North Dakota · FIPS 38025 · County seat: Manning
Dunn County, ND GIS & Parcel Viewer
Looking for lot lines or a parcel number in Dunn County, ND? The quickest route is the Dunn County ArcGIS parcel map, 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 Dunn County parcel map ↗
Opens portico.sidwellco.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Dunn County ArcGIS parcel map |
|---|---|
| Type | County-run map |
| Website | portico.sidwellco.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Manning |
| Population | 4,019 (2023 Census Bureau estimate) |
| Land area | 2,008 sq mi |
| FIPS code | 38025 |
Who runs this map
This map is published by or for Dunn 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; an ArcGIS Experience Builder app opens in a new tab. Accept any splash or disclaimer screen.
- Search by address or parcel ID, or pan to the area.
- Select a parcel to view the information the publisher makes available.
- Explore the app's panels for layers, legends or 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.
About Dunn County
The U.S. Census Bureau estimated Dunn County's population at 4,019 in 2023, spread over about 2,008 square miles of land, or roughly 2.0 people per square mile. By population it ranks 26th of 53 counties in North Dakota. The county seat is Manning.
Counties next to Dunn County
Parcels close to the edge of Dunn County can fall in the next county over. Neighboring counties:
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.