Colusa County Map, California

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Colusa County, California

In the middle of the Sacramento Valley, you’ll find Colusa County. It’s where Interstate 5 meets the Sacramento River. The county seat, Colusa, has barely 6,000 people.
For anyone who loves the outdoors, the Colusa National Wildlife Refuge offers birdwatching galore. On the same note, hunters flock here for duck season.
The northwest of the county is home to part of Mendocino National Forest. Hikers and campers enjoy this area for its rugged trails and scenic vistas.
Category | Details |
---|---|
County Name | Colusa County |
County Seat | Colusa |
Population | Approximately 23,000 |
Cities, Towns, and Communities | Colusa, Maxwell, Williams, Grimes, Arbuckle, Stonyford |
Interstates and Highways | Interstate 5, State Route 20, State Route 45 |
FIPS Code | 06-011 |
Total Area (Land and Water) | 1,158 square miles (Land: 1,151 sq mi, Water: 7 sq mi) |
Adjacent Counties (and Direction) | Glenn County (North), Butte County (Northeast), Sutter County (East), Yolo County (South), Lake County (West) |
Time Zone | Pacific Standard Time (PST) |
State | California |
Coordinates | 39.2074° N, 122.2087° W |
Etymology | Named after the Colusa people, a Native American tribe |
Major Landmarks | Colusa National Wildlife Refuge, Sacramento River, Colusa Historical Museum |
Website | Colusa County Website |
Colusa County Topographic Map
The topographic map displays Colusa County’s transition from Sacramento Valley farmland to coastal mountains. Zoom in to see how the terrain rises in the western portion.

Colusa County Satellite Map
Geometric farm fields demonstrate agricultural dominance in this satellite image. Notice how the Sacramento River curves through the eastern portion while hills rise in the west.

Colusa County Blank Map
This blank map displays Colusa County’s rectangular outline in the Sacramento Valley. The western boundary follows the Coast Range while the eastern edge runs along the Sacramento River.

Neighboring Counties
Here are the 5 neighboring counties of Colusa County:
California County Map
Ever wonder how California’s 58 counties stack up? Our California county map lays them all out, from the coast to the deserts. Take a look and find the ones you know — and maybe a few you don’t.