Residential delivery area · South Dakota
ZIP Code 57639: Little Eagle, SD
ZIP code 57639 is in Little Eagle, South Dakota, entirely in Corson County (Census 2020 ZIP-county file). About 290 people live there (Census Bureau, ACS 2020-2024). Median household income is $21,250 (Census Bureau, ACS 2020-2024). By Census place, 71% of its land lies in Little Eagle (a census-designated place); 29% is outside any Census place.
- ACS2020-24
- Census2020
- Town
- Little Eagle · its only residential ZIP
- County
- Corson County
- Census places
- Little Eagle census-designated place
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Mountain
- Land area
- 2.0 sq mi · 147 people per sq mi
Where is ZIP code 57639?
57639 centers on 45.679°, -100.807° and covers 2.0 square miles of land plus 0.1 of water. It borders 1 ZIP code: 57642.
The map draws ZIP code areas only. For the streets inside 57639, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 57639 compare with the rest of Corson County?
| Measure | 57639 | In Corson County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 290 | 9th of 15 | 267th of 375 |
| Median household income | $21k | not ranked | not ranked |
| Median home value | – | not ranked | not ranked |
57639's income and home value are not ranked: it has fewer than 1,000 residents (290). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 59% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 57639?
The 2020 Census counted 398 people in 57639; the ACS, which samples households over 2020-2024, estimates 290. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 290±84 (90% margin)
- 2020 Census count
- 398
- Households
- 72
- Median age
- 18.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 57639?
Of the 290 people the ACS estimates in 57639, 48.6% are under 18 and 5.5% are 65 or older. The largest group by race and Hispanic origin is Other or two or more (96.6%).
- Under 1848.6%
- 18 to 6445.9%
- 65 and older5.5%
- Other or two or more96.6%
- Hispanic or Latino1.7%
- White, not Hispanic1.7%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 57639 earn?
Median household income is $21,250 (ACS 2020-2024).
- Median household income
- $21,250±$16,663
- Income per person
- $5,346
- Below the poverty line
- 74.5%
- Unemployed (of the labor force)
- 55.1%
- Adults 25+ with a bachelor's degree
- 0.0%
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 57639?
- Median home value (owners' estimate)
- –
- Median gross rent
- $243
- Homes owned by their occupants
- 11.1%
- Housing units
- 87
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
Which ZIP codes are next to 57639?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57642 | McLaughlin | 1,969 | $59k | 8.9 mi |
| 57657 | Trail City | 247 | – | 11.1 mi (near) |
| 57658 | Wakpala | 319 | $23k | 11.8 mi (near) |
| 57621 | Bullhead | 294 | $33k | 14.7 mi (near) |
| 57659 | Walker | 16 | $103k | 20.2 mi (near) |
| 57656 | Timber Lake | 1,000 | $66k | 22.9 mi (near) |
| 57630 | Glencross | 11 | – | 23.9 mi (near) |
| 57631 | Glenham | 364 | $57k | 25.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.