Montana · FIPS 30089 · County seat: Thompson Falls

Sanders County, MT GIS & Parcel Viewer

Here is the direct link to the county parcel map covering Sanders County, MT: Sanders County Electronic Plat Map. Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.

Open the Sanders County parcel map ↗
Opens sanders.maps.arcgis.com in a new tab. We link out and never embed or copy parcel data.

Quick facts

Official map	Sanders County Electronic Plat Map
Type	County-run map
Website	sanders.maps.arcgis.com
Access	Free, no login (checked Oct 2026)
County seat	Thompson Falls
Population	13,684 (2023 Census Bureau estimate)
Land area	2,760 sq mi
FIPS code	30089

Who runs this map

It is a county-level map: Sanders 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.

How to use the Sanders County viewer

Open the link. It is an ArcGIS Instant App, a simple Esri template with a map and a few tools.
Use the search box to jump to an address or place.
Click a parcel to open its pop-up.
Look for buttons along the edge of the map for layers, legend or basemaps.

Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.

The county in brief

Census Bureau figures put Sanders County at about 13,684 people (2023 estimate) on roughly 2,760 square miles of land, which is about 5.0 residents per square mile. That makes it number 13 out of 56 Montana counties by population. Its county seat is Thompson Falls.

Neighboring counties

If the property sits near a county line, the parcel may belong to a neighbor. These counties border Sanders County:

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.

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