Idaho · FIPS 16013 · County seat: Hailey
Blaine County, ID GIS & Parcel Viewer
Use this page to reach the official statewide parcel map for Blaine County, Idaho. The button below opens Idaho statewide Parcels layer (ArcGIS Map Viewer) in a new tab, so you can look up parcels by address, owner or parcel number on the source site itself.
Open the Blaine County statewide map ↗
Opens arcgis.com in a new tab. We link out and never embed or copy parcel data.
Map and county 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 | Hailey |
| Population | 25,041 (2023 Census Bureau estimate) |
| Land area | 2,638 sq mi |
| FIPS code | 16013 |
Where the parcel data comes from
Blaine County doesn't have its own viewer in our directory, so we point you to a statewide map: Idaho statewide Parcels layer (ArcGIS Map Viewer). Zoom in on Blaine County to see its parcels. 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
- Open Idaho statewide Parcels layer (ArcGIS Map Viewer) in a new tab and zoom to Blaine County (around Hailey).
- Type a street address into the search box, or click directly on a parcel.
- Review the parcel attributes; field names vary by state.
- Confirm anything important with the county assessor, since the statewide layer is a compiled copy.
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.
Blaine County by the numbers
Blaine County had an estimated 25,041 residents in 2023, according to the Census Bureau. With about 2,638 square miles of land, that works out to roughly 9.5 people per square mile. Among Idaho's 44 counties, it is the 17th largest by population. Hailey serves as the county seat.
Counties next to Blaine County
Parcels close to the edge of Blaine County can fall in the next county over. Neighboring counties:
- Bingham County
- Butte County
- Camas County
- Cassia County
- Custer County
- Elmore County
- Lincoln County
- Minidoka County
- Power County
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.