Columbia County, OR

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

Cities In Columbia County
Clatskanie
Columbia City
Deer Island
Portland
Rainier
Saint Helens
Scappoose
Vernonia
Warren

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