Ezra Klein put together some Census and exit poll data yesterday to produce a table showing which income groups are over- or under-represented in the electorate and how those groups voted in 2008. But why do a table when you can make a graphic? In the chart below, higher red bars indicate more Democratic income groups, and higher blue bars indicate over-representation of particular income groups in the electorate.
The chart nicely shows that the most under-represented segments of the population are, in fact, the most Democratic. (Ezra calculates this cost Obama 2.3 percent of the vote.) Interestingly, the most over-represented groups are not the wealthiest, but those making between $50,000 and $100,000 a year.
1 comment:
You forgot to rescale by the size of the income cohort. 220K+ people are 6% of the electorate and 3.8% of the population, so their voting representation is 158% of their population share.
In contrast, the 50-75K cohort has "only" 117% of their expected voting share.
By the same scale, the voting power of the poorest cohort is under half of their population share.
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