South Dakota · FIPS 46007 · County seat: Martin
Bennett County, SD GIS & Parcel Viewer
Looking for lot lines or a parcel number in Bennett County, SD? The quickest route is the Bennett 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 Bennett County parcel map ↗
Opens gis.districtiii.org in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Bennett County planning-district WebGIS viewer |
|---|---|
| Type | County-run map |
| Website | gis.districtiii.org |
| Access | Free, no login (checked Oct 2026) |
| County seat | Martin |
| Population | 3,305 (2023 Census Bureau estimate) |
| Land area | 1,185 sq mi |
| FIPS code | 46007 |
About the official source
This map is published by or for Bennett County itself, so it reflects the local parcel layer rather than a third-party copy. Our October 2026 check found the map open to the public, with no account or payment needed.
Finding a property on this map
- 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.
Rural addresses don't always geocode well. When that happens, zoom in by hand and click the parcel, or search by owner name.
Bennett County by the numbers
Census Bureau figures put Bennett County at about 3,305 people (2023 estimate) on roughly 1,185 square miles of land, which is about 2.8 residents per square mile. By population it ranks 45th of 66 counties in South Dakota. The county seat is Martin.
Counties next to Bennett County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Bennett County:
A note on accuracy
Keep in mind that a GIS parcel layer is a tax map, not a survey. For exact boundaries, look at the recorded deed and plat or hire a licensed land surveyor.