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San Augustine County, TX
| San Augustine County Population: 8,946 Population Density: 16.9 per square mile Water Area Percentage: 10.86% (64.34 square miles) Land Area Percentage: 89.14% (527.87 square miles) Total Area: 592.21 square miles Housing Units: 5,356 per square mile County Links Waterfalls In San Augustine County • Buck Bay • Coleman Bay • Five Fingers Lakes In San Augustine County • Sam Rayburn Reservoir | 
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