Plankinton is a city in Aurora County, South Dakota, home to about 603 people across 0.8 square miles. Its ZIP code is 57368.
Homes sold for a median of $134 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Plankinton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Plankinton’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Eppley Airfield (OMA)213 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)87 miles away |
| Nearest city of 250,000+ | Omaha, NE210 miles away |
| Nearest city of 1 million+ | Chicago, IL562 miles away |
Straight-line distances from the center of Plankinton; 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.
Plankinton had 781 residents in the 2020 census, up 30% since 2000.
It’s the 132nd largest of 440 towns in South Dakota by population.
Aurora County grew from 4,011 residents in 1900 to 2,747 in 2020.
Aurora County, 1900–2020
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 8°F. About 23.9 inches of rain and melted snow fall in a typical year, with about 38 inches of snow.
Source: NOAA 1991–2020 climate normals, White Lake, SD weather station (11 miles away).
522 jobs at 78 businesses in Aurora County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
8 doctors and other health care providers list an office in Plankinton.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 6 |
|---|---|
| Mental health providers | 2 |
| Pharmacies | 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.
Grocery stores
Libraries
Museums
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Plankinton School District 01-1. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Plankinton Elementary - 02Plankinton | Pre-K–5 | 132 | Public | 1.9 mi |
| Aurora Plains Academy Middle School - 04Plankinton | 4–8 | 7 | Alternative Education | 0.9 mi |
| Dakota Reach Middle School - 07Plankinton | 5–8 | 2 | Special Education | 0.9 mi |
| Plankinton Middle School - 03Plankinton | 6–8 | 49 | Public | 1.9 mi |
| Aurora Plains Academy High School - 05Plankinton | 9–12 | 10 | Alternative Education | 0.9 mi |
| Dakota Reach - 06Plankinton | 9–12 | 5 | Special Education | 0.9 mi |
| Plankinton High School - 01Plankinton | 9–12 | 86 | Public | 1.9 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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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.