Washington County, Idaho

Washington County is a county in the U.S. state of Idaho. As of the 2020 census, the population was 10,500. The county seat and largest city is Weiser. It has over half of the county's population. The county was founded in 1879 when Idaho was a territory and named after George Washington, the first President of the United States (1789–1797).

 Communities 
 Cities 
 Cambridge
 Midvale
 Weiser

 References 

Category:1870s establishments in Idaho Territory
Category:1879 establishments in the United States
Category:Idaho counties