page_title: Washington County, Idaho
hierarchical_section_title: Washington County, Idaho
context_page_description: Washington County is a county in the U.S. state of Idaho. As of the 2010 census, the population was 10,198. 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.
context_section_description: Washington County is a county in the U.S. state of Idaho. As of the 2010 census, the population was 10,198. 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).
caption: Location within the U.S. state of Idaho