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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.

CitiesSimpsonvillePopulation

Population in Simpsonville

United States · Simpsonville profile

Population

20,736

people

World rank

#26339

of 33750

Percentile

22%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric Simpsonville profile

FAQ

Frequently asked

What is the population in Simpsonville?

Simpsonville has a population of 20,736 people. Total resident population.

How does Simpsonville rank for population?

Simpsonville ranks #26339 of 33750 cities for population (higher is better).