Religious Affiliation by Median Household Income (2000)
Household income, an indicator of social class, can also indicate what religious denomination a person is likely to embrace. America's top income bracket is more likely than other groups to be Jewish, while the lowest bracket is more likely to be Jehovah's Witnesses.
Source
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"Introduction to Sociology/Religion."
http://en.wikibooks.org/wiki/Introduction_to_Sociology/Religion%23Religion_and_Class
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