Costa Mesa, CA Population

Overview

112,148

Total Population

36.0

Median age

49.23%

Female population %

103.1:100

Gender ratio (M:F)

25-29 years

Largest age group

40.6

Total dependency ratio

White

Largest racial group

40,285

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Costa Mesa's population is young compared to the rest of the country:

The median age in Costa Mesa is 36.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Costa Mesa's population under 18 was 19.83%, compared to the 22.51% nationwide.
Costa Mesa's elderly or the senior population (over 65 age) was 12.28% as compared to 16.04% nationwide.
Of the total population in Costa Mesa, 16.59% were under the age of 15, 22.31% aged 15 to 29, 48.83% aged 30 to 64, 10.56% aged 65 to 84, and 1.72% were 85 years of age and older.

There are 1,736 less females than males in Costa Mesa:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.23% females and 50.77% males in Costa Mesa, CA.
The Costa Mesa, CA gender ratio is 103.1:100 i.e. 103.1 men to 100 women (1.031).
For male population, the largest age group is 25-29 years with a population of 6,012.
For the female population, the largest age group is 25-29 years with a population of 5,870.

Costa Mesa's population has become increasingly diverse:

Racial distribution of Costa Mesa population: 61.24% are White, 1.42% are Black or African American, 0.69% are American Indian and Alaska Native, 9.18% are Asian, 0.60% are Native Hawaiian and other Pacific Islander, 17.83% are some other race and 9.04% are multiracial.
Costa Mesa's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 40,285 is Hispanic or Latino (of any race), and 71,863 (64.08% of the total population) is Non-Hispanic.
The largest racial group in Costa Mesa is White with a population of 68,679 (61.24% of the total population).

Costa Mesa's population has already reached its peak and is showing a trend of decline:

The peak population was 113,420 in the year 2015
From 2000 to 2010, Costa Mesa's population increased by 671 (0.61%), as compared to the national growth of 9.63%.
From 2010 to 2020, Costa Mesa's population increased by 1,660 (1.51%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Costa Mesa's population was lowest in year 2007 at 108,024.