Little Eagle, SD · standard
ZIP Code 57639
Corson County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 371
- 7/sq mi
- $21,250
- Median income
- 0.0%
- Bachelor's or higher
The verdict
Little Eagle pairs one of the lowest household incomes in the country, in a rural, renter-heavy area.
- 0th pct
- household income, US ZIPs
- 7
- people per sq mi
- 11%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57639 against every reporting US ZIP.
ZIP code 57639 is a sparsely populated ZIP (a standard USPS delivery area) in Little Eagle, Corson County, South Dakota, home to just 371 residents across 53.8 square miles, a density of 7 people per square mile, in the Denver time zone.
ZIP 57639 sits on the lower end of the income spectrum: median household income is $21,250 (72% below the South Dakota average), while per-capita income is $5,346. 74.5% of residents live below the poverty line, and the unemployment rate reads 55.1%. The typical home here is valued at -; renters pay a median of $243 monthly, and 11.1% of units are owner-occupied.
Formal educational attainment runs low here: just 0.0% of adults hold a bachelor's degree or higher, the median age is 18.7, and the average commute is -. Beyond these figures, 1 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Corson County, letting you compare 57639 to its immediate surroundings rather than a national baseline alone.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57639, Little Eagle, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
371
Population
53.8
Area (sq mi)
7
People / sq mi
Denver
Time Zone
standard
ZIP Type
Who lives in ZIP 57639?
18.7
Median Age
52.1%
Male
47.9%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$21,250
Median Household Income
-72% vs state
$5,346
Per Capita Income
74.5%
Poverty Rate
55.1%
Unemployment Rate
How ZIP 57639 ranks nationally
Little Eagle, SD household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$21,250 0th percentile higher than 0% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
87
Total Housing Units
72
Occupied Units
15
Vacant Units
4.03
Avg Household Size
Occupancy Type
$243
Median Rent
1983
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 57639 vs 57642 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 57642 | Mc Laughlin, SD | 1,917 | 7.5 mi |
More ZIP Codes in Corson County
Related Areas
Frequently Asked Questions
What county is ZIP code 57639 in? ▼
What is the population of ZIP code 57639? ▼
What is the median household income in ZIP 57639? ▼
What is the demographic makeup of ZIP 57639? ▼
What percentage of residents own vs. rent in ZIP 57639? ▼
What is the poverty rate in ZIP code 57639? ▼
Read our methodology to see how this data is sourced, computed, and verified.