Benton County, Oregon Genealogy Guide

Benton County, Oregon (Map It) was created on December 23, 1847 from Polk County. The county was named in honor of Thomas Hart Benton (1782 - 1858), a U.S. senator who advocated U.S. control over the Oregon Country. Learn More About State of Oregon History.

Benton County is bordered by Polk County (north), Lincoln County (west), Linn County (east), Lane County (south).

Benton County Cities and Towns include Adair Village, Albany, Corvallis, Monroe, Philomath. A Map of Benton County, Oregon contains detailed information about roads and boundaries, these maps may include rural communities, churches, and cemeteries.

Benton County, Oregon Courthouse Records

Benton County, Oregon Courthouse
Benton County, OR Courthouse

The Benton County Courthouse is located in Corvallis, Oregon. Learn More About State of Oregon Court, Tax, Land and Probate Records.

Please contact the each clerk's department to confirm mailing address, hours, fees and other information before visiting or requesting information because contact information sometimes changes.  The Clerk's Office DOES NOT DO RESEARCH.  The documents are available to interested parties, barring confidential issues.  Most staff will assist people in finding the materials, but it is up to the individual to do the research.

  • Benton County Clerk has Marriage Records from 1850  and Land Records from 1851. The County Clerk has many duties which include vital statistics (births, deaths, marriage) and keeps a permanent public record of real estate transactions.
  • Benton County Circuit Court Clerk has Court Records from 1850 and Probate Records from 1849. The County Circuit Court Clerk has general jurisdiction over all civil and criminal cases, and typically handle cases beyond the jurisdiction of other courts. Circuit Courts also handle divorce, child custody, disputes over title to land, probate matters, juvenile cases, guardianship, adoption, involuntary commitment, and requests for injunctions.
  • Benton County Records Inventory The Oregon Historical County Records Guide includes descriptions and listings for each type of record in the inventory. Each series description includes a title and a description of how the records are used (function); types of records that may be included in each category (physical content); type of information that may be found (informational content)

Benton County, Oregon Census Records

Benton County, Oregon Vital Records

Benton County, Oregon Resources

Benton County, Oregon External Links

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