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Population Review

Costa Mesa, California Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates

The population of Costa Mesa, California is 110,538 as of the 2023 American Community Survey, making it the 60th-largest city in California. The median household income is $110,073, the median home value is $1,054,700, and the median age is 36.5.

The population has declined 1.0% since 2010 (110,221 → 109,131).

110,538

Population

6993

People / sq mi

$110,073

Median Income

$1,054,700

Median Home Value

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Costa Mesa covers 15.8 sq mi of land at 6993 people per square mile.

About Costa Mesa, CA

Housing cost is the defining feature of Costa Mesa: the median home is valued at $1,054,700. Costa Mesa is a city in California with a population of 110,538.

The typical household earns $110,073 a year, above the US median of $78,538. About 5.2% of residents live below the federal poverty level, below the national 12.4%. Home prices are steep, with the typical property valued at $1,054,700, with typical rent around $2,395.

Educational attainment is on the higher side for US cities — 43.6% of adults hold a four-year degree, above the national 35.0%. A solid 20.0% of workers are based at home, above the national 14.0%, and the average commute runs about 22 minutes each way.

High housing values reframe the income picture in Costa Mesa — even solid earnings stretch less against home prices and rents at this level.

Costa Mesa city Population History (2010-2024)

The city of Costa Mesa city had a population of 110,221 in 2010 and 109,131 in 2024, a -1.0% growth over 14 years. The peak was 113,665 in 2017. Average annual growth rate: -0.07%.

2017 · 114K20102024
Costa Mesa city population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

109,131

Population (2024)

110,221

Population (2010)

113,665

Peak (2017)

-0.07%

Avg Annual Growth

YearPopulation
2010110,221
2011111,151
2012111,790
2013112,244
2014112,485
2015112,808
2016112,933
2017113,665
2018113,302
2019113,003
2020112,050
2021111,043
2022110,111
2023109,302
2024109,131

Race & Ethnicity

White52.7%
Black or African American1.6%
Asian0.0%
Hispanic or Latino (any race)2.5%
Two or More Races0.2%

Economy & Income

$110,073

Median Household Income

$56,625

Per Capita Income

5.2%

Poverty Rate

3.6%

Unemployment Rate

Housing

$1,054,700

Median Home Value

$2,395

Median Rent

39.4%

Owner-Occupied

Education

87.8%

High School+

43.6%

Bachelor's+

Commute

1.6%

Drive Alone

65.2%

Public Transit

20.0%

Work From Home

22.1 min

Avg Commute

Community Profile

17.5%

Foreign Born

63.2%

Non-English at Home

3.4%

Veterans

8.5%

With Disability

89.4%

Health Insurance

97.6%

Internet Access

Employment by Industry

Professional, Scientific & Management17.7%
Finance, Insurance & Real Estate17.4%
Education, Health Care & Social Services12.1%
Information9.4%
Manufacturing8.4%
Construction7.7%
Arts, Entertainment & Food Services6.0%
Retail Trade3.4%
Transportation & Warehousing1.9%
Public Administration1.2%
Agriculture & Mining0.9%

Largest cities in California

Largest counties in California

Part of California

Metro areas in California

City rankings

Frequently Asked Questions

Costa Mesa, California has a population of 110,538 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 60th-largest city in California.

The median household income in Costa Mesa, California is $110,073, with 5.2% of residents living below the federal poverty level.

The median home value in Costa Mesa, California is $1,054,700, with median monthly rent at $2,395 and a homeownership rate of 39.4%.

The median age in Costa Mesa, California is 36.5 years. The population is 51.0% male and 49.0% female.

The population has declined 1.0% since 2010 (110,221 → 109,131).

Where to stay in Costa Mesa

Visiting or relocating to Costa Mesa, CA? Compare hotels and short-term rentals across the metro — live availability and prices.

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Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.