- Coordinates
- 44.8754, -96.8608 — precision precise (locality)
View on OpenStreetMap - Population
- 317 (ZCTA, ACS 5-year)
- Population density
- 4 / sq mi
- Land area
- 73.7 sq mi (190.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $86,250
- Per-capita income
- $43,293
- Median age
- 42.6
- Households
- 156
- Housing units
- 172
- Median home value
- $215,200
- Median gross rent
- $783 / month
- 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/Chicago (UTC−6 / UTC−5 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 57238 with another ZIP · ZIPs within 25 miles · distance from 57238
Map of ZIP code 57238
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low 2°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 21 | 26 | 38 | 53 | 66 | 75 | 80 | 78 | 70 | 56 | 40 | 26 |
| Avg low °F | 2 | 7 | 18 | 31 | 44 | 55 | 60 | 58 | 49 | 35 | 21 | 9 |
| Precip in | 0.7 | 0.8 | 1.6 | 2.5 | 3.4 | 4.5 | 3.3 | 3.4 | 3.0 | 2.4 | 1.1 | 0.9 |
NOAA 1991–2020 climate normals from the nearest station: CLEAR LAKE (11.9 mi) · NOAA NCEI
Places in ZIP 57238
- 1 bars & pubs
- 1 playgrounds
- 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