Humboldt County, California
Humboldt County is located along California’s rugged North Coast, where towering redwood forests meet dramatic Pacific scenery. The county is known for its ancient redwoods, peaceful landscapes, and small communities surrounded by wilderness.
Eureka is the county seat and largest city, with a historic Old Town filled with beautifully preserved Victorian buildings. The area also has a reputation for cannabis cultivation, while Cal Poly Humboldt adds a lively college-town atmosphere.
Highway 101 is the main route through Humboldt County, winding past ancient forests, rivers, and scenic coastal landscapes. With its quirky communities, towering redwoods, and wild coastline, Humboldt County offers a distinctly relaxed and natural side of California.
| Category | Details |
|---|---|
| County Name | Humboldt County |
| County Seat | Eureka |
| Etymology | Named after the German naturalist, Alexander von Humboldt |
| Cities, Towns, and Communities | Eureka, Arcata, Fortuna, McKinleyville, Garberville, Rio Dell |
| Interstates and Highways | U.S. Route 101, State Route 36, State Route 299 |
| FIPS Code | 06-023 |
| Total Area (Land and Water) | 4,052 square miles (Land: 3,568 sq mi, Water: 484 sq mi) |
| Adjacent Counties (and Direction) | Del Norte County (North), Siskiyou County (Northeast), Trinity County (East), Mendocino County (South) |
| Time Zone | Pacific Standard Time (PST) |
| State | California |
| Population | Approximately 135,000 |
| Coordinates | 40.7711° N, 124.1627° W |
| Major Landmarks | Redwoods National and State Parks, Humboldt Bay, Lost Coast |
PHYSICAL MAP
Humboldt County Topographic Map
This topographic map highlights Humboldt County’s rugged coastline, river valleys, and mountainous terrain within California’s Coast Ranges. The detailed contours reveal the dramatic elevation changes between the Pacific shoreline and the forested interior.
SATELLITE IMAGERY
Humboldt County Satellite Map
This satellite map shows Humboldt County’s extensive forests and irregular coastline. Major rivers such as the Eel and Klamath cut through the mountainous landscape, creating natural corridors as they flow toward the Pacific Ocean.
OUTLINE MAP
Humboldt County Blank Map
This blank map outlines Humboldt County’s irregular shape along California’s northern coast. The western boundary follows the Pacific shoreline, while the eastern portion extends into the forested Coast Range mountains.
California County Maps
California County Map
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.