Likely Iowa Republican caucusgoers are a highly educated bunch who are not wildly out of step with the rest of America in their religious profile.

That's the stereotype-bucking picture that emerges of those who will get the nation's first crack at narrowing the Republican presidential field early next year, based on demographic statistics gleaned from a Des Moines Register Iowa Poll taken June 19 to 22 and four Iowa Polls from the 2008 caucus cycle.

Here's what you might not know about this group:

- About half have a college degree or higher. That's more than Iowa adults or Americans in general.