It's striking how the emptiest places in the country are enriched with fervent conservatives. People are always fretting over how conservatives are outbreeding liberals, but it seems to me that that actually works in liberals' favor — as communities become larger and more interdependent, as people grow up aware of social support systems, as their numbers create richer opportunities for education, there's a trend towards embracing liberal values.
Of course, there is the alternative explanation:
Hm. Amusing thought; when Mao Tse Tung sent all the "Counterrevolutionary Intellectuals" to the country to work in the fields, it's quite possible that he was sowing the seeds for the end of Maoist thought.