Facts About Hillsboro
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Hillsboro is the fifth-largest city in the U.S. state of Oregon and is the county seat of Washington County.
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The first people of the Tualatin Valley were the Atfalati or Tualaty tribe of the Kalapuya, who inhabited the region for up to 10,000 years before white settlers arrived.
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Hillsboro was incorporated as a city on October 19, 1876
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The city has a total area of 21.6 square miles.
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The European-American community was founded by David Hill, Isaiah Kelsey, and Richard Williams, who arrived in the Tualatin Valley in 1841, followed by six more pioneers in 1842.
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The elevation of Hillsboro is 194 feet above sea level.
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Hillsboro only has one sister city: Fukuroi, Japan.
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The estimated population of Hillsboro is 106,543, as of 2019.
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In 1979, Intel opened its first facility in Hillsboro.
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Hillsboro’s annual Fourth of July Parade is the second-largest Independence Day parade in Oregon.