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Columbia County, OR
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Columbia County Population: 43,560 Population Density: 66.3 per square mile Water Area Percentage: 4.59% (31.61 square miles) Land Area Percentage: 95.41% (656.72 square miles) Total Area: 688.33 square miles Housing Units: 17,572 per square mile County Links Waterfalls In Columbia County • North Arm • Scappoose Bay • The Wash • West Arm |
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Quick Links New Melones Lake News New Melones Lake Photos New Melones Lake Videos |
