South Dakota · FIPS 46089 · County seat: Leola
McPherson County, SD GIS & Parcel Viewer
Looking for lot lines or a parcel number in McPherson County, SD? The quickest route is the McPherson 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 McPherson 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 | McPherson County planning-district WebGIS viewer |
|---|---|
| Type | County-run map |
| Website | gis.districtiii.org |
| Access | Free, no login (checked Oct 2026) |
| County seat | Leola |
| Population | 2,334 (2023 Census Bureau estimate) |
| Land area | 1,137 sq mi |
| FIPS code | 46089 |
About the official source
It is a county-level map: McPherson County or the company it hires keeps the parcel layer up to date. As of our October 2026 test, anyone could open it without signing in or paying.
How to use the McPherson 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.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
About McPherson County
McPherson County had an estimated 2,334 residents in 2023, according to the Census Bureau. With about 1,137 square miles of land, that works out to roughly 2.1 people per square mile. That makes it number 54 out of 66 South Dakota counties by population. The county seat is Leola.
Neighboring counties
If the property sits near a county line, the parcel may belong to a neighbor. These counties border McPherson County:
- Brown County
- Campbell County
- Edmunds County
- Walworth County (state list)
- Dickey County, ND
- McIntosh County, ND
Before you rely on the lines
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.