ZIP code · Little Eagle · South Dakota · United States
ZIP code 57639 — Little Eagle
ZIP code 57639 serves Little Eagle, South Dakota.
- Postal code
- 57639Single source Value from one source, not cross-checked.
- City
- Little Eagle
- County
- Corson FIPS 46031
- State
- South Dakota
- Country
- United States
- Coordinates
- 45.6758, -100.8043 — precision precise (locality)
View on OpenStreetMap - Population
- 373 (ZCTA, ACS 5-year)
- Population density
- 189 / sq mi
- Land area
- 2 sq mi (5.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $22,125
- Per-capita income
- $4,095
- Median age
- 19.5
- Households
- 71
- Housing units
- 90
- Median gross rent
- $244 / month
- Congressional district
- SD At-large (119th Congress)
- USDA hardiness zone
- 4a (-30 to -25 °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 57639 with another ZIP · ZIPs within 25 miles · distance from 57639
Map of ZIP code 57639
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 4°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 24 | 28 | 42 | 56 | 68 | 78 | 85 | 84 | 74 | 57 | 41 | 29 |
| Avg low °F | 4 | 7 | 19 | 30 | 42 | 53 | 58 | 55 | 45 | 32 | 19 | 9 |
| Precip in | 0.5 | 0.5 | 0.9 | 1.7 | 3.2 | 3.3 | 3.0 | 2.5 | 1.4 | 1.8 | 0.7 | 0.6 |
NOAA 1991–2020 climate normals from the nearest station: MC LAUGHLIN (9.5 mi) · NOAA NCEI
Places in ZIP 57639
- 1 schools
- 1 post offices
- 1 places of worship
- 1 gas 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