Idaho · FIPS 16043 · County seat: St. Anthony
Fremont County, ID GIS & Parcel Viewer
Looking for lot lines or a parcel number in Fremont County, ID? The quickest route is Idaho statewide Parcels layer (ArcGIS Map Viewer), the statewide parcel map we keep on file for this county. We link straight to it and add a few tips for getting around.
Open the Fremont County statewide map ↗
Opens arcgis.com in a new tab. We link out and never embed or copy parcel data.
Quick facts
| Official map | Idaho statewide Parcels layer (ArcGIS Map Viewer) |
|---|---|
| Type | Statewide map (covers all of Idaho) |
| Website | arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | St. Anthony |
| Population | 14,196 (2023 Census Bureau estimate) |
| Land area | 1,864 sq mi |
| FIPS code | 16043 |
About the official source
The link goes to a statewide map (Idaho statewide Parcels layer (ArcGIS Map Viewer)). It shows parcels for Fremont County along with the rest of Idaho. 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.
Searching for a parcel, step by step
- Press the button to load the statewide viewer, then move the map to Fremont County.
- Use the viewer's search tool to find an address or parcel, if it has one.
- Click a lot to read its details.
- For deeds, taxes or official copies, take the parcel number to the county's own offices.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
The county in brief
The U.S. Census Bureau estimated Fremont County's population at 14,196 in 2023, spread over about 1,864 square miles of land, or roughly 7.6 people per square mile. That makes it number 23 out of 44 Idaho counties by population. The county seat is St. Anthony.
Neighboring counties
If the property sits near a county line, the parcel may belong to a neighbor. These counties border Fremont County:
- Clark County
- Jefferson County
- Madison County
- Teton County
- Beaverhead County, MT
- Gallatin County, MT
- Madison County, MT
- Teton County, WY
Before you rely on the lines
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.