Costa Mesa, California Population 2020

115,081
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Costa Mesa is a city located in California. With a 2020 population of 115,081, it is the 58th largest city in California and the 257th largest city in the United States. Costa Mesa is currently growing at a rate of 0.64% annually and its population has increased by 4.66% since the most recent census, which recorded a population of 109,960 in 2010. Spanning over 16 miles, Costa Mesa has a population density of 7,286 people per square mile.

The average household income in Costa Mesa is $103,257 with a poverty rate of 12.97%. The median rental costs in recent years comes to $1,786 per month, and the median house value is $707,600. The median age in Costa Mesa is 35 years, 34.9 years for males, and 35 years for females. For every 100 females there are 101.5 males.

Costa Mesa Demographics

According to the most recent ACS, the racial composition of Costa Mesa was:

  • White: 71.56%
  • Other race: 13.02%
  • Asian: 8.42%
  • Two or more races: 4.01%
  • Black or African American: 1.93%
  • Native Hawaiian or Pacific Islander: 0.65%
  • Native American: 0.42%
The current population of Costa Mesa, California is 115,081, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 113,615.The last official US Census in 2010 recorded the population at 109,960.

Costa Mesa, California Population 2020

Population by Race

Race Population Percentage
White81,00271.56%
Some Other Race14,73813.02%
Asian9,5278.42%
Two or More Races4,5374.01%
Black or African American2,1801.93%
Native Hawaiian and Other Pacific Islander7410.65%
American Indian and Alaska Native4730.42%
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Costa Mesa Population Pyramid 2020

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Costa Mesa Median Age

35


Total

34.9


Male

35


Female

Costa Mesa Adults

There are 90,220 adults, (12,138 of whom are seniors) in Costa Mesa.

Costa Mesa Age Dependency

45

Age Dependency Ratio

15.5

Old Age Dependency Ratio

29.4

Child Dependency Ratio

Costa Mesa Sex Ratio

Female

56,171

49.62%

Male

57,027

50.38%

Costa Mesa Households and Families

Costa Mesa Renter vs Owner Occupied by Household Type

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Costa Mesa Household Types

Type Owner Renter
Married51.8%48.2%
All39.1%60.9%
Female33.5%66.5%
Male29%71%
Non Family28.7%71.3%

39.1%

Rate of Home Ownership

Type Count Average Size Owned
All41,0192.7139.1
Married17,5683.5451.8
Non Family16,5091.5328.7
Female4,1913.3533.5
Male2,7513.5629

3.34

Average Family Size

2.71

Average Household Size

8.5%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

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Costa Mesa Education

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Education Attained Count Percentage
Less Than 9th Grade7,5979.57%
9th to 12th Grade4,4115.56%
High School Graduate13,48116.98%
Some College16,66220.99%
Associates Degree5,5116.94%
Bachelors Degree21,95827.66%
Graduate Degree9,77412.31%
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Costa Mesa Educational Attainment by Race

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Name Total High School Bachelors
White44,13642,71721,827
Hispanic23,80713,6973,354
Other Race8,8224,429991
Asian7,6997,3304,852
Multiple Races2,1142,0491,011
Black1,5401,509618
Islander502482157
Native American24912174

The highest rate of high school graduation is among black people with a rate of 97.99%.

The highest rate of bachelors degrees is among asian people with a rate of 63.02%.

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Name Average Male Female
Overall$45,761$49,180$41,815
Less Than High School$21,975$25,917$16,003
High School Grad$31,908$35,951$24,507
Some College$42,208$43,997$40,857
Bachelors Degree$62,979$71,714$55,041
Graduate Degree$83,017$102,400$68,728

$45,761

Average Earnings

$49,180

Average Male

$41,815

Average Female

Costa Mesa Language

Costa Mesa Language by Age

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Costa Mesa Language

61.32% of Costa Mesa residents speak only English, while 38.68% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 29.36% of the population.

Costa Mesa Poverty

Costa Mesa Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic40,5527,91619.52%
White55,9415,0779.08%
Other14,6103,60924.70%
Asian9,45198410.41%
Black2,12433015.54%
Multiple4,4643197.15%
Native4736012.68%
Islander727263.58%

12.97%

Overall Poverty Rate

12.24%

Male Poverty Rate

13.71%

Female Poverty Rate

Poverty in Costa Mesa

The race most likely to be in poverty in Costa Mesa is Other, with 24.70% below the poverty level.

The race least likely to be in poverty in Costa Mesa is Islander, with 3.58% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.29%. Among those working part-time, it was 15.22%, and for those that did not work, the poverty rate was 26.07%.

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Name Poverty
Less Than High School24.97%
High School14.35%
Some College10.23%
Bachelors or Greater6.18%
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Name Poverty
Female Unemployed33.84%
Male Unemployed23.37%
Male Employed7.29%
Female Employed6.09%

Costa Mesa Income

Costa Mesa Income by Household Type

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Name Median Mean
Households$79,207$103,257
Families$84,311$111,620
Married Families$101,721$125,664
Non Families$68,542$84,661
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Costa Mesa Marital Status

Costa Mesa Marital Status

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Marriage Rates

42.1%

Overall Marriage Rate

41.8%

Male Marriage Rate

42.4%

Female Marriage Rate

Costa Mesa Married by Age and Sex

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Costa Mesa Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

Costa Mesa Marital Status by Race

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Costa Mesa Veterans

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4,282

Number of Veterans

3,888

Male Veterans

394

Female Veterans

War Veterans
Vietnam1,362
Second Gulf War1,182
First Gulf War535
Korea342
World War II205
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Age Group Veterans
75+1,088
65 to 741,002
18 to 34877
35 to 54840
55 to 64475
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Name Veterans % of Total
White3,5815.44%
Hispanic4261.48%
Asian2532.98%
Black22212.08%
2 or More1033.90%
Other790.76%
Hawaiian223.87%
Indian226.88%

Costa Mesa Veterans by Education

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6.24%

Veteran Poverty Rate

24.88%

Veteran Disability Rate

Costa Mesa Employment Status

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72.5%

Labor Force Participation

68.8%

Employment Rate

4.8%

Unemployment Rate

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Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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56.93%

Born in California

75.19%

Native Born

24.81%

Foreign Born

14.05%

Non Citizen

10.76%

Naturalized

Place of Birth

75.19% of Costa Mesa residents were born in the United States, with 56.93% having been born in California. 14.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Year Population Growth Annual Growth Rate
2020115,0817330.64%
2019114,3487330.65%
2018113,615-210-0.18%
2017113,8257330.65%
2016113,0921620.14%
2015112,9303530.31%
2014112,5772700.24%
2013112,3074770.43%
2012111,8306680.60%
2011111,1629370.85%
2010110,2251,5010.14%
2000108,72412,3671.21%
199096,35713,7951.56%
198082,5629,9021.29%
197072,66035,1106.82%
196037,55025,70612.23%
195011,8448,24412.65%
19403,6000.00%