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Johnson County, IN
| Johnson County Population: 115,209 Population Density: 359.8 per square mile Water Area Percentage: 0.42% (1.36 square miles) Land Area Percentage: 99.57% (320.19 square miles) Total Area: 321.56 square miles Housing Units: 45,095 per square mile County Links | 
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| Quick Links Atwood Lake News Atwood Lake Photos Atwood Lake Videos | 





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