ZIP code 57639: Little Eagle, SD
57639 is a ZIP code in Little Eagle, South Dakota, mainly in Corson County. About 290 people live here.
- Population
- 290
- Median household income
- $21,250
- Typical home value
- —
- Median rent
- $243gross, per month
- Median age
- 18.7
- Homeowners
- 11.1%of occupied homes
Shaded: ZIP code 57639's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57639 details
| City | Little Eagle |
|---|---|
| State | South Dakota |
| County | Corson County |
| Metro area | Not in a metro or micro area |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 2 sq mi, plus 0.1 sq mi of water |
| Population density | 146 people per sq mi |
| Bachelor's degree or higher | 0% of adults 25+ |
| Center coordinates | 45.67866, -100.80704 |
ZIP codes near 57639
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57642 | Mc Laughlin, SD | 8.9 mi | 1,969 |
| 57657 | Trail City, SD | 11.1 mi | 247 |
| 57658 | Wakpala, SD | 11.8 mi | 319 |
| 57621 | Bullhead, SD | 14.7 mi | 294 |
| 57659 | Walker, SD | 20.2 mi | 16 |
| 57656 | Timber Lake, SD | 22.9 mi | 1,000 |
| 57630 | Glencross, SD | 23.9 mi | 11 |
| 57631 | Glenham, SD | 25.4 mi | 364 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 57639
What city is ZIP code 57639?
ZIP code 57639 is in Little Eagle, SD, in Corson County.
What county is ZIP code 57639 in?
57639 is mainly in Corson County, South Dakota.
What is the population of ZIP code 57639?
About 290 people live in ZIP code 57639, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57639 in?
57639 is in Mountain Time (UTC−7). It observes daylight saving time.