You need 20 posts before you can participate in the buy, sell, trade forums. So for now check out the link Wyandottes gave you for your state thread. You may have someone near by and be able to see the birds before you buy, and not need to have them shipped.
You will find a lot of good information here. Keep on asking questions and you will get many good answers.
You may also want to read the FAQ below.
Go to your local feed store and ask if they know any one selling chickens. They want to increase their customer base and are happy to help people become new chicken owners. Roosters are easy to come by. Hens not so easy. You can also search for hatcheries. Most sell day old chicks, but some sell full grown chickens also.
If you want to start from day old chicks, there are a lot of hatcheries who will ship them to you. There is a lot of information on this web site on taking care of them.