Columbia County, Oregon

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Columbia County is a county located in the U.S. state of Oregon. It was named for the Columbia River, which forms its eastern and northern borders. As of 2000, its population was 43,560. The county seat is St. Helens.



The primary industries are wood products and paper manufacturing, trade, construction and horticulture.[1][2] The extensive stands of old growth timber, which had attracted many of the early settlers to the area, were completely logged over by the 1950s.[citation needed] Second-growth timber provides the raw material for local lumber and paper mills. About half the county's workforce commutes out of the county to work, most to the nearby Portland, Oregon metro area.[3] Columbia County's average nonfarm employment was 10,740 in 2007.[citation needed]


According to the U.S. Census Bureau, the county has a total area of 688 square miles (1,781.9 km2), of which 657 square miles (1,701.6 km2) is land and 32 square miles (82.9 km2) (4.59%) is water.

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