Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

Hillsboro, city, seat (1850) of Washington county, northwestern Oregon, U.S., adjacent to the Tualatin River. Settled in 1841, it was laid out by David Hill in 1842, called Columbia, and later renamed (by court order) for its founder. The city developed as a processing-shipping centre for wheat, truck-garden produce, and dairy products. Electronics manufacturing and specialty horticulture are the most important components of the modern economy. The city maintains the Jackson Bottom Wetlands Preserve, a...