Colusa Flag

Colusa

County:
Colusa County
County Seat:
Yes
Area (mi²):
4.361
State:
California

Colusa is a city located in Colusa County, California. Colusa has a 2026 population of 6,589. It is also the county seat of Colusa County. Colusa is currently growing at a rate of 0.35% annually and its population has increased by 2.7% since the most recent census, which recorded a population of 6,416 in 2020.

6.6K
Total Population
1,511
Density (mi²)
23 0.35%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)