Corson County GIS Maps

Corson 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.

Corson County Parcels

Corson County has 4,687 mapped parcels covering 919,449 acres. Agricultural land accounts for 67.2% of parcels. Residential follows at 16.8% and agricultural dwellings at 7.8%. The records carry 1,397 distinct owner names. Owner names reach 95.3%. Browse the interactive Corson County Parcel viewer here.

Corson County Parcel Data Coverage

Field coverage measured across all Corson County parcel records. Download free sample data here.

Corson County Population

Corson County had 3,902 residents in 2020. That was 3.7% lower than in 2010. Corson County had 279 fewer people in 2020 than it did in 2000, which points to a long-term population decline. The county is fairly spread out, with about 2 people per square mile. Some of the county's most populated postal areas include Mc Laughlin, Wakpala and Isabel.

Population Trend in Corson County SD

Corson County Population per 2000, 2010 and 2020 census counts with a baseline 2030 projection.

Corson County Zip Codes

Corson County has 11 zip codes. Some of the county's most populated zip codes include Mc Laughlin (57642), Wakpala (57658) and Isabel (57633). Mc Laughlin is the largest zip by population, with about 1,884 residents or 48% of the county total. Together, the three largest zips account for about 70% of all county residents based on 2020 population estimates.

Most Populated Zip Codes in Corson County SD

Corson County Zip Code populations and trends per most recent census data.

Corson County Demographics

Corson County has a median age of 29.9, which makes the county a little younger than South Dakota overall. About 35.6% of residents are under 18, while 12.9% are 65 or older. That gives the county a fairly even mix of younger families and older adults. The largest age group is Under 18 at about 35.6% of the population, which suggests the county has a notable share of children and family households. About 19.2% of adults have a bachelor's degree or higher, above the statewide figure of 31.1%. The county has a more diverse population mix, with no single race or ethnicity accounting for all of the local story.

Key Demographics for Corson County SD

Corson County School Districts

Corson County is served by 5 public school districts with 1,407 students enrolled in 2024. The largest districts on the county map are McLaughlin 15-2, Timber Lake 20-3 and Lemmon 52-4. Those three districts account for about 78% of public school enrollment in the map area. Total enrollment has stayed fairly steady in recent years, but it is slightly lower than it was in 2017.

Largest School Districts by Enrollment in Corson County SD

Corson County school district enrollment and trends per most recent NCES reporting data.

Corson County Housing & Real Estate

Corson County has a median home value of $73,800 and a median gross rent of $473. About 61% 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 August 2025, the median listing price was $350,000 and homes spent about 36 days on the market.

Businesses in Corson County, SD

Corson County has 101 business listings across 61 categories. The largest categories in Corson County business listings are Banks & Credit Unions (8, 7.9%), Gas Stations (6, 5.9%), and River (5, 5.0%). The full Corson County business listings dataset includes names, categories, addresses and contact details where available. Corson County packages also include U.S. Census County Business Patterns data with establishment counts, employment and payroll by industry sector.

Top Business Categories in Corson County, SD

Corson County Business Listings

Corson County business listings sourced from Overture Maps. Includes locations with a high level of confidence.

Corson County Basemaps

Corson 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.

Preview a Live Package Demo

See exactly what is included in a county data package. Inspect how files are organized, the interactive data explorer and how maps and analytics are laid out. The demo loads a real sample package from South Dakota — explore the full structure before you buy.