Benton County, Washington Genealogy

United States &gt; Washington &gt; Benton County

County Courthouse
The Courthouse 620 Market Street Prosser, WA 99350

Parent County
1905--Benton County was created 8 March 1905 from Klickitat and Yakima Counties. County seat: Prosser

Boundary Changes

 * No counties created from the county.

Populated Places
Cities

Communities

Neighboring Counties
Franklin | Grant | Klickitat | Walla Walla | Yakima | Oregon counties: Morrow | Umatilla

Census

 * 1910
 * 1920
 * 1930

Naturalization
Washington State Digital Archives has digitized various types of naturalization-related records, including declarations of intentions, delayed birth files, naturalization affidavits, notifications of application for admission to US citizenship, orders fixing naturalization terms, petitions and records, petitions, receipts for certificates of citizenship, record of final decrees of citizenship and record of petitions dockets. Depending on the county, records range from 1854-1988.

Vital Records

 * Washington State Digital Archives has a database of Benton County Birth Records. This database contains the names of people who were born in Benton County from 1905-1907. For FHL entries, 1905-1907, click here.
 * Washington State Digital Archives has a database of Benton County Marriages from 1905 to 1920. This database is an index to marriage certificates filed with the Auditor in Benton County, Washington. For FHL entries, click here.
 * Washington Death Certificates 1907-1960 A free internet index to the 1907-1960 death certificates can be found at FamilySearch Record Search, no images are available. A transcribed death certificate may contain such information as name of the deceased, date and place of death, age, gender, birth date and birth place, mother’s maiden name and name of spouse, place of residence and occupation.

Web Sites

 * The Benton County WAGenWeb Project, a member of The WAGenWeb Project, an affiliate of The USGenWeb Project.
 * The USGenWeb Archives Project for Benton County.
 * The USGenWeb Archives Project for Benton County. (Mirror site)
 * FamilySearch.org Family History Library Catalog for Benton County.