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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.

CitiesSan DiegoPopulation

Population in San Diego

Spain · San Diego profile

Population

45,104

people

World rank

#13322

of 33750

Percentile

61%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric San Diego profile

FAQ

Frequently asked

What is the population in San Diego?

San Diego has a population of 45,104 people. Total resident population.

How does San Diego rank for population?

San Diego ranks #13322 of 33750 cities for population (higher is better).