California Flag

California

Statehood Year:
1850
Capital:
Sacramento
Largest Cities:
Los Angeles, San Diego, San Jose
Abbreviation:
CA

California is a state in the Pacific region of the United States, known for the Pacific coastline, Sierra Nevada range, and diverse ecosystems. It has a population of 39,663,800, making it the most populated state in the country. The capital city is Sacramento. California has a tech-driven economy with entertainment and agricultural strengths.

39,663,800
Total Population
242
Population Density (mi²)
1
Population Rank
232.5K 0.59%
Annual Population Growth

California Population

Demographics

Economics and Income Statistics

Population by County

Population by County

2025 Pop.

1M

2M

3M

4M

5M

6M

7M

8M

9M

Population Growth by County

Change (2020)

-0.05

-0.025

0

0.025

0.05

0.075

Population Density by County

Density

2K

4K

6K

8K

10K

12K

14K

16K

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)