Maryland

In 2000, 2,304 or 2.06% of children ages 3-21 who received special education services in Maryland have autism. In 2014-2015, 10,472 or 10.1% of children with disabilities ages 3-21 who received special education services have autism.

Michigan

In 2000, 4,706 or 2.13% of children ages 3-21 who received special education services in Michigan have autism. In 2014-2015, 17,218 or 8.69% of children with disabilities ages 3-21 who received special education services have autism.

Minnesota

In 2000, 2,793 or 2.54% of children ages 3-21 who received special education services in Minnesota have autism. In 2014-2015, 16,984 or 13.5% of children with disabilities ages 3-21 who received special education services have autism.

Mississippi

In 2000, 419 or 0.67% of children ages 3-21 who received special education services in Mississippi have autism. In 2014-2015, 4,027 or 6.06% of children with disabilities ages 3-21 who received special education services have autism.

• How many children were identified with ASD? 1 in 70 children (or 14.2 per 1,000 8-year-olds) was identified with ASD. ASD.
• Which children were more likely to be identified with ASD? Boys were almost 5 times more likely to be identified with ASD than girls. 

missouri

The Missouri Autism and Developmental Disabilities Monitoring Project (MO-ADDM) identified 359 children with autism spectrum disorder (ASD), including children with and without a diagnosis documented in their records. 

1 in 43 boys was identified with ASD. 1 in 200 girls was identified with ASD. White children were more likely to be identified with ASD than black children1. 1 in 73 white children was identified with ASD. 1 in 119 black children was identified with ASD. 1 in 81 Hispanic children was identified with ASD. 1 in 118 Asian or Pacific Islander children was identified ASD.

• When were children first evaluated for developmental concerns? 54% of children identified with ASD were evaluated for developmental concerns by the time they were 3 years old.
• When were children first diagnosed with ASD by a community provider2? On average, children were diagnosed at age 3 years and 10 months, even though children can be diagnosed as early as age 2 years.

When looking at age of first diagnosis by subtype, on average, children were diagnosed with:

Autistic disorder at age 4 years and 11 months. Pervasive developmental disorder-not otherwise specified (PDD-NOS) at age 3 years and 3 months. Asperger disorder at age 6 years and 3 months.

montana

In 2000, 203 or 1.06% of children ages 3-21 who received special education services in Montana have autism. In 2014-2015, 680 or 4.00% of children with disabilities ages 3-21 who received special education services have autism.

nebraska

In 2000, 374 or 0.87% of children ages 3-21 who received special education services in Nebraska have autism. In 2014-2015, 3,068 or 6.48 % of children with disabilities ages 3-21 who received special education services have autism.

nevada

In 2000, 493 or 1.29% of children ages 3-21 who received special education services in Nevada have autism. In 2014-2015, 5,946 or 11.1% of children with disabilities ages 3-21 who received special education services have autism.

new hampshire

In 2000, 397 or 1.32% of children ages 3-21 who received special education services in New Hampshire have autism. In 2014-2015, 2,573 or 8.88% of children with disabilities ages 3-21 who received special education services have autism.

new jersey

In 2000, 3,322 or 1.50% of children ages 3-21 who received special education services in New Jersey have autism. In 2014-2015, 17,803 or 7.66 % of children with disabilities ages 3-21 who received special education services have autism.

new mexico

In 2000, 231 or 0.44% of children ages 3-21 who received special education services in New Mexico have autism. In 2014-2015, 2,477 or 5.19% of children with disabilities ages 3-21 who received special education services have autism.

Source: Reported by the State of New Mexico in accordance with Section 618 of IDEA to U.S. Department of Education, Office of Special Education Programs

new york

In 2000, 8,187 or 1.87% of children ages 3-21 who received special education services in New York have autism. In 2014-2015, 32,116 or 6.57 % of children with disabilities ages 3-21 who received special education services have autism. 

north carolina

In 2000, 2,635 or 1.52% of children ages 3-21 who received special education services in North Carolina have autism. In 2013-2014, 15,650 or 8.1 % of children with disabilities ages 3-21 who received special education services have autism.

north dakota

In 2000, 135 or 0.99% of children ages 3-21 who received special education services in North Dakota have autism. In 2014-2015, 939 or 6.89 % of children with disabilities ages 3-21 who received special education services have autism.

ohio

In 2000, 2,543 or 1.07% of children ages 3-21 who received special education services in Ohio have autism. In 2014-2015, 21,213 or 8.35% of children with disabilities ages 3-21 who received special education services have autism.

oklahoma

In 2000, 675 or 0.79% of children ages 3-21 who received special education services in Oklahoma have autism. In 2014-2015, 4,885 or 4.26% of children with disabilities ages 3-21 who received special education services have autism.