Grundy County, IA
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            Grundy County Population: 12,369 Population Density: 24.6 per square mile Water Area Percentage: 0.01% (0.03 square miles) Land Area Percentage: 99.99% (502.51 square miles) Total Area: 502.55 square miles Housing Units: 5,304 per square mile County Links  | 
        
            
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