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Pythaglio: U.S. Population Density by County, 1790
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Pythaglio: U.S. Population Density by County, 1800
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Pythaglio: U.S. Population Density by County, 1810
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Pythaglio: U.S. Population Density by County, 1820
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Pythaglio: U.S. Population Density by County, 1830
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Pythaglio: U.S. Population Density by County, 1840
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Pythaglio: U.S. Population Density by County, 1850
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Pythaglio: U.S. Population Density by County, 1860