Benton County WA Genealogy

USA (1,379,301) > Washington (15,476) > Benton County (234)


Benton County Records by City/Town

Benton Genealogy (33)
Kennewick Genealogy (86)
Prosser Genealogy (59)


Richland Genealogy (50)
White Bluffs Genealogy (32)

Overview of Benton County Records

  • Benton County was created in 1905 from Yakima and Klickitat counties.
  • Birth and death records from 1907 to the present can be obtained from the Washington State Department of Health.
  • The Benton County Auditor has birth records from 1905 to 1907and marriage records starting in 1905.
  • The Benton County Clerk has divorce, probate, and court records starting in 1884.
  • The Benton County Assessor has land records starting in 1885.
  • Online indexes and images of some of the above records can be found by using the links on this site.