Do Obama and McCain supporters live in parallel universes? Not quite, but there are differences

• Nearly a quarter of Obama's voters were under age 30, almost double the share of McCain's.

• Ninety percent of McCain's voters and 61 percent of Obama's were white.

• A quarter of Obama's backers and 1 percent of McCain's were black.

• Half of McCain's voters attend religious services weekly or more, compared with a third of Obama's.

• Almost six in 10 of Obama's voters are in worse financial shape than four years ago, double the number of McCain's.

• About six in 10 of McCain's voters have a gun in their household, twice the rate of Obama's.