Jefferson County, Idaho Genealogy Guide
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Jefferson County, Idaho (Map It) was created on February 18, 1913 from Fremont County. Jefferson County was named in honor of Thomas Jefferson (1743-1826), third President of the United States (1801-1809). Learn More About State of Idaho History
Jefferson County Cities and Towns include Hamer, Lewisville, Menan, Monteview, Mud Lake, Rigby, Ririe, Roberts, Terreton.
Jefferson County, Idaho Courthouse Records
Jefferson County, ID Courthouse
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 Jefferson 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.
- Jefferson County Clerk, Auditor, Recorders Office has Marriage Records from 1914, Land Records from 1913, Probate Records from 1901 and Court Records from 1891. 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.
Jefferson 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
Jefferson County, Idaho Vital Records
- Learn More: State of Idaho Vital Records
- Birth and Death Records: from July 1911 to present.
- Marriage and Divorce Records: from May 1947 to present.
- Locations: Idaho Office of Vital Statistics, 450 W. State St., 1st Floor, Boise, ID 83720; (208) 334-5988
- Vital Records Online: USAVital, VitalChek or Social Security Death Index
- Vital Records by Mail: Birth, Marriage, Divorce and Death Certificates Applications.
Jefferson County, Idaho Resources
- Jefferson County Historical Society
- Jefferson County, Idaho Message Boards
- Jefferson County, Idaho Genealogy Forum
- Jefferson County, Idaho Mailing lists