Yankton is a city in Yankton County, South Dakota, home to about 15,540 people across 8.6 square miles. Its ZIP code is 57078.
Homes sold for a median of $151 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 Yankton. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Yankton’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)134 miles away |
|---|---|
| Closer regional airport | Sioux Falls Regional Airport (FSD)59 miles away |
| Nearest city of 250,000+ | Omaha, NE131 miles away |
| Nearest city of 1 million+ | Chicago, IL501 miles away |
Straight-line distances from the center of Yankton; 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.
Yankton had 15,411 residents in the 2020 census, up 14% since 2000.
It’s the 7th largest of 440 towns in South Dakota by population.
Yankton County grew from 12,649 residents in 1900 to 23,310 in 2020.
Yankton County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 10°F. About 28.9 inches of rain and melted snow fall in a typical year, with about 38 inches of snow.
Source: NOAA 1991–2020 climate normals, Yankton 2 E, SD weather station (2 miles away).
11,776 jobs at 707 businesses in Yankton County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
413 doctors and other health care providers list an office in Yankton.
Nearest hospitals
Providers with an office here
| Primary care doctors | 34 |
|---|---|
| Specialist doctors | 56 |
| Dentists | 17 |
| Nurse practitioners and physician assistants | 52 |
| Mental health providers | 189 |
| Physical and occupational therapists | 43 |
| Optometrists | 7 |
| Chiropractors | 15 |
| Pharmacies | 10 |
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.
Parks (10 nearby)
Grocery stores (3 nearby)
Pharmacies (2 nearby)
Libraries (2 nearby)
Museums
Theaters and performance venues (2 nearby)
Counts are within about 2 miles 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.
Established in 1858.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Yankton School District 63-3. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Webster Elementary - 06Yankton | Pre-K–5 | 391 | Public | 0.8 mi |
| Beadle Elementary - 03Yankton | K–5 | 412 | Public | 0.6 mi |
| Lincoln Elementary - 04Yankton | K–5 | 416 | Public | 0.3 mi |
| Stewart Elementary - 05Yankton | K–5 | 271 | Public | 0.7 mi |
| Yankton Middle School - 02Yankton | 6–8 | 608 | Public | 0.8 mi |
| Yankton High School - 01Yankton | 9–12 | 923 | Public | 0.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Sacred Heart Middle School -Yankton | Pre-K–8 | 230 | Roman Catholic | 0.7 mi |
| Sacred Heart SchoolYankton | Pre-K–8 | 263 | Roman Catholic | 2.0 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.