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Johnston County, OK
| Johnston County Population: 10,513 Population Density: 16.3 per square mile Water Area Percentage: 2.09% (13.78 square miles) Land Area Percentage: 97.91% (644.50 square miles) Total Area: 658.29 square miles Housing Units: 4,782 per square mile County Links | 
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| Quick Links Monroe County Lake News Monroe County Lake Photos Monroe County Lake Videos | 





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