The Washington Post sums up a study by Pew that determined voting patterns among demographic groups.
In the Post's summary, they list the ten most loyal voting groups for Republicans and Democrats.
Here is the Post story, and here's a link to the original study. Check them out - if you do a detailed campaign plan - which should include demographic analysis - this might help you determine where your strengths and weaknesses lie.
It's a study I'll be saving and checking back on as I create campaign plans for my clients.
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