deborah alfarone tried to find out if your vote really does count. >>reporter: on the eve of when most will cast the ballot, tonight the question is, do you think your vote count? >> i don't know. with, the bush/gore election, with the troarl college. >>reporter: the electoral college. you can google it, but when you get to 270, you're the president. does your vote count? >> yes, it does, i'm in northern virginia. >> we're in new hampshire, it's a swing state, so i think it does. >>reporter: location, location, location. where you are equals how much your vote really moves the meter. california has the most electoral votes at 55, d.c., one of the spots that share the least, three. >> we wish we can vote so we can vote for obama. >>reporter: oh. so where are you guys from? >> from italy. >>reporter: the farther down the ballot you go, the more impact. in 19 neuro, the vote for maryland's government was decided by 5,993 votes. in 2010, montana republican tom burnett beat his rifle for the house by -- rival for the house by 71 votes. after a recount in