Colusa, California
| Colusa, California | |
|---|---|
| City of Colusa | |
| Top: Old Colusa High School; bottom: Colusa City Hall. | |
| Location of Colusa in Colusa County, California | |
| Coordinates: 39°12′52″N 122°00′34″W / 39.21444°N 122.00944°W | |
| Country | United States | 
| State | California | 
| County | Colusa | 
| Incorporated | June 16, 1868 | 
| Area | |
|  • Total | 3.42 sq mi (8.87 km2) | 
| • Land | 3.42 sq mi (8.87 km2) | 
| • Water | 0.00 sq mi (0.00 km2) 0% | 
| Elevation | 49 ft (15 m) | 
| Population  (2020) | |
|  • Total | 6,411 | 
| • Density | 1,872.37/sq mi (722.93/km2) | 
| Time zone | UTC-8 (Pacific) | 
| • Summer (DST) | UTC-7 (PDT) | 
| ZIP code | 95932 | 
| Area code | 530 | 
| FIPS code | 06-14946 | 
| GNIS feature IDs | 277602, 2410204 | 
| Website | www | 
Colusa is a city in and the county seat of Colusa County, California, located in the Sacramento Valley region of the Central Valley. The population was 6,411 at the 2020 census, up from 5,971 at the 2010 census. Colusa originates from the local Coru Native American tribe, who in the 1840s lived on the opposite side of the Sacramento River.