It has now passed into the realm of political cliché that there are red states and blue states. Like so many commonplaces there is a certain truth to the analysis. We expect Mississippi to vote differently than Minnesota, Indiana differently than Illinois, and Vermont differently than New Hampshire (the last a point made elegantly by Jason Kaufman in describing the divergence of political cultures). States have different political cultures, which are based on their histories, their values, and their economies.

However, even in the most garishly red of states, Democrats often get 2/5 of the vote, and the same is true in the most azure domains for Republicans. But what are we to make of these divides and these common tendencies? A potentially more powerful way of understanding politics is to recognize that even more than geography, occupations have political cultures. It is very often true that you vote as you work. While this has been recognized by political consultants as they target their mailings and by sociologists who examine what produces individual-level voting decisions by studying broad occupational categories, the red job/blue job divide has not captured the public which thinks in terms of land.

Research from the General Social Survey run by the National Opinion Research Center at the University of Chicago asked respondents their political preferences and their occupations. Based on surveys from 1996 to 2008, sociologists David Grusky and Kim Weeden constructed occupational categories which can be compared in light of political affiliations. The surveys focus on the basic division between liberals and conservatives (and self-professed moderates, who typically comprise half to two-thirds of any occupational group). While even these categories are somewhat broader than are desired for the examination of the local cultures of work, they serve adequately for making this point.

The results demonstrate vividly that there are substantial differences between jobs. For example, fewer than 5% of all bartenders consider themselves to be conservatives, while 27% admit to being liberals. This is a ratio . . .

Read more: Red Jobs, Blue Jobs