Gilpin County, CO
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            Gilpin County Population: 4,757 Population Density: 31.7 per square mile Water Area Percentage: 0.26% (0.39 square miles) Land Area Percentage: 99.75% (149.87 square miles) Total Area: 150.25 square miles Housing Units: 2,929 per square mile County Links  | 
        
            
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				Quick Links Sandy River Reservoir News Sandy River Reservoir Photos Sandy River Reservoir Videos  | 
		

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