Porcupine is a community in Oglala Lakota County, South Dakota, home to about 424 people across 9.5 square miles. It has no ZIP code of its own: it’s part of 57772.
Part is in Porcupine
We’re writing up Porcupine’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Denver International Airport (DEN)263 miles away |
|---|---|
| Closer regional airport | Chadron Municipal Airport (CDR)48 miles away |
| Nearest city of 250,000+ | Aurora, CO274 miles away |
| Nearest city of 1 million+ | Chicago, IL751 miles away |
Straight-line distances from the center of Porcupine; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Porcupine had 925 residents in the 2020 census, up 127% since 2000.
It’s the 167th largest of 440 towns in South Dakota by population.
Source: U.S. Census Bureau decennial censuses.
Average highs peak around 88°F in summer, and winter lows average 10°F. About 19.9 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Porcupine 11 N, SD weather station (11 miles away).
1,963 jobs at 84 businesses in Oglala Lakota County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Porcupine.
Nearest hospitals
Providers with an office here
| Mental health providers | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Public schools here are run by Oglala Lakota County School District 65-1, Pahin Sinte Owayawa. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Rockyford School - 03Porcupine | Pre-K–8 | 404 | Public | 18.6 mi |
| Pahin Sinte OwayawaPorcupine | K–8 | 155 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Our Lady of Lourdes ElementaryPorcupine | K–8 | 113 | Roman Catholic | 0.4 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.