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Richland County, SC
| Richland County Population: 320,677 Population Density: 423.9 per square mile Water Area Percentage: 1.98% (15.30 square miles) Land Area Percentage: 98.02% (756.41 square miles) Total Area: 771.72 square miles Housing Units: 129,793 per square mile County Links Lakes In Richland County • Lake Murray | 
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