Costa Mesa Flag

Costa Mesa

County:
Orange County
County Seat:
No
Area (mi²):
15.806
State:
California

Costa Mesa is a city located in Orange County, California. Costa Mesa has a 2025 population of 106,069. Costa Mesa is currently declining at a rate of -1.07% annually and its population has decreased by -5.11% since the most recent census, which recorded a population of 111,781 in 2020.

The average household income in Costa Mesa is $147,350 with a poverty rate of 8.94%.The median age in Costa Mesa is 36.5 years: 36.3 years for males, and 36.6 years for females.

106.1K
Total Population
6,711
Density (mi²)
-1.1K -1.07%
Growth

Costa Mesa 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)