Johnson County, IL
Johnson County Population: 12,878 Population Density: 37.4 per square mile Water Area Percentage: 1.22% (4.25 square miles) Land Area Percentage: 98.78% (344.63 square miles) Total Area: 348.88 square miles Housing Units: 5,046 per square mile County Links Waterfalls In Johnson County • Bethlehem Bay • Shawnee Bay Lakes In Johnson County • Lake of Egypt |
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