Montana · FIPS 30081 · County seat: Hamilton
Ravalli County, MT GIS & Parcel Viewer
Here is the direct link to the county parcel map covering Ravalli County, MT: the Ravalli County ArcGIS parcel map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Ravalli County parcel map ↗
Opens rcmtgis.maps.arcgis.com in a new tab. We link out and never embed or copy parcel data.
Ravalli County at a glance
| Official map | Ravalli County ArcGIS parcel map |
|---|---|
| Type | County-run map |
| Website | rcmtgis.maps.arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Hamilton |
| Population | 47,738 (2023 Census Bureau estimate) |
| Land area | 2,391 sq mi |
| FIPS code | 30081 |
Who runs this map
Ravalli County runs this viewer (directly or through a contracted vendor), which makes it the closest thing to the source for local parcel lines. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Ravalli County viewer
- Press the button above. The map opens in Esri's ArcGIS Map Viewer in a new tab.
- Type an address or place name into the search box at the top, or drag and zoom the map yourself.
- Click inside a parcel outline. A pop-up lists whatever attributes the publisher shares, such as a parcel ID or acreage.
- Open the Layers panel to hide or show parcels, and use the Basemap button to switch to aerial imagery.
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.
The county in brief
Census Bureau figures put Ravalli County at about 47,738 people (2023 estimate) on roughly 2,391 square miles of land, which is about 20 residents per square mile. That makes it number 7 out of 56 Montana counties by population. Its county seat is Hamilton.
Neighboring counties
Parcels close to the edge of Ravalli County can fall in the next county over. Neighboring counties:
Before you rely on the lines
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.