This link is too a website that lets you know what your Median Income looks like. All you have to do is insert your ZIP Code and your yearly income. Then they will divide it and figure out how much money you make after the government has taken their share of your money.
http://www.marketplace.org/sites/default/iframes/income_upshot/index.html
http://www.marketplace.org/sites/default/iframes/income_upshot/index.html