US ZIP Code
57639

Little Eagle, SD

Corson County  ·  South Dakota

● Active
👥 373 Population ↓ 3% since 2019
💰 $22,125 Median HH Income
▼ 71% below avg ↑ 51% since 2019
🎂 19.5 Median Age ↓ 15% since 2019
🎓 12.8% College Grads
▼ 67% below avg
📊 74.7% Unemployment
▲ 1427% above avg ↑ 5% since 2019
ZIP Code Details
ZIP Code57639
CityLittle Eagle
StateSouth Dakota (SD)
CountyCorson County
Area Code605
Elevation1,651 ft
Latitude45.678661
Longitude-100.807036
TimezoneChicago (DST)
FIPS46031
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 47.2% (176) Female 52.8% (197) ♀

Race & Ethnicity

White: 1.1%Hispanic: 1.3%Race
White1.1%
Hispanic1.3%

Age Breakdown

Under 5
22%
5–17
24%
18–24
11%
25–44
25%
45–64
13%
65+
1%

Key Indicators

Median Age19.5 yrs ↓ 15% since 2019
Avg Household Size5.25
Below Poverty86.9% ▲ 769% above avg
College Grads12.8% ▼ 67% below avg
Unemployment74.7% ▲ 1427% above avg
HS Graduate75 (60%)
Some College21 (16.8%)
Associates13 (10.4%)
Bachelors16 (12.8%)

Education

HS Grad: 60%Some College: 16.8%Associates: 10.4%Bachelors: 12.8%Edu
HS Grad60.0%
Some College16.8%
Associates10.4%
Bachelors12.8%
Housing & Income

Housing Tenure

Owner: 14.1%Renter: 85.9%Tenure
Owner14.1%
Renter85.9%

Home Value Distribution

Under $50k
70%
$100k–150k
30%

Financials

Median HH Income$22,125 ▼ 71% below avg ↑ 51% since 2019
Median Rent$244/mo ↓ 30% since 2019
Total Units90
Vacant Units19
Avg HH Size5.25

Income Distribution

Under $25k
54%
$25k–50k
38%
$50k–75k
7%
Employment & Commute

How People Get to Work

Drove Alone
86%
Work From Home
14%

Commute Time

15–30 min
67%
Over 45 min
33%
Housing Stock

Year Built

1980s–1990s
50%
2000+
50%

Summary

Total Units90
Vacant19
Owner Occupied14.1%
Renter Occupied85.9%
Avg HH Size5.25
Frequently Asked Questions
ZIP code 57639 is in Little Eagle, SD, in Corson County.
ZIP code 57639 is located in South Dakota (SD).
ZIP code 57639 is in Corson County, SD.
ZIP 57639 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57639 is 373 people (ACS 2023).
The median household income in ZIP code 57639 is $22,125 (ACS 2023).
Home value data not available.
About ZIP Code 57639

ZIP code 57639 is located in Little Eagle, South Dakota, within Corson County. With a population of 373, this is a sparsely populated ZIP code with a young community — the median age is 19.5 years. Economically, 57639 is a lower-income ZIP code: the median household income of $22,125 is well below the national average.

Renters can expect to pay around $244 per month in median rent. This is predominantly a renter community, with 85.9% of occupied units rented — typical of urban and transitional neighborhoods.

The population of 57639 is racially diverse, with Hispanic as the largest group at 1.3%. Residents are less-educated — 12.8% hold a bachelor's degree or higher, which is well below the national average. Poverty affects a significant share of residents at 86.9%. Household income has grown by 51% since 2019.

The unemployment rate in 57639 stands at 74.7%, which is more than double the national average. About 14% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 86%.

Overall, ZIP code 57639 in Little Eagle, SD is characterized as lower-income, less-educated, and a young community.