Siskiyou County is located in the northernmost part of California, bordering Oregon and Nevada. It is the fifth-largest county in California by area, covering 6,347 square miles. The county seat is Yreka, and the largest city is Mount Shasta.

The county is governed by a five-member Board of Supervisors, who are elected by district. The county also has a number of departments, including the Sheriff's Office, Public Works, Health and Human Services, and Planning and Building.

The economy of Siskiyou County is largely based on agriculture, forestry, and tourism. The county is home to a number of national forests, including the Klamath National Forest, the Shasta-Trinity National Forest, and the Six Rivers National Forest. It is also home to the Mount Shasta Ski Park, the McCloud River Railroad, and the McCloud River Fish Hatchery.

For the most up-to-date and in-depth information, please check the public records links below.