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Grant County, SD
| Grant County Population: 7,847 Population Density: 11.5 per square mile Water Area Percentage: 0.78% (5.40 square miles) Land Area Percentage: 99.22% (682.51 square miles) Total Area: 687.91 square miles Housing Units: 3,456 per square mile County Links Lakes In Grant County • Big Stone Lake | 
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| Quick Links Blue Sluice Lake News Blue Sluice Lake Photos Blue Sluice Lake Videos | 





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