don't search by solely income. it depends on what you like. i'm applying to law school next year but have no intention of practicing law for a very long time. if i could do it over, i probably would have done mechanical engineering. neither are really guaranteed "six-figure jobs" because it all depends on the job you get.
fart around on salary.com and remember, salary is directly proportional with how much schooling you get. a college grad will make far less then a ph.d grad. unfortunately for us, a bachelor degree doesn't get you where it used to