Costa Mesa is located in California. Costa Mesa, California has a population of 112,148. Costa Mesa is less family-centric than the surrounding county with 32.66% of the households containing married families with children. The county average for households married with children is 34.78%.
The median household income in Costa Mesa, California is $96,391. The median household income for the surrounding county is $100,485 compared to the national median of $69,021. The median age of people living in Costa Mesa is 36 years.
The average high temperature in July is 77.7 degrees, with an average low temperature in January of 47.8 degrees. The average rainfall is approximately 12 inches per year, with 0 inches of snow per year.