Washington County, county in Illinois, United States. As of 2020 county had an estimated population of 13,764 inhabitants. The county was created 206 years ago in 1818. Its county seat is Nashville.
There are 2 city/town in Washington County, IL. The largest city of Washington County is Ashley with a population of 484. Other cities include and Addieville population 236
Ashley, City in Illinois
Addieville, Human settlement in United States of America
List of cities, towns, neighborhoods & other populated places in Washington County.
City Name | Title | Population |
---|---|---|
Addieville | Human settlement in United States of America | 236 |
Ashley | City in Illinois | 484 |