Montana · FIPS 30105 · County seat: Glasgow
Valley County, MT GIS & Parcel Viewer
Looking for lot lines or a parcel number in Valley County, MT? The quickest route is Primary Viewer (Public) for Valley 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 Valley County parcel map ↗
Opens experience.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | Primary Viewer (Public) for Valley County |
|---|---|
| Type | County-run map |
| Website | experience.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Glasgow |
| Population | 7,474 (2023 Census Bureau estimate) |
| Land area | 4,926 sq mi |
| FIPS code | 30105 |
About the official source
This map is published by or for Valley 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
- Open the link. This viewer is an ArcGIS Experience Builder app, so its layout is custom to the publisher.
- Look for a search box or search widget and type in a street address or parcel ID.
- Click a parcel to see its details in a pop-up or side panel.
- Check the toolbar for a layer list or basemap switcher if you want aerials or other layers.
Many parcel sites expect owner names last name first. If a full name finds nothing, try just the surname.
The county in brief
The U.S. Census Bureau estimated Valley County's population at 7,474 in 2023, spread over about 4,926 square miles of land, or roughly 1.5 people per square mile. By population it ranks 29th of 56 counties in Montana. The county seat is Glasgow.
Counties next to Valley County
Valley County shares a border with the counties below. Each link has its own official map:
Before you rely on the lines
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.