4. New Mexico
Rate: 0.40%
Did you know that one of the states with the lowest autism rates in the United States is New Mexico that ranks 4th on our list of states with the lowest rates of autism in the US? Even though it is one of the states with the lowest rates, it still has many organizations and autism therapists to help the people and families that are already affected by this disorder. When it comes to organizations, among the most popular are Autism Speaks, New Mexico Autism Society and UNM Center for Development and Disability.