About Us

Our Mission

To promote and encourage the use of Jefferson County’s public records by all persons in the public interest, and to preserve and promote the rich history of Jefferson County through the identification, preservation and use of the permanently valuable archival records.

Image of old leather bound books lying down in stacks

Our History

Established by the Board of County Commissioners in 1991, Jefferson County Archives serves as the institutional memory of Jefferson County government. It is the official repository for all permanent records of historical or evidential value created or received by the county in the course of its business activities, with records dating from 1859.

The Archives collects and preserves these records and makes them available to genealogists, historians, students and other individuals, governments, and businesses who are interested in the history and development of Jefferson County and its governing body.

Our Archivist

Ronda Frazier has served as the Archivist for Jefferson County since 2009. She came to the county after serving as a reference and processing archivist for Salt Lake County Archives in Salt Lake City, Utah and as a processing archivist for the American Heritage Center at the University of Wyoming. She became a Certified Archivist in 2011 and is a member of the Academy of Certified Archivists, Society of American Archivists, Society of Rocky Mountain Archivists, and served as the Archivist/Historian for the Colorado - Wyoming Association of Museums from 2013 to 2021.


You can email Ronda or by phone at 303-271-8448.