I found this interactive map from the Chronicle of Philanthropy fascinating and informative. Just type in your zip code, or any zip code in the country into the "search" slot to get the rundown on how much your friends and neighbors give to charity.

The fascinating part is, the map breaks down giving by income groups. And from the zip codes I've checked out, the poorer people are the higher percentage of income they give to charities. Often they give in double digits. As you click up the ladder to higher and higher incomes, you see percentage of giving drop [More]