Show Me a Map of Siskiyou County

Siskiyou County is a county located in the northwestern portion of the U.S. state of California. As of the 2020 census, the population was 44,076. Its county seat is Yreka and its highest point is Mount Shasta. It falls within the Cascadia bioregion.
  • Country: United States
  • State: California
  • Region: Shasta Cascade
  • Incorporated: March 22, 1852
  • Named for: The Siskiyou Trail
  • County seat: Yreka
  • Largest city: Yreka
Data from: en.wikipedia.org