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Welcome to Siskiyou County ...

Time Zone: Siskiyou County lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time.

The community of Yreka is the Seat for Siskiyou County.

Siskiyou County was founded in 1852 and was created by taking area from Shasta County.

From the Census Estimates for 2019, <1> Siskiyou had a population of 43,539 people. This is a decrease of 3.11% since the last Census (which gave a population of 44,938 people in 2010).

At the time of the 2010 Census, Siskiyou represented 0.12% of the total population of California.

Below are some of the communities located in Siskiyou County:

  • Dorris
    (38 miles [61.2 km] to the northeast)
    • Jump to our Gazetteer entry for Dorris
    • Dorris is located in Siskiyou County (CA)
    • Population from the 2020 Census: 896 people
    • Jump to TripAdvisor's Tourism page for Dorris <2>
  • Dunsmuir
    (30 miles [48.3 km] to the southeast)
    • Jump to our Gazetteer entry for Dunsmuir
    • Dunsmuir is located in Siskiyou County (CA)
    • Population from the 2020 Census: 1,548 people
    • Jump to TripAdvisor's Tourism page for Dunsmuir <2>
  • Etna
    (23 miles [37 km] to the southwest)
    • Jump to our Gazetteer entry for Etna
    • Etna is located in Siskiyou County (CA)
    • Population from the 2020 Census: 706 people
    • Jump to TripAdvisor's Tourism page for Etna <2>
  • Fort Jones
    (17 miles [27.4 km] to the west)
  • Montague
    (7 miles [11.3 km] to the north)
    • Jump to our Gazetteer entry for Montague
    • Montague is located in Siskiyou County (CA)
    • Population from the 2020 Census: 1,366 people
    • Jump to TripAdvisor's Tourism page for Montague <2>
  • Mount Shasta
    (23 miles [37 km] to the southeast)
  • Tulelake
    (57 miles [91.7 km] to the northeast)
  • Weed
    (14 miles [22.5 km] to the southeast)
    • Jump to our Gazetteer entry for Weed
    • Weed is located in Siskiyou County (CA)
    • Population from the 2020 Census: 2,668 people
    • Jump to TripAdvisor's Tourism page for Weed <2>
  • Yreka
    (10 miles [16.1 km] to the northwest)
    • Jump to our Gazetteer entry for Yreka
    • Yreka is located in Siskiyou County (CA)
    • Population from the 2020 Census: 7,503 people
    • Yreka has also been known as:
    • Yreka City
    • Jump to TripAdvisor's Tourism page for Yreka <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
 

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This page was last modified/updated: 12 Jul 2025