lol You're not dumb, that's a very good question. This is my first election too, I was only 16 during the last one :D
Google your county's election board and there should be links to find out where your polling place is.
Or if you'd rather call the election board, you can do that as well. They'll probably ask for your name and birthday (maybe just your name), and they can tell you where your polling place is.
at 8:09 PM on Nov. 2, 2008