Washington Idaho Oregon County Map

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, with over half of the county's population. The county was established in 1879 when Idaho was a territory and named after U.S. President George Washington.
  • Country: United States
  • State: Idaho
  • Founded: February 20, 1879
  • Named for: George Washington
  • Seat: Weiser
  • Largest city: Weiser
  • Congressional district: 1st

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Data from: en.wikipedia.org