South Dakota · FIPS 46003 · County seat: Plankinton
Aurora County, SD GIS & Parcel Viewer
Looking for lot lines or a parcel number in Aurora County, SD? The quickest route is the Aurora County planning-district WebGIS viewer, the county parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Aurora County parcel map ↗
Opens gis.districtiii.org in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Aurora County planning-district WebGIS viewer |
|---|---|
| Type | County-run map |
| Website | gis.districtiii.org |
| Access | Free, no login (checked Oct 2026) |
| County seat | Plankinton |
| Population | 2,782 (2023 Census Bureau estimate) |
| Land area | 708 sq mi |
| FIPS code | 46003 |
Where the parcel data comes from
It is a county-level map: Aurora County or the company it hires keeps the parcel layer up to date. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Aurora County viewer
- Press the button above. This county's viewer runs on planning-district WebGIS; 43 counties in our directory use the same service.
- Find the search option and look up a property, or zoom in on the map.
- Click a lot to see its details.
- Check the toolbar for layers, measuring and printing.
If an address search comes up empty, try the parcel number from a tax bill or deed instead, or click the lot on the map.
Aurora County by the numbers
Aurora County had an estimated 2,782 residents in 2023, according to the Census Bureau. With about 708 square miles of land, that works out to roughly 3.9 people per square mile. Among South Dakota's 66 counties, it is the 50th largest by population. Plankinton serves as the county seat.
Neighboring counties
Aurora County shares a border with the counties below. Each link has its own official map:
Maps vs. surveys
Treat the map as a guide, not a boundary survey: parcel outlines are often shifted a bit from the real corners. A licensed surveyor settles exact lines.