10. South Carolina
Rate: 0.40%
When we are talking about states with the lowest autism rates in America, you should know that South Carolina is one of them. However, just like any other state, South Carolina is working hard to decrease the number of people with autism by offering support and help to those already affected and by spreading awareness. There are different organizations like Autism Speaks, South Carolina Autism Society, Autism Academy of South Carolina and many autism therapists in South Carolina and they are working tirelessly to decrease the rate.