San Diego Flag

San Diego

County Seat:
Yes
Area (mi²):
326.087
State:
California

San Diego is a city located in San Diego County, California. San Diego has a 2025 population of 1,409,359 . It is also the county seat of San Diego County . San Diego is currently growing at a rate of 0.35% annually and its population has increased by 1.77% since the most recent census, which recorded a population of 1,384,824 in 2020.

The average household income in San Diego is $139,707 with a poverty rate of 11.11%. The median age in San Diego is 36 years: 35.4 years for males, and 36.8 years for females. For every 100 females there are 103.1 males.

1.4M
Total Population
4,322
Density (mi²)
4.9K 0.35%
Growth

San Diego Population

Demographics

Economics and Income Statistics

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)