Washington County, Illinois
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Flag_of_Washington_County%2C_Illinois.jpg/200px-Flag_of_Washington_County%2C_Illinois.jpg)
Washington County is a county in the U.S. state of Illinois. In the 2020 census, 13,761 people lived there.[1] The county seat is Nashville.
References[change | change source]
- ↑ "QuickFacts: Washington County, Illinois". United States Census Bureau. Retrieved August 11, 2023.