Montana · FIPS 30075 · County seat: Broadus
Powder River County, MT GIS & Parcel Viewer
Here is the direct link to the statewide parcel map covering Powder River County, MT: Montana Cadastral (Montana State Library). Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Powder River County statewide map ↗
Opens svc.mt.gov in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Montana Cadastral (Montana State Library) |
|---|---|
| Type | Statewide map (covers all of Montana) |
| Website | svc.mt.gov |
| Access | Free, no login (checked Oct 2026) |
| County seat | Broadus |
| Population | 1,743 (2023 Census Bureau estimate) |
| Land area | 3,298 sq mi |
| FIPS code | 30075 |
Who runs this map
The link goes to a statewide map (Montana Cadastral (Montana State Library)). It shows parcels for Powder River County along with the rest of Montana. Statewide parcel layers are usually stitched together from county files, so the newest splits or sales may show up on the county's own records first. Our October 2026 check found the map open to the public, with no account or payment needed.
How to use the Powder River County viewer
- Open the statewide map with the button above.
- Search for an address in Powder River County, or zoom to the county on the map.
- Click a parcel to see the attributes the state layer includes.
- Write down the parcel number and use it for records searches with the Powder River County assessor or recorder.
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.
Powder River County by the numbers
Powder River County had an estimated 1,743 residents in 2023, according to the Census Bureau. With about 3,298 square miles of land, that works out to roughly 0.5 people per square mile. That makes it number 47 out of 56 Montana counties by population. Broadus serves as the county seat.
Counties next to Powder River County
Parcels close to the edge of Powder River County can fall in the next county over. Neighboring counties:
- Big Horn County
- Carter County
- Custer County
- Rosebud County
- Campbell County, WY
- Crook County, WY
- Sheridan County, WY
Maps vs. surveys
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.