Sioux County, ND
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            Sioux County Population: 4,044 Population Density: 3.7 per square mile Water Area Percentage: 3.03% (34.18 square miles) Land Area Percentage: 96.97% (1,094.12 square miles) Total Area: 1,128.30 square miles Housing Units: 1,216 per square mile County Links Waterfalls In Sioux County • Slaughterhouse Bay  | 
        
            
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				Quick Links Vallecito Lake News Vallecito Lake Photos Vallecito Lake Videos  | 
		

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