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Benton County, Oregon

Benton County was created on December 23, 1847 from Polk County. This particular county was named in honor of Thomas Hart Benton (1782 - 1858), a U.S. senator who advocated U.S. control over the Oregon Country.

The Benton County Seat can be found in Corvallis plus the county government website is

Areas adjoining Benton County happen to be Polk County (north), Lincoln County (west), Linn County (east), Lane County (south).

Cities and towns situated in Benton County consists of Adair Village, Albany, Corvallis, Monroe, Philomath.

Benton County does have Federal Census Schedules to guide in looking into your family tree. United states federal Population Schedules can be found for 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Benton Co. Mortality Schedules is available for 1850, 1860, 1870 and 1880. Benton Co. Industry and Agriculture Schedules can be found for 1850, 1860, 1870 and 1880. Benton Co. Union Veterans Schedules is available for 1890. There is free down loadable and printable census forms to help you with your research.

Benton County Societies and Family History Resources

A list of Benton County Historical  and Genealogical Societies, Forums, Message Boards, Libraries, Archives.

Benton County Courthouse and Government Records

Researchers frequently overlook the great importance of Benton County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Oregon courthouses and archives everywhere are the ambitions and frustrations of countless Oregon residents. The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Benton County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records.

Please contact the clerk's office to confirm hours, mailing address, fees and other specifics in advance of visiting or asking for information because of occasionally changing contact details. The Department Offices DO NOT DO RESEARCH. The records are readily available to interested parties, barring private issues. Many workers will guide people in finding the resources, however it is up to the particular person to undertake the research.
  • Benton County Clerk has many duties which include vital statistics (births, deaths, marriage) and keeps a permanent public record of real estate transactions.
    • Address: 120 NW 4th St., Room 4, Corvallis, OR 97330
    • Phone: 541-766-6831
    • Marriage Records: 1850 
    • Land Records: 1851
  • Benton 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.
    • Address: PO Box 1870, 120 NW 4th Street, Corvallis, OR 97330
    • Phone: 541 766 6828
    • Court Records: 1850
    • Probate Records: 1849
  • 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)
  • Oregon Department of Health (VDH) Office of Vital Records  has birth and death records dating from 1903; marriage records from 1906; and divorce certificates (not decrees) from 1925. There is a fee for each copy requested.

Benton County Links

The following are links to Family history and genealogy, Records and Resources pertaining to Benton County. Most of these genealogy links fall into 3 categories: Business oriented Sites, Personal Sites or Organization Sites. Some have free access some have to have a cost. This is just a list that has been gathered or submitted. I do not endorse or promote one genealogy site above another. Feel free to suggest your own most popular Benton County genealogy or family history related sites.

Benton Co. OR Books, Newspapers & Publications

Benton Co. OR Birth, Marriage & Death Records

Benton Co. OR Court, Probate Land and Tax Records

Benton Co. OR Census Records

Benton Co. OR Cemeteries & Church Records

Benton Co. OR Family Websites, Pictures & Histories

Benton Co. OR General and History Websites

Benton Co. OR Maps, Atlases & Gazetteers

Benton Co. OR Military Records

Benton Co. OR Schools & Directories

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