Oregon · FIPS 41003 · County seat: Corvallis
Benton County, OR GIS & Parcel Viewer
Looking for lot lines or a parcel number in Benton County, OR? The quickest route is ORMAP statewide tax lot viewer (Oregon), 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 Benton County statewide map ↗
Opens ormap.net in a new tab. We link out and never embed or copy parcel data.
Map and county facts
| Official map | ORMAP statewide tax lot viewer (Oregon) |
|---|---|
| Type | Statewide map (covers all of Oregon) |
| Website | ormap.net |
| Access | Free, no login (checked Oct 2026) |
| County seat | Corvallis |
| Population | 97,713 (2023 Census Bureau estimate) |
| Land area | 675 sq mi |
| FIPS code | 41003 |
Who runs this map
The link goes to a statewide map (ORMAP statewide tax lot viewer (Oregon)). It shows parcels for Benton County along with the rest of Oregon. A statewide layer can trail the county's own books by weeks or months, so treat it as a fast first look rather than the final word. As of our October 2026 test, anyone could open it without signing in or paying.
Finding a property on this statewide map
- Press the button to load the statewide viewer, then move the map to Benton 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.
Benton County by the numbers
The U.S. Census Bureau estimated Benton County's population at 97,713 in 2023, spread over about 675 square miles of land, or roughly 145 people per square mile. By population it ranks 11th of 36 counties in Oregon. Corvallis serves as the county seat.
Nearby parcel maps
Benton County shares a border with the counties below. Each link has its own official map:
Related guides
- Benton County OR GIS parcel map: property search & parcel data
- Benton County parcel search: find property boundaries online
- Benton County Parcel Search
- Benton County parcel viewer: GIS lots & property boundaries
- Benton County Parcel Viewer
- Benton County property map: search parcels by address
A note on accuracy
The lines you see online are approximate. They're good for finding a lot and its parcel number, but a legal boundary question needs the recorded plat or a surveyor.