ZIP code 57639
Where is ZIP code 57639?
Little Eagle, South Dakota
Corson County · PO Box only ZIP code
ZIP code 57639 belongs to Little Eagle, South Dakota in Corson County. 57639 is a PO Box only ZIP code: it is used for post office boxes at the Little Eagle post office, not for street addresses. It is in the Mountain Time zone and uses area code 605. About 290 people live in the 57639 area, where the median household income is $21,250. The closest ZIP codes are 57642 (Mc Laughlin, 10.6 mi west), 57658 (Wakpala, 13.2 mi east) and 57657 (Trail City, 14.6 mi south).
| ZIP code | 57639 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Little Eagle |
| State | South Dakota (SD) |
| County | Corson County |
| Time zone | Mountain Time · now |
| Area code | 605 |
| Coordinates | 45.6758, -100.8043 map |
| 3-digit prefix | 576 |
Population and income in 57639
| Population | 290 · lower than 72% of South Dakota ZIP codes |
|---|---|
| People per square mile | 147 · higher than 94% of South Dakota ZIP codes |
| Median age | 18.7 years · lower than 98% of South Dakota ZIP codes |
| Men / women | 52% / 48% |
| Median household income | $21,250 · lower than 98% of South Dakota ZIP codes |
| Income per person | $5,346 |
| Below the poverty line | 75% |
| Bachelor’s degree or higher | 0.0% of adults 25+ |
| Median rent | $243 a month |
| Housing units | 87 |
| Households | 72 (4.03 people on average) |
| Owners / renters | 11% / 89% |
| Land area | 1.98 sq mi (plus 0.12 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 57639. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 57639
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 57642 | Mc Laughlin, SD | 10.6 mi W | Standard |
| 57658 | Wakpala, SD | 13.2 mi E | Standard |
| 57657 | Trail City, SD | 14.6 mi S | Standard |
| 57621 | Bullhead, SD | 14.7 mi NW | PO Box only |
| 57630 | Glencross, SD | 16.7 mi S | Standard |
| 57601 | Mobridge, SD | 20.3 mi SE | Standard |
| 57659 | Walker, SD | 21.3 mi NW | Standard |
| 57656 | Timber Lake, SD | 22.5 mi SW | Standard |
| 57631 | Glenham, SD | 27.6 mi E | Standard |
| 57661 | Whitehorse, SD | 28.3 mi S | PO Box only |
| 57648 | Pollock, SD | 28.9 mi NE | Standard |
| 58538 | Fort Yates, ND | 29.6 mi N | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 57639 or measure the distance to another ZIP code.
How to address mail to 57639
PO BOX 123
LITTLE EAGLE SD 57639
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (57639-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 57639?
- 57639 is a Little Eagle, South Dakota ZIP code.
- What county is 57639 in?
- ZIP code 57639 is in Corson County, South Dakota.
- What time zone is ZIP code 57639 in?
- 57639 is in the Mountain Time zone (America/Denver).
- What area code is 57639?
- Phone numbers in ZIP code 57639 use area code 605.
- What is the population of ZIP code 57639?
- About 290 people live in ZIP code 57639, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 57639?
- The median household income in 57639 is $21,250 a year, lower than 98% of South Dakota ZIP codes.
- Can I use 57639 for a street address?
- No. 57639 is only for PO Boxes. Street addresses in Little Eagle use another ZIP code.
- What ZIP codes are near 57639?
- The nearest ZIP codes to 57639 are 57642 (Mc Laughlin, 10.6 miles), 57658 (Wakpala, 13.2 miles), 57657 (Trail City, 14.6 miles) and 57621 (Bullhead, 14.7 miles).