Washington County, OR
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            Washington County Population: 445,342 Population Density: 615.3 per square mile Water Area Percentage: 0.36% (2.63 square miles) Land Area Percentage: 99.64% (723.75 square miles) Total Area: 726.38 square miles Housing Units: 178,913 per square mile County Links  | 
        
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				Quick Links Pardee Reservoir News Pardee Reservoir Photos Pardee Reservoir Videos  | 
		

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