ZIP code · Lemmon · South Dakota · United States
ZIP code 57638 — Lemmon
ZIP code 57638 serves Lemmon, South Dakota.
- Postal code
- 57638Single source Value from one source, not cross-checked.
- City
- Lemmon
- County
- Perkins FIPS 46105
- State
- South Dakota
- Country
- United States
- Coordinates
- 45.9159, -102.1928 — precision precise (locality)
View on OpenStreetMap - Population
- 1,963 (ZCTA, ACS 5-year)
- Population density
- 2 / sq mi
- Land area
- 1,012.4 sq mi (2,622 km²) (ZCTA, ACS 5-year)
- Median household income
- $58,672
- Per-capita income
- $30,920
- Median age
- 46.5
- Households
- 805
- Housing units
- 1,119
- Median home value
- $90,500
- Median gross rent
- $625 / 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/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 57638 with another ZIP · ZIPs within 25 miles · distance from 57638
Map of ZIP code 57638
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 29 | 33 | 45 | 58 | 69 | 79 | 87 | 86 | 77 | 60 | 44 | 32 |
| Avg low °F | 9 | 12 | 21 | 32 | 43 | 53 | 59 | 57 | 47 | 35 | 22 | 12 |
| Precip in | 0.3 | 0.5 | 0.8 | 1.7 | 2.8 | 3.0 | 2.8 | 2.1 | 1.5 | 1.5 | 0.6 | 0.4 |
NOAA 1991–2020 climate normals from the nearest station: LEMMON (2.4 mi) · NOAA NCEI
Places in ZIP 57638
- 4 schools
- 1 supermarkets
- 5 restaurants & cafés
- 1 bars & pubs
- 10 parks
- 1 playgrounds
- 1 libraries
- 1 post offices
- 5 places of worship
- 3 banks
- 2 gas stations
- 2 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