Benton County
Parcel & Property Data
About This Data
LandBrief holds 34,995 parcel records for Benton 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 Benton County assessor roll dated January 2022, loaded August 2026. See data sources for every county’s vintage.
Explore Benton County
Benton County by the Numbers
- Median parcel size
- 0.28 acres
measured from mapped boundaries - 90th-percentile parcel
- 17.1 acres
- County land area
- 432,133 acres
U.S. Census measurement - Communities
- 10
0.0% of parcels outside any incorporated place - Out-of-state owners
- 5.9% of parcels
by owner mailing address
Who Owns Benton County?
Share of the county’s 34,995 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 |
|---|---|
| Other / unclassified | 100.0% |
Parcel Records (~34,995 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 159030000100 | — | — | Alsea | 668.78 † |
| 159100000100 | — | — | Alsea | 172.75 † |
| 159010000402 | — | 15831 LOBSTER VALLEY RD | Alsea | 19.93 † |
| 159010000101 | — | 15743 LOBSTER VALLEY RD | Alsea | 9.21 † |
| 159010000702 | — | — | Alsea | 19.70 † |
| 159120000101 | — | — | Alsea | 9.99 † |
| 159010000400 | — | 15845 LOBSTER VALLEY RD | Alsea | 60.37 † |
| 158050000400 | — | — | Alsea | 42.04 † |
| 159120000201 | — | — | Alsea | 51.38 † |
| 159010000200 | — | — | Alsea | 80.20 † |
Download Benton County parcel data
All 34,995 parcels in Benton County as a single file — free, no account needed. Shapefile, GeoJSON, GeoPackage, CSV and Parquet.
Get Benton County on FreeParcelData →Nearby counties
Frequently Asked Questions
How many parcels are in Benton County?
The Benton County assessor roll on file records 34,995 parcels across 10 communities.
What is the typical parcel size in Benton County?
Measured from mapped boundaries, the median parcel is 0.28 acres, and nine parcels in ten are under 17.1 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of Benton County is owned from out of state?
5.9% of parcels list an owner mailing address outside OR, per the county’s own records.
How current is this data?
It comes from the Benton County assessor roll dated January 2022. 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 (10)
34,995 parcels across 10 communities in Benton County.