Siskiyou County, California

Siskiyou County is located in far northern California along the Oregon border. Mount Shasta dominates the landscape and is one of the region’s most recognizable natural landmarks.

Yreka is the county seat and one of the county’s main communities. The area offers abundant opportunities for hiking, skiing, fishing, and other outdoor recreation.

With a population of around 45,000 people, Siskiyou County is sparsely populated and heavily forested. Interstate 5 runs through the county, connecting California with Oregon. Its remote character and diverse communities give Siskiyou County a distinctive personality.

CategoryDetails
County NameSiskiyou County
County SeatYreka
PopulationApproximately 45,000
Cities, Towns, and CommunitiesYreka, Mount Shasta, Dunsmuir, Weed, Tulelake, Etna, Fort Jones
Interstates and HighwaysInterstate 5, State Route 97, State Route 89
FIPS Code06-093
Total Area (Land and Water)6,347 square miles (Land: 6,277 sq mi, Water: 70 sq mi)
Adjacent Counties (and Direction) Josephine County, Oregon (Northwest), Jackson County, Oregon (North), Klamath County, Oregon (Northeast), Modoc County (East), Shasta County (Southeast), Trinity County (South), Humboldt County (Southwest), Del Norte County (West)
Time ZonePacific Standard Time (PST)
StateCalifornia
Coordinates41.7934° N, 122.5652° W
EtymologyNamed after the Siskiyou Mountains
Major LandmarksMount Shasta, Shasta-Trinity National Forest, Lava Beds National Monument, Siskiyou Mountains

PHYSICAL MAP

Siskiyou County Topographic Map

This topographic map highlights Siskiyou County’s rugged mountainous terrain, including Mount Shasta, diverse river valleys, and dramatic elevation changes. The detailed contours make it easy to explore the county’s varied landscape.

SATELLITE IMAGERY

Siskiyou County Satellite Map

This satellite map reveals the volcanic landscapes and mountain ranges that define northern Siskiyou County. The Klamath Mountains and southern Cascades create a complex pattern of forests, peaks, valleys, and volcanic terrain.

OUTLINE MAP

Siskiyou County Blank Map

This blank map outlines Siskiyou County’s large and irregular shape in far northern California. The northern boundary follows the Oregon state line, while the county extends across portions of several major mountain ranges.

California County Map

Printable California county map showing county boundaries and locations

Ever wonder how California’s 58 counties are organized? Our California county map lays them all out, from the Pacific Coast to the vast desert regions. Explore the map to find the counties you know—and perhaps discover a few you don’t.

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