McCloud is a small town and census-designated place in Siskiyou County, California, United States. Its population is 945 as of the 2020 census, down from 1,101 from the 2010 census. Nestled on the southern slope of majestic Mt. Shasta, McCloud draws visitors from around the globe.

Yreka is a city located in Siskiyou County, in Northern California. The city is situated in the Shasta Valley, near the base of Mount Shasta. the city has an area of about 10 square miles (26 km2), most of it land. As of the 2020 United States Census, the population was 7,807, reflecting a meager increase from 7,765 counted in the 2010 Census.

Tulelake is a small city located in Siskiyou County, California, near the border with Oregon. The city is situated in the Tule Lake Basin, which is known for its fertile agricultural land. The town is named after nearby Tule Lake. Its population is 902 as of the 2020 census, down from 1,010 from the 2010 census.

Mount Shasta is a city in Siskiyou County, California, at about 3,600 feet above sea level on the flanks of Mount Shasta, a prominent northern California landmark. The city is less than 9 miles southwest of the summit of its namesake volcano. Its population is 3,223 as of the 2020 census.

Forks of Salmon is a small, unincorporated community in Siskiyou County, Northern California. It is nestled in the rugged terrain of the Klamath Mountains, situated near the confluence of the North and South Forks of the Salmon River. The area is surrounded by natural beauty, including lush forests, mountain streams, and diverse wildlife, making it popular for outdoor activities such as hiking, fishing, and camping.

Etna, California is a small city located in Siskiyou County in Northern California. Etna is situated in the Scott Valley, surrounded by the Klamath Mountains and the Marble Mountains. This scenic location provides a stunning backdrop of mountainous terrain and lush valleys. The city is near several natural attractions, including the Scott River and various hiking trails, making it an appealing spot for nature enthusiasts. Its population is 678 as of the 2020 census.

Dunsmuir, California is a small city located in Siskiyou County, renowned for its rich history, natural beauty, and outdoor recreational opportunities. It is situated along the Upper Sacramento River, nestled in the Trinity Mountains of Northern California. It is known for its picturesque setting with lush forests, mountain views, and a river running through it. Its population is 1,707 in 2020.

The Town of Fort Jones is located within the northern part of Scott Valley surrounded by the Klamath Mountains to the west and the Cascade Mountain range to the east. Its population is 695 as of the 2020 census, down from 839 from the 2010 census.

Dorris is a small city located in Siskiyou County in Northern California. It is known for its rural charm and close-knit community. Dorris is situated near the Oregon border, making it part of the greater Klamath Basin region. The city is surrounded by natural beauty, including the expansive landscapes of the Shasta Valley and the nearby Klamath National Forest. Its population is 860 in 2020.

Callahan, California, is a small, unincorporated community located in Siskiyou County in Northern California. It is nestled in the Scott Valley area, surrounded by the scenic beauty of the Klamath Mountains. Historically, Callahan has roots as a mining and ranching community, playing a significant role during the California Gold Rush. As of 2009 it had a population of 50.