Washington County is governed by a five-member Board of Commissioners. The Board is elected by the citizens of Washington County and is responsible for setting policy, adopting ordinances, and approving the annual budget. The Board appoints a County Administrator to oversee the day-to-day operations of the County.

Washington County is located in the northwest corner of Oregon and is part of the Portland metropolitan area. It is the second most populous county in Oregon, with an estimated population of 590,149 in 2019. The county seat is Hillsboro, and the largest city is Beaverton. The county was created in 1843.

Education in Washington County is provided by the Beaverton School District, Hillsboro School District, Forest Grove School District, and Tigard-Tualatin School District. Higher education in the county is provided by Portland Community College-Rock Creek, Portland Community College-Sylvania, Portland Community College-Cascade, and Pacific University.

Washington County is home to two federal installations – the Portland-Vancouver Regional Air Facility located near Hillsboro and the Pittock Wildlife Refuge near Forest Grove. Additionally, the county has two state parks, Jackson Bottom Wetland Preserve and Stub Stewart State Park.

The major industries in Washington County are technology, manufacturing, healthcare, and retail.

For the most up-to-date and in-depth information, please check the public records links below.