Porcupine is a community in Sioux County, North Dakota, home to about 138 people across 0.2 square miles. It has no ZIP code of its own: it’s part of 58568.
Mostly Selfridge; part is in Porcupine
We’re writing up Porcupine’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Porcupine well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)392 miles away |
|---|---|
| Closer regional airport | Bismarck Municipal Airport (BIS)54 miles away |
| Nearest city of 250,000+ | Minneapolis, MN389 miles away |
| Nearest city of 1 million+ | Chicago, IL730 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 197 residents in the 2020 census, up 35% since 2010.
It’s the 208th largest of 402 towns in North Dakota by population.
Sioux County grew from 3,308 residents in 1920 to 3,898 in 2020.
Sioux County, 1920–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 7°F. About 17.4 inches of rain and melted snow fall in a typical year, with about 43 inches of snow.
Source: NOAA 1991–2020 climate normals, Mc Intosh 6 Se, SD weather station (15 miles away).
529 jobs at 30 businesses in Sioux County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2022 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Public schools here are run by Selfridge 8. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Selfridge Elementary SchoolSelfridge | Pre-K–6 | 45 | Public | 10.9 mi |
| Selfridge High SchoolSelfridge | 7–12 | 30 | Public | 10.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Selfridge.
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.