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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.

CitiesKlamath FallsPopulation

Population in Klamath Falls

United States · Klamath Falls profile

Population

21,399

people

World rank

#25704

of 33750

Percentile

24%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Klamath Falls profile

FAQ

Frequently asked

What is the population in Klamath Falls?

Klamath Falls has a population of 21,399 people. Total resident population.

How does Klamath Falls rank for population?

Klamath Falls ranks #25704 of 33750 cities for population (higher is better).