Johnson County, AR
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            Johnson County Population: 22,781 Population Density: 34.4 per square mile Water Area Percentage: 3.01% (20.57 square miles) Land Area Percentage: 96.99% (662.17 square miles) Total Area: 682.74 square miles Housing Units: 9,926 per square mile County Links Lakes In Johnson County • Dardanelle Lake  | 
        
            
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