North Dakota · FIPS 38087 · County seat: Amidon
Slope County, ND GIS & Parcel Viewer
Use this page to reach the official county parcel map for Slope County, North Dakota. The button below opens Slope County Mapservice in a new tab, so you can look up parcels by address, owner or parcel number on the source site itself.
Open the Slope County parcel map ↗
Opens slope.offroadsoftware.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Slope County Mapservice |
|---|---|
| Type | County-run map |
| Website | slope.offroadsoftware.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Amidon |
| Population | 674 (2023 Census Bureau estimate) |
| Land area | 1,215 sq mi |
| FIPS code | 38087 |
About the official source
It is a county-level map: Slope 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.
Finding a property on this map
- Press the button above to open the county's own web map.
- Search for the property or pan and zoom to it.
- Click the lot to bring up what the county publishes about it.
- Look for print or measure tools if you need a quick map or rough size.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
About Slope County
The U.S. Census Bureau estimated Slope County's population at 674 in 2023, spread over about 1,215 square miles of land, or roughly 0.6 people per square mile. That makes it the least populous of North Dakota's 53 counties. The county seat is Amidon.
Counties next to Slope County
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Slope County:
- Adams County
- Billings County
- Bowman County
- Golden Valley County
- Hettinger County
- Stark County
- Fallon County, MT
A note on accuracy
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.