South Dakota · FIPS 46041 · County seat: Timber Lake
Dewey County, SD GIS & Parcel Viewer
Looking for lot lines or a parcel number in Dewey County, SD? The quickest route is CAMAvision Maps for Dewey County, 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 Dewey County parcel map ↗
Opens maps.camavision.com in a new tab. We link out and never embed or copy parcel data.
Dewey County at a glance
| Official map | CAMAvision Maps for Dewey County |
|---|---|
| Type | County-run map |
| Website | maps.camavision.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Timber Lake |
| Population | 5,208 (2023 Census Bureau estimate) |
| Land area | 2,302 sq mi |
| FIPS code | 46041 |
Where the parcel data comes from
This map is published by or for Dewey County itself, so it reflects the local parcel layer rather than a third-party copy. As of our October 2026 test, anyone could open it without signing in or paying.
Finding a property on this map
- Press the button above. This county's viewer runs on CAMAvision Maps; 42 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 Dewey County
The U.S. Census Bureau estimated Dewey County's population at 5,208 in 2023, spread over about 2,302 square miles of land, or roughly 2.3 people per square mile. That makes it number 36 out of 66 South Dakota counties by population. Its county seat is Timber Lake.
Nearby parcel maps
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Dewey County:
- Corson County
- Haakon County
- Potter County
- Stanley County
- Sully County
- Walworth County (state list)
- Ziebach County
A note on accuracy
The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.