The exact population of Effingham, Illinois as of October 2025 is estimated at 12,252 residents.
Please note: this figure is an estimate and may slightly change as people get born and pass away, it also depends on migration to/from Effingham.
Population of Effingham, Illinois as of October 2025. How many people live in Effingham today?
USA / Illinois / EffinghamCheck out more data on population in Illinois:
- Population of Naperville
- Population of Champaign
- Population of Arlington Heights
- Population of Schaumburg
- Population of Palatine
- Population of Mount Prospect
- Population of Hoffman Estates
- Population of Glenview
- Population of Moline
- Population of Crystal Lake
- Population of Streamwood
- Population of Addison
- Population of St. Charles
- Population of Pekin
- Population of Galesburg
- Population of Lansing
- Population of Huntley
This population of Effingham IL is provided by US bureau of statistics.
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