Hillsboro. <1> City (2020 pop. 6481), seat of Highland co., SW Oh.; founded 1807. It was long a center of bell making and is known for its annual Festival of the Bells. <2> City (2020 pop. 106,477), seat of Washington co., NW Oreg., in the Tualatin valley; inc. 1876. Integrated circuits, other high-tech products, furniture, plastics, and medical equipment are manufactured in this growing city in Oregon's “Sunset Corridor.” Meats and fruits and vegetables are processed and packed, there are wineries, and timber is also important. Settled c.1845, Hillsboro has a pioneer museum and cemetery and a notable old Scottish church. <3> City (2020 pop. 8,221), seat of Hill co., central Tex. It is known for its Victorian homes and historic courthouse, with many buildings on the National Registry of Historic Places. Country singer Willie Nelson hails from the area. Hill College is located there.

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