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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.

CitiesOnalaskaPopulation

Population in Onalaska

United States · Onalaska profile

Population

18,468

people

World rank

#28902

of 33750

Percentile

14%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Onalaska profile

FAQ

Frequently asked

What is the population in Onalaska?

Onalaska has a population of 18,468 people. Total resident population.

How does Onalaska rank for population?

Onalaska ranks #28902 of 33750 cities for population (higher is better).