Autism prevalence 4-year-olds select states U.S. 2022| Statista

The prevalence rate of autism spectrum disorder among four-year-old children in Missouri was around 24.8 per 1,000 children in 2022. Autism spectrum disorder is a developmental disability characterized by deficits in social communication and interaction as well as repetitive behavior, interest, or activity patterns. This statistic displays the estimated prevalence of autism spectrum disorder among children aged four years in select U.S. states in 2022.

Prevalence of autism spectrum disorder among children aged 4 years in surveillance areas in select U.S. states in 2022* (per 1,000 children)

Characteristic	Prevalence per 1,000 children aged 4 years
California	60.6
Pennsylvania	42.7
New Jersey	36.4
Tennessee	36.3
Wisconsin	36.2
Total	29.3
Minnesota	25
Missouri	24.8
Arkansas	24.6
Maryland	24.1
Georgia	20.4
Arizona	19.4
Utah	18.2
Texas (Austin)	16.8
Texas (Laredo)	14.2
Indiana	12.9

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Release date

April 2025

More information

Region

United States

Survey time period

2022

Age group

4 years

Supplementary notes

* Surveillance area descriptions:

Arizona: Part of one county in metropolitan Phoenix.

Arkansas: 21 counties in central Arkansas.

California: Part of one county in metropolitan San Diego.

Georgia: Three counties in metropolitan Atlanta.

Indiana: One county in metropolitan Indianapolis.

Maryland: Five counties in the Baltimore area.

Minnesota: Parts of three counties in the Twin Cities metropolitan area.

Missouri: Three counties in metropolitan St. Louis.

New Jersey: Two counties in the New York metropolitan area.

Pennsylvania: One county in suburban Philadelphia.

Tennessee: 11 counties in middle Tennessee.

Texas (Austin): Part of one county in south central Texas. The site name reflects the location of the surveillance team and not the surveillance area.

Texas (Laredo): One county in south Texas.

Utah: Three counties in northern Utah.

Wisconsin: Eight counties in southeastern Wisconsin.

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