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© 2026 STATLAS. Data under CC BY 4.0 from World Bank, GeoNames, Open-Meteo & others.

Indices labeled “modeled” are computed estimates — see methodology.

CitiesCosta MesaPopulation

Population in Costa Mesa

United States · Costa Mesa profile

Population

113,204

people

World rank

#5366

of 33750

Percentile

84%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Costa Mesa profile

FAQ

Frequently asked

What is the population in Costa Mesa?

Costa Mesa has a population of 113,204 people. Total resident population.

How does Costa Mesa rank for population?

Costa Mesa ranks #5366 of 33750 cities for population (higher is better).