Yankton County GIS Maps
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Yankton County, South Dakota, has 23,310 residents and covers 521.2 square miles. The population grew 3.9% between the 2010 and 2020 census. More residents moved in than left over that decade. The FIPS code for Yankton County is 46135.
Yankton is the county's largest population center. Yankton County also includes 7 zip codes, 6 public school districts and 35 municipalities. Those boundaries help explain why population, schools, and housing can look different from one part of the county to another. The map below shows how those county lines, zip codes, and school districts fit together, and the sections that follow use that same geography to show population, demographics, school enrollment and housing patterns in more detail.
Maps, GIS layers and sample data. Paid packages add full layers, analytics and database files.
Yankton County Trends
- Population
- 23,310▴
- Median Home Value
- $208,200▴
- K-12 Enrollment
- 4,520▾
County analytics dashboards with historical trends & projections included in package downloads.
Free starter access previews county maps, lightweight GIS, and sample data. Paid packages unlock full GIS layers, analytics, and database files.
Yankton County Maps
The maps below show a few of the county map styles included in our downloads. County packages include map exports in JPEG, PNG, SVG, PDF and GeoTIFF formats plus more than 20 GIS layers for mapping, research and analysis. Available layers include zip codes, area codes, subdivisions, school districts, political boundaries, roads, water features, points of interest and more.
County packages also include historical county demographics, business intelligence, analytical dashboards, AI-ready prompts, markdown files and related reference data. Everything is organized to save hours of manual work collecting current data, cleaning it and joining it together. That makes it easier to move faster on analytics, due diligence, business planning and location research. Paid packages are built for commercial use, but some package contents include source-specific attribution or notice guidance. Review Licensing & Data Source Notices.
Yankton County Population
Yankton County had 23,310 residents in 2020. That was 3.9% higher than in 2010. Yankton County added 1,658 people between 2000 and 2020, which points to steady long-term growth. The county is fairly spread out, with about 45 people per square mile. Some of the county's most populated postal areas include Yankton, Irene and Volin.
Population Trend in Yankton County SD
Yankton County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.
Yankton County Zip Codes
Yankton County has 7 zip codes. Some of the county's most populated zip codes include Yankton (57078), Irene (57037) and Volin (57072). Yankton is the largest zip by population, with about 20,104 residents or 86% of the county total. Together, the three largest zips account for about 93% of all county residents based on 2020 population estimates.
Most Populated Zip Codes in Yankton County SD
| ZIP | Area | Population | Trend |
|---|---|---|---|
| 57078 | Yankton | 20,104 | ▴ 5.1% |
| 57037 | Irene | 885 | ▴ 8.1% |
| 57072 | Volin | 676 | ▴ 15.8% |
| 57031 | Gayville | 621 | ▾ -16.2% |
| 57046 | Mission Hill | 617 | ▾ -1.4% |
| Download all zip code data | |||
Yankton County Zip Code populations and trends per most recent census data.
Yankton County Demographics
Yankton County has a median age of 42.2, which makes the county a little older than South Dakota overall. About 21.5% of residents are under 18, while 20.5% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is 25 to 44 at about 29% of the population, which points to a solid working-age base. About 27.7% of adults have a bachelor's degree or higher, above the statewide figure of 31.1%. The county is mostly White by population, though Hispanic, Asian, Black and multiracial residents are also part of the local mix.
Key Demographics for Yankton County SD
Median Age
42.2
Under 18
21.5%
Age 65+
20.5%
Bachelor's+
27.7%
Yankton County School Districts
Yankton County is served by 6 public school districts with 4,520 students enrolled in 2024. The largest districts on the county map are Yankton 63-3, Viborg Hurley 60-6 and Irene-Wakonda 13-3. Those three districts account for about 82% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, based on district totals from 2017 to 2024.
Largest School Districts by Enrollment in Yankton County SD
| District | Enrollment | Share | Trend |
|---|---|---|---|
| Yankton School District 63-3 | 3,021 | 66.8% | ▾ -2.1% |
| Viborg Hurley School District 60-6 | 403 | 8.9% | ▾ -0.7% |
| Irene-Wakonda School District 13-3 | 293 | 6.5% | ▴ 1% |
| Gayville-Volin School District 63-1 | 281 | 6.2% | ▾ -1.7% |
| Scotland School District 04-3 | 262 | 5.8% | ▾ -4% |
| Download all school district data | |||
Yankton County school district enrollment and trends per most recent NCES reporting data.
Yankton County Housing & Real Estate
Yankton County has a median home value of $208,200 and a median gross rent of $777. About 72% of occupied homes in the county are owner-occupied, so the local housing market leans heavily toward ownership. Home values run below the South Dakota median, while rents come in below the state average. In March 2026, the median listing price was $343,400 and homes spent about 81 days on the market.
Yankton County Housing Mix
Yankton County housing mix: owner, renter and vacant units.
Yankton County Housing Trends
Yankton County median home value and rent trend (last 5 years).
Businesses in Yankton County, SD
Yankton County has 1,228 business listings across 395 categories. The largest categories in Yankton County business listings are Churches & Religious Organizations (36, 2.9%), Gas Stations (25, 2.0%), and Landmark And Historical Building (19, 1.5%). The full Yankton County business listings dataset includes names, categories, addresses and contact details where available. Yankton County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.
Top Business Categories in Yankton County, SD
| Category | Businesses | Share |
|---|---|---|
| Churches & Religious Organizations | 36 | 2.9% |
| Gas Stations | 25 | 2.0% |
| Landmark And Historical Building | 19 | 1.5% |
| Contractors | 17 | 1.4% |
| Insurance Agencies | 17 | 1.4% |
| Auto Repair | 16 | 1.3% |
| Parks & Recreation | 16 | 1.3% |
| Banks & Credit Unions | 16 | 1.3% |
| Fast Food | 15 | 1.2% |
| Bars & Nightlife | 13 | 1.1% |
Yankton County Business Listings
| Business | Category | City |
|---|---|---|
| Monaghan's Mansionary | Accommodation | Yankton |
| Wohlenberg Ritzman and Co | Accountant | Yankton |
| The Boat House | Active Life | Yankton |
| First Chiropractic Centers, P.C. | Acupuncture | Yankton |
| Cockatoo Club | Adult Entertainment | Yankton |
| Missouri Valley Shopper | Advertising Agency | Yankton |
| Barnes Hay | Agricultural Cooperatives | Gayville |
| Mark's Machinery | Agricultural Service | Yankton |
| Roger Wilco Aviation Services | Aircraft Repair | Yankton |
| Chan Gurney Municipal Airport | Airport | Yankton |
| Download Yankton County business listings | ||
Yankton County business listings sourced from Overture Maps. Includes locations with a high level of confidence.
Yankton County Basemaps
Yankton County map and data packages include a set of useful basemaps to help you get started quickly. These include a custom light grey canvas, USGS topo, imagery and other reference layers that make it easier to build clear, meaningful county maps using the included GIS layers, your own data or both. Pre-rendered map tiles for the light grey basemap are included so you can use them offline or host them on your own CDN.
Get the Full Yankton County Data Package
This page shows a preview of what's included in the Yankton County data package. The full package gives you a ready-to-use county data system with GIS layers, historical data, maps, database files and planning tools that save hours of manual data gathering, cleanup and joins. Everything is organized to help you skip data wrangling and start analysis faster.
- 20+ GIS layers for zip codes, school districts, roads, water, boundaries and more
- Historical county demographics, housing, income and trend data
- ZIP code population files and school district enrollment history
- Database files, markdowns, AI-ready prompts and documentation
- Map exports in PNG, JPEG, PDF, SVG and GeoTIFF formats
- Offline-ready data explorer, map and analytics tools
Paid packages support commercial use, client work, and derived outputs. Some package contents may include source-specific attribution or provider notices. See Licensing & Data Source Notices.
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Nearby Counties
Browse county data pages for the counties that border Yankton County. These nearby pages include the same mix of county maps, demographic summaries, school district context, housing trends and package links.