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 2026 population of 107,671. Costa Mesa is currently declining at a rate of -0.67% annually and its population has decreased by -3.91% since the most recent census, which recorded a population of 112,050 in 2020.

The median household income in Costa Mesa is $111,505 with a poverty rate of 9.14%. The median age in Costa Mesa is 36.7 years: 36.6 years for males, and 36.9 years for females. For every 100 females there are 105.6 males.

107.7K
Total Population
6,812
Density (mi²)
-730 -0.67%
Growth

Costa Mesa Population

Costa Mesa Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026107,671-730-0.67%
2025108,401-730-0.67%
2024109,131-171-0.16%
2023109,302-809-0.73%
2022110,111-932-0.84%
2021111,043-1,144-1.02%
2020112,050-936-0.83%
2019112,986-82-0.07%
2018113,068360.03%
2017113,032-336-0.3%
2016113,368-52-0.05%
2015113,4206890.61%
2014112,7316040.54%
2013112,1274550.41%
2012111,6727050.64%
2011110,9678300.75%
2010110,1371770.16%
2000108,72412,36712.83%
199096,35713,79516.71%
198082,5629,90213.63%
197072,66035,11093.5%
196037,55025,706217.04%
195011,8448,244229%
19403,60000%

Median Age

Overall: 36.7 years
Female: 36.9 years
Male: 36.6 years

Costa Mesa Adults

There are 89,886 adults, (14,577 of whom are seniors) in Costa Mesa.

Sex Ratio

Female: 53,654 (48.6%)
Male: 56,676 (51.4%)

Demographics

The racial composition of Costa Mesa includes 51.82% White, 15.25% other race, 8.25% Asian, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White57,17751.82%
Two or more races23,21521.04%
Other race16,82315.25%
Asian9,1038.25%
Black or African American2,0601.87%
Native American1,2341.12%
Native Hawaiian or Pacific Islander7180.65%
Race
Population ↓
Percentage (of total)
Two or more races18,16216.46%
Other race16,01114.51%
White4,8014.35%
Native American1,1071%
Asian1490.14%
Black or African American1450.13%
Native Hawaiian or Pacific Islander390.04%
Race
Population ↓
Percentage (of total)
White52,37647.47%
Asian8,9548.12%
Two or more races5,0534.58%
Black or African American1,9151.74%
Other race8120.74%
Native Hawaiian or Pacific Islander6790.62%
Native American1270.12%

Costa Mesa Marital Status

Economics and Income Statistics

Costa Mesa 's average per capita income is $62,214. Household income levels show a median of $111,505. The poverty rate stands at 9.14%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$155,224$201,463
Families$127,245$174,124
Households$111,505$153,254
Non Families$87,201$115,816

$62,214

Average Income

$111,505

Median Household Income

9.14%

Poverty Rate

Nearby Cities

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)