Blaine County
Parcel & Property Data
About This Data
LandBrief holds 23,709 parcel records for Blaine County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.
Data from the Blaine County assessor roll dated August 2021, loaded August 2026. See data sources for every county’s vintage.
Explore Blaine County
Blaine County by the Numbers
- Median parcel size
- 0.32 acres
measured from mapped boundaries - 90th-percentile parcel
- 320.8 acres
- County land area
- 1,688,152 acres
U.S. Census measurement - Communities
- 14
38.3% of parcels outside any incorporated place
Who Owns Blaine County?
Share of the county’s 23,709 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.
| Owner type | Share of parcels |
|---|---|
| Individuals | 59.8% |
| Companies & organizations | 16.5% |
| Trusts & estates | 17.0% |
| Government | 6.4% |
| Other / unclassified | 0.2% |
The largest owner on record is BLM with 1,412 parcels — see the full landowner leaderboard.
Parcel Records (~23,709 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| RP02S190095750 | CW & RH GARDNER FAMILY LIMITED PARTNERSHIP | — | Unincorporated | 2640.00 |
| RP02N220104710 | LAVA LAKE LAND & LIVESTOCK LLC | — | Unincorporated | 2480.00 |
| RP02N210234600 | FLAT TOP SHEEP CO | — | Unincorporated | 2280.00 |
| RP02S19001572A | CW & RH GARDNER FAMILY LIMITED PARTNERSHIP | — | Unincorporated | 2261.48 |
| RP0012900200O0 | BLACKBURN FARMING LLC | — | Unincorporated | 2070.35 |
| RP01S170010110 | WOOD RIVER LAND TRUST | — | Unincorporated | 2022.91 |
| RP003870000020 | GOODRICH RAYMOND THOMAS JR TRUSTEE | — | Unincorporated | 1981.85 |
| RP03N19022608A | HANWRIGHT JOACHIM TRUSTEE | — | Unincorporated | 1840.00 |
| RP03N230296350 | LAVA LAKE LAND & LIVESTOCK LLC | — | Unincorporated | 1756.56 |
| RP02N220214760 | LAVA LAKE LAND & LIVESTOCK LLC | — | Unincorporated | 1640.00 |
Download Blaine County parcel data
All 23,709 parcels in Blaine County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Blaine County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Blaine County?
The Blaine County assessor roll on file records 23,709 parcels across 14 communities, with 38.3% lying outside any incorporated place.
Who owns the most land in Blaine County?
BLM holds 1,412 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in Blaine County?
Measured from mapped boundaries, the median parcel is 0.32 acres, and nine parcels in ten are under 320.8 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Blaine County is government-owned?
Government entities — federal, state, and local — hold 6.4% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the Blaine County assessor roll dated August 2021. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.
Browse by City (14)
23,709 parcels across 14 communities in Blaine County.