According to the US Census
information updated in 2010
POPULATION
38,827
DEMOGRAPHIC INFO
Population By Sex/Age
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Male: 19,945
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Female: 18,882
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Under 18: 8,596
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Over 18: 30,231
Population By Race:
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White: 34,315
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African American: 3,251
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Asian: 246
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American Indian & Alaskan Native: 85
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Native Hawaiian & Pacific Islander: 7
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Other: 299
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Identified by two or more: 624
LOCATION
According to data gathered for the 2010 census, Jefferson County occupies a total area of 583.78 square miles, of which 571.17 square miles (or 97.84%) is land and 12.62 square miles (or 2.16%) is water.
Major Roadways:
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Interstate 57
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Interstate 64
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U.S. Highway 51
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Illinois Route 15
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Illinois Route 37
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Illinois Route 142
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Illinois Route 148