Ever see a nice house and wonder How Much Do They Make? If you have the zip code, you can check out the average income in the area. A high school friend just sent their new address. Find out how much the average household makes in the area.
Holy crap. I've been looking for a website just like this my whole life! Oh wait. That's why I made it. There is so much interesting information in the US Census. This is just one example I did for fun.
Are They Rich?