6. Pennsylvania
Rate: 0.90%
As you can guess, there is Autism Speaks organization that is offering its services to affected people. However, since the rate is pretty high, there are also other organizations that are dedicated to helping autistic people and their families. Among others, there is a Bureau of Autism Services that is dedicated to enhancing the quality of life of people who are living with this kind of disorder as well as many autism therapists who have the same goal.