US ZIP Code
57772

Porcupine, SD

Oglala Lakota County County  ·  South Dakota

● Active
👥 1,057 Population ↓ 55% since 2019
💰 $21,420 Median HH Income
▼ 72% below avg ↑ 8% since 2019
🎂 32.2 Median Age ↑ 61% since 2019
🎓 21.9% College Grads
▼ 44% below avg
📊 7.6% Unemployment
▲ 56% above avg ↓ 74% since 2019
ZIP Code Details
ZIP Code57772
CityPorcupine
StateSouth Dakota (SD)
CountyOglala Lakota County County
Area Code605
Elevation3,443 ft
Latitude43.477183
Longitude-102.527554
TimezoneChicago (DST)
FIPS46102
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 55.9% (591) Female 44.1% (466) ♀

Race & Ethnicity

White: 2.7%Hispanic: 4.2%Race
White2.7%
Hispanic4.2%

Age Breakdown

5–17
32%
18–24
9%
25–44
22%
45–64
28%
65+
3%

Key Indicators

Median Age32.2 yrs ↑ 61% since 2019
Avg Household Size3.38
Below Poverty83.4% ▲ 734% above avg
College Grads21.9% ▼ 44% below avg
Unemployment7.6% ▲ 56% above avg
No HS Diploma47 (12.5%)
HS Graduate64 (17.1%)
Some College126 (33.6%)
Associates56 (14.9%)
Bachelors13 (3.5%)
Graduate Degree69 (18.4%)

Education

No HS: 12.5%HS Grad: 17.1%Some College: 33.6%Associates: 14.9%Bachelors: 3.5%Graduate: 18.4%Edu
No HS12.5%
HS Grad17.1%
Some College33.6%
Associates14.9%
Bachelors3.5%
Graduate18.4%
Housing & Income

Housing Tenure

Owner: 67.8%Renter: 32.2%Tenure
Owner67.8%
Renter32.2%

Home Value Distribution

Under $50k
57%
$50k–100k
36%
$150k–200k
4%
$200k–300k
0%
Over $500k
1%

Financials

Median HH Income$21,420 ▼ 72% below avg ↑ 8% since 2019
Median Rent$485/mo ↓ 32% since 2019
Total Units454
Vacant Units150
Avg HH Size3.38

Income Distribution

Under $25k
56%
$25k–50k
17%
$50k–75k
26%
Employment & Commute

How People Get to Work

Drove Alone
43%
Walked
57%

Commute Time

Under 15 min
58%
15–30 min
3%
Over 45 min
39%
Housing Stock

Year Built

1960s–1970s
37%
1980s–1990s
9%
2000+
54%

Summary

Total Units454
Vacant150
Owner Occupied67.8%
Renter Occupied32.2%
Avg HH Size3.38
Frequently Asked Questions
ZIP code 57772 is in Porcupine, SD, in Oglala Lakota County County.
ZIP code 57772 is located in South Dakota (SD).
ZIP code 57772 is in Oglala Lakota County County, SD.
ZIP 57772 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57772 is 1,057 people (ACS 2023).
The median household income in ZIP code 57772 is $21,420 (ACS 2023).
Home value data not available.
About ZIP Code 57772

ZIP code 57772 is located in Porcupine, South Dakota, within Oglala Lakota County County. With a population of 1,057, this is a sparsely populated ZIP code with a relatively young community — the median age is 32.2 years. Economically, 57772 is a lower-income ZIP code: the median household income of $21,420 is well below the national average.

Renters can expect to pay around $485 per month in median rent. Homeownership is strong here — 67.8% of occupied units are owner-occupied, suggesting an established, stable residential community.

The population of 57772 is racially diverse, with Hispanic as the largest group at 4.2%. Residents are less-educated — 21.9% hold a bachelor's degree or higher, which is below the national average. Poverty affects a significant share of residents at 83.4%. Household income has grown by 8% since 2019.

The unemployment rate in 57772 stands at 7.6%, which is significantly above the national average. As in most parts of the country, driving alone is the dominant commute mode at 22%.

Overall, ZIP code 57772 in Porcupine, SD is characterized as lower-income, less-educated, a relatively young community, and predominantly owner-occupied.