Benton County, Oregon Genealogy

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Guide to Benton County, Oregon ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.

Benton County, Oregon
Map of Oregon highlighting Benton County
Location in the state of Oregon, United States Genealogy
Map of the U.S. highlighting Oregon
Location of Oregon in the U.S.
Founded December 23, 1847
County Seat Corvallis
Address Benton County Courthouse
180 NW 5th Street
Corvallis, OR 97330-4777
Phone: 541.757.6800
Benton County Website

County Information[edit | edit source]

Description[edit | edit source]

The County was named for Thomas Hart Benton, a U.S. Senator who advocated American control over the Oregon Country. The County is located in the northwest area of the state. [1]

Benton County, Oregon Record Dates[edit | edit source]

Known Beginning Dates for Major County Records[2]
Birth* Marriage Death* Court Land Probate Census
1907 1850 1907 1850 1850 1850 1845
*Statewide registration for births and deaths in 1903. General compliance year unknown.

County Courthouse[edit | edit source]

County Clerk has birth and death records from 1907
marriage, divorce, probate, court and land records from 1850
and military discharge records from 1919. [3]

Wikipedia has more about this subject: Benton County, Oregon

Records held at County Courthouse[edit | edit source]

  • Record Loss:

A wiki article describing an online collection is found at:

Oregon, Benton County Records - FamilySearch Historical Records

Quick Facts[edit | edit source]


Named after Thomas Hart Benton, U.S. Senator from Missouri, who advocated U.S. control over Oregon Country.

Parent County[edit | edit source]

23 December 1847: from Polk County. [4]

Boundary Changes[edit | edit source]

20 February 1893: Lincoln County. 28 January 1851: Umpqua County.

For animated maps illustrating Oregon County boundary changes, "Rotating Formation Oregon County Boundary Maps" (1843-1975) may be viewed for free at the website.

Places / Localities[edit | edit source]

Populated Places[edit | edit source]

For a complete list of populated places, including small neighborhoods and suburbs, visit HomeTown Locator.

The following are the most historically and genealogically relevant populated places in this county:[5]

Unincorporated communities
Census-designated places

Post Offices

  • Alpine: The post office was established in 1912.
  • Alsea: The post office was not established until July 1871, with Thomas Russell postmaster.

Neighboring Counties[edit | edit source]

Lane | Lincoln | Linn | Polk

Trivia Tidbits[edit | edit source]

Information about localities, too small or too brief to describe in separate pages. Exception to this are Post Offices. > Trivia Tidbits

Resources[edit | edit source]

Cemeteries[edit | edit source]

Tombstone Transcriptions Online Tombstone Transcriptions in Print List of Cemeteries in the county Family History Library
ORGenWeb WorldCat Billion Graves
ORGenWeb Archives FamilySearch Places
Tombstone Project
Billion Graves
See Oregon Cemeteries for more information.

Census[edit | edit source]

Historical populations
Census Pop.
1850 814
1860 3,074 277.6%
1870 4,584 49.1%
1880 6,403 39.7%
1890 8,650 35.1%
1900 6,706 −22.5%
1910 10,663 59.0%
1920 13,744 28.9%
1930 16,555 20.5%
1940 18,629 12.5%
1950 31,570 69.5%
1960 39,165 24.1%
1970 53,776 37.3%
1980 68,211 26.8%
1990 70,811 3.8%
2000 78,153 10.4%
2010 85,579 9.5%
Source: "".

Church History and Records[edit | edit source]

List of Churches and Church Parishes

County Records[edit | edit source]

Court[edit | edit source]

Gazetteers[edit | edit source]

History[edit | edit source]

Land and Property[edit | edit source]

Maps[edit | edit source]

Polk CountyMarion CountyLinn CountyLincoln CountyLane CountyOR BENTON.PNG
Click a neighboring county
for more resources

Military History and Records[edit | edit source]

Civil War[edit | edit source]

World War I[edit | edit source]

Newspapers[edit | edit source]

Probate Records[edit | edit source]

Online Records

Rivers and Waterways[edit | edit source]

Details about the rivers and waterways where farms and settlements are often found along them. >> Rivers and Waterways

Taxation[edit | edit source]

Vital Records[edit | edit source]

See also How to order Oregon Vital Records, order electronically online or download an application for Oregon Birth Certificate, Marriage Certificate, Divorce Certificate, Death Certificate Application to mail.

Birth Records[edit | edit source]

Delayed Birth Certificates

Birth Registers

Marriage Records[edit | edit source]

Death Records[edit | edit source]

Societies, Libraries and Museums[edit | edit source]

Benton County Genealogical Society
1100 Block of Main St 2nd Floor
Philomath 97370

Benton County Historical Society
1101 Main Street
Philomath 97370
Telephone: 541-929-6230
Facebook Page

Corvallis-Benton County Public Library
645 NW Monroe Ave
Corvllis, OR 97330
Facebook Page

Family History Centers[edit | edit source]

Family History Center and Affiliate Library Locator map - search for local Family History Centers or Affiliate Libraries

  • Family History Centers provide one-on-one assistance, free access to center-only databases, and to premium genealogical websites.
  • FamilySearch Affiliate Libraries have access to most center-only databases, but may not always have full services normally provided by a family history center.

Local Centers and Affiliate Libraries

Websites[edit | edit source]

References[edit | edit source]

  1. Wikipedia contributors, "Benton, Oregon" in,_Oregon accessed 27 Nov 2018
  2. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Benton County, Oregon . Page 572-574 At various libraries (WorldCat); FHL Book 973 D27e 2002; Alice Eichholz, ed. Ancestry’s Red Book: American State, County, and Town Sources, Third ed. (Provo, Utah: Ancestry, 2004), 563-564.
  3. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Benton County, Oregon page 572, At various libraries (WorldCat); FHL Book 973 D27e 2002.
  4. WorldCat 50140092Handybook for Genealogists: United States of America, 10th ed.] (Draper, Utah: Everton Pub., 2002), [FHL book 973 D27e 2002].
  5. Wikipedia contributors, "Benton County, Oregon," in Wikipedia: the Free Encyclopedia,,_Oregon, accessed 13 September 2018.