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The 2009 Jefferson County, AL, population is 658,779. There are 591 people per square mile (population density).
The median age is 37. The US median is 37.6. 53.62% of people in Jefferson County, AL, are married. 11.33% are divorced.
The average household size is 2.36 people. 20.22% of people are married, with children. 10.33% have children, but are single.
55.52% of people are white, 40.97% are black, 1.18% are asian, 0.20% are native american, and 1.76% claim 'Other'.
2.03% of the people in Jefferson County, AL, claim hispanic ethnicity (meaning 97.97% are non-hispanic).
Jefferson, AL People data
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