Valley County, Idaho Genealogy Guide

Valley County, Idaho (Map It) was created on February 26, 1917 from Boise County and Idaho County. Valley County was named for the Long Valley located in the county. Learn More About State of Idaho History

Valley County is bordered by Idaho County (north), Adams County (west), Gem County (southwest), Boise County (south), Custer County (east), Lemhi County (east).

Valley County Cities and Towns include Cascade, Donnelly, McCall.

Valley County, Idaho Courthouse Records

Valley County, Idaho Courthouse
Valley County, ID Courthouse

The Valley County Courthouse is located in Cascade, Idaho. Learn More About State of Idaho 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.

The following dates indicates what vital, land, probate, and court records are in Valley county. The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered.

  • Valley County Clerk, Auditor, Recorders Office has Marriage Records from 1917, Land Records from 1876, Probate Records from 1917  and Court Records from 1879. The Recorder is responsible to keep records of all documents recorded in Adams County. Additionally, the Recorder’s office provides marriage licenses, processes passports and records land documents, including plat maps, surveys, easements, assertions of right-of-way, and some types of liens.

Valley County, Idaho Census Records

  • Learn More: State of Idaho Census Records
  • U.S. Federal Population Schedules: 1920, 1930, 1940
  • U.S. Federal Census Mortality Schedules: None
  • Selected U.S. Federal Census Agriculture Schedules: None
  • Selected U.S. Federal Census Industry Schedules: None
  • Union Veterans Schedules: None

Valley County, Idaho Vital Records

Valley County, Idaho Resources

Valley County, Idaho External Links