Here is a site that tells you what marketeers think about you and the area you live in based on your zip code. Go to click here and enter your zip code. (Also be sure to check out the drop down box above the zip code box to see two other categories (P$ycle and ConneXions) to see how they have further defined you.)
I did this for Ridge and Scotland zip codes and never knew those folks in Ridge were so much more upscale than the Scotland residents. Check it out.