Well, isn't that interesting. Consider this:

In the richest, Massachusetts’ Nantucket County, where average annual household income is over $137,000, Obama won by 63 percent to Romney’s 36 percent with all precincts reporting. The richest county in Romney’s home state is also where, just prior to accepting the Republican nomination, the former Massachusetts governor held a $75,000-per-person dinner fundraiser. 

In none of the richest counties was the margin of victory wider than in California’s Marin County, just north of San Francisco, where the president won by 74 percent to 23 percent, with all precincts reporting. In Marin, the average annual household income is $128,544.

The limo-liberal vote is alive and well!