The exact population of Washington, Illinois as of October 2025 is estimated at 16,071 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 Washington.
Population of Washington, Illinois as of October 2025. How many people live in Washington today?
USA / Illinois / WashingtonCheck out more data on population in Illinois:
- Population of Aurora
- Population of Joliet
- Population of Bloomington
- Population of Evanston
- Population of Bolingbrook
- Population of Des Plaines
- Population of Tinley Park
- Population of Plainfield
- Population of Belleville
- Population of Carol Stream
- Population of Wheeling
- Population of Oswego
- Population of Glendale Heights
- Population of Gurnee
- Population of Lake in the Hills
- Population of Wilmette
- Population of Chicago Heights
This population of Washington IL is provided by US bureau of statistics.
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