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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 LuisPopulation

Population in San Luis

United States · San Luis profile

Population

31,520

people

World rank

#18409

of 33750

Percentile

45%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric San Luis profile

FAQ

Frequently asked

What is the population in San Luis?

San Luis has a population of 31,520 people. Total resident population.

How does San Luis rank for population?

San Luis ranks #18409 of 33750 cities for population (higher is better).