Decatur County, IA
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            Decatur County Population: 8,689 Population Density: 16.3 per square mile Water Area Percentage: 0.29% (1.52 square miles) Land Area Percentage: 99.71% (531.80 square miles) Total Area: 533.32 square miles Housing Units: 3,833 per square mile County Links  | 
        
            
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