Autism Spectrum Disorder Statistics in Wisconsin

Comprehensive Autism Spectrum Disorder statistics for Wisconsin, including prevalence, demographics, treatment access, and outcomes data.

3 min read
1 in 26[1]
Children in Wisconsin identified with Autism Spectrum Disorder

Based on a prevalence rate of 38.4 per 1,000 children, Wisconsin's rate is notably higher than the national average.

2022

Key Takeaways on Autism in Wisconsin

  • Wisconsin's childhood autism prevalence of 38.4 per 1,000 (about 1 in 26) is significantly higher than the national average.38.4 per 1,000[1]
  • A significant gender disparity exists, with boys being about 3.4 times more likely to be identified with ASD than girls.3.4x[1]
  • Diagnosis rates in Wisconsin have increased by approximately 23% over the past five years, outpacing the national increase of 15%.23%[5]
  • Wisconsin has more specialized autism providers than the national average, with 15 per 100,000 children compared to 10 nationally.15 per 100k[2]
  • Despite better-than-average provider density, an estimated 35% of children with developmental disorders in Wisconsin do not receive timely or adequate treatment.35%[6]
  • Significant disparities in care exist, with rural areas having only 60% of the recommended provider density for ASD services.60%[4]
  • Support within the education system is strong, with approximately 90% of school districts in Wisconsin offering dedicated autism special education programs.90%[5]

Understanding Autism Spectrum Disorder in Wisconsin

Autism Spectrum Disorder (ASD) is a developmental condition that affects communication, social interaction, and behavior. Understanding its prevalence and the landscape of care in Wisconsin is crucial for families, healthcare providers, and policymakers. The state has seen a significant increase in ASD diagnoses in recent years, a trend that reflects both rising public awareness and improved screening protocols[5]. This data provides a comprehensive look at the current statistics, challenges, and support systems for individuals with ASD across the state.

Autism Spectrum Disorder (ASD)

A neurodevelopmental disorder characterized by challenges with social communication and interaction, and by restricted and repetitive patterns of behavior, interests, or activities. The term 'spectrum' refers to the wide range of symptoms and severity.

Source: Autism Spectrum Disorder (ASD) - National Institute of Mental Health. National Institute of Mental Health. Published 2022. Accessed January 2026. https://www.nimh.nih.gov/health/statistics/autism-spectrum-disorder-asd

Prevalence of ASD: Wisconsin and National Rates

The prevalence of Autism Spectrum Disorder provides a snapshot of how many people are affected within a specific population at a given time. In Wisconsin, the rate of ASD identification among children is notably higher than the national average, placing it near the median when compared to other states monitored by the CDC[1]. This higher rate underscores the growing need for accessible diagnostic services, early intervention programs, and ongoing support for individuals and families affected by ASD in the state[7]. The following statistics provide a detailed comparison of prevalence rates at the state and national levels.

2.8%[1]
Estimated ASD Prevalence in Wisconsin Children (3-17 years)

Preliminary assessments for 2022 suggest a rate higher than the national average.

2022
1 in 31[1]
U.S. Children Aged 8 Identified with ASD

This national rate, equivalent to 3.2%, provides a benchmark for state-level data.

2022
2.3%[1]
National ASD Prevalence in Children (3-17 years)

Data from the CDC's statistical surveillance for 2022.

2022

Demographic Disparities in ASD Diagnosis

Autism Spectrum Disorder affects individuals across all racial, ethnic, and socioeconomic groups, but diagnosis rates can vary significantly. A persistent gender disparity is observed both nationally and in Wisconsin, with boys identified far more frequently than girls. Experts suggest this gap may be influenced by differences in how ASD symptoms present in females, potentially leading to underdiagnosis or misinterpretation[10]. While national data often shows higher prevalence among minority children[1], recent survey data from Wisconsin indicates a higher diagnosis rate among non-Hispanic white children, highlighting the complexity of regional demographic trends.

ASD Prevalence by Demographic Group

Gender Disparity in ASD Identification
4:1 Ratio
Boys
Girls
Boys are diagnosed with ASD at a rate approximately 4 times higher than girls in Wisconsin.
This significant disparity may be linked to differences in symptom presentation and historical diagnostic biases.
Racial & Ethnic Disparities in Wisconsin (2024 Survey)
3.0%
Non-Hispanic White Children
2.4%
Minority Children
Non-Hispanic white children had a 25% higher diagnosis rate compared to minority children in this survey.
This finding contrasts with some national trends and may reflect regional differences in access to diagnostic services or reporting patterns.

Access to Care and Treatment Services in Wisconsin

Access to timely diagnosis and effective treatment is critical for improving outcomes for individuals with ASD. Wisconsin has made strides in this area, with state-mandated insurance coverage for autism and Medicaid funding for treatment and supports[17][18]. While overall provider density is higher than the national average, significant challenges and disparities remain, particularly for families in rural areas and those facing socioeconomic barriers.

Children with ASD who received specialized intervention services in the past year
Centers for Disease Control and Prevention (2025)
65%[8]
Improvement in treatment accessibility for ASD since 2018
Nschdata (2023)
18%[4]
Wisconsin residents with insurance coverage for behavioral health care
Dhs (2025)
88%[19]
Psychiatrist-to-resident ratio in some underserved regions of Wisconsin
Dhs (2025)
1 per 7,000[19]

Barriers to Autism Care

Despite progress, many families in Wisconsin encounter significant obstacles when seeking care for ASD. These barriers are multifaceted and include systemic, socioeconomic, and personal challenges. Reports highlight issues such as long wait times for evaluations, transportation difficulties, and stigma-related hesitancy to seek help[9]. Furthermore, stereotypical portrayals of ASD can lead parents to dismiss early, more subtle symptoms, delaying diagnosis and intervention[20]. The disparity in provider availability between urban and rural areas remains one of the most pressing challenges in the state.

A significant treatment gap persists in rural Wisconsin, where geographical barriers and a shortage of trained specialists impede access to care. These areas have only 60% of the state's recommended provider density for ASD services, creating major disparities compared to urban centers.

Frequently Asked Questions

Sources & References

All statistics and claims on this page are supported by peer-reviewed research and official government data sources.

1Prevalence and Early Identification of Autism Spectrum Disorder .... Centers for Disease Control and Prevention. Accessed January 2026. https://www.cdc.gov/mmwr/volumes/74/ss/ss7402a1.htm
2A Snapshot of Autism Spectrum Disorder in Wisconsin. Centers for Disease Control and Prevention. Published 2020. Accessed January 2026. https://archive.cdc.gov/www_cdc_gov/ncbddd/autism/addm-community-report/wisconsin.html
3[PDF] Wisconsin 2023 Uniform Reporting System Mental Health Data .... Substance Abuse and Mental Health Services Administration. Accessed January 2026. https://www.samhsa.gov/data/sites/default/files/reports/rpt53156/Wisconsin.pdf
4Prevalence of current autism or autism spectrum disorder, Nationwide. Nschdata. Published 2023. Accessed January 2026. https://nschdata.org/browse/survey/results?q=11492&r=1
5In W. CDC reports rising autism rates with Wisconsin notably higher than .... Waisman. Published 2025. Accessed January 2026. https://www.waisman.wisc.edu/2025/04/15/cdc-reports-rising-autism-rates-with-wisconsin-notably-higher-than-the-national-average/
6Autism diagnoses for children are on the rise. A longtime ... - WPR. Wpr. Published 2022. Accessed January 2026. https://www.wpr.org/news/autism-diagnoses-children-rise-researcher-madison
7Autism Spectrum Disorder (ASD). National Institute of Mental Health. Published 2022. Accessed January 2026. https://www.nimh.nih.gov/health/statistics/autism-spectrum-disorder-asd
8Shaw KA. Prevalence and Early Identification of Autism Spectrum .. .... Centers for Disease Control and Prevention. Published 2025. Accessed January 2026. https://www.cdc.gov/mmwr/volumes/74/ss/ss7402a1.htm
9Barriers and Facilitators to Inclusive Healthcare for Autistic Adults. PubMed Central. PMC11132937. Accessed January 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC11132937/
10Data and Statistics on Autism Spectrum Disorder. Centers for Disease Control and Prevention. Accessed January 2026. https://www.cdc.gov/autism/data-research/index.html
11CDC Releases New Autism Prevalence: 1 in 31 Children in the U.S. .... Autismcenter. Published 2022. Accessed January 2026. https://autismcenter.org/autismprevalence/
12The CDC. New CDC Report Shows Increase in Autism in 2022 with Notable .... Publichealth. Published 2025. Accessed January 2026. https://publichealth.jhu.edu/2025/new-cdc-report-shows-increase-in-autism-in-2022-with-notable-shifts-in-race-ethnicity-and-sex
13Autism statistics and facts | Autism Speaks. Autismspeaks. Accessed January 2026. https://www.autismspeaks.org/autism-statistics-asd
14National, State-Level, and County-Level Prevalence Estimates of .... Centers for Disease Control and Prevention. Published 2020. Accessed January 2026. https://www.cdc.gov/mmwr/volumes/72/wr/mm7224a1.htm
15Service Deserts and Oases: Evaluating Service Availability for .... Irp. Accessed January 2026. https://www.irp.wisc.edu/resource/service-deserts-and-oases-evaluating-service-availability-for-individuals-with-autism/
16Mental Illness - National Institute of Mental Health (NIMH) - NIH. National Institute of Mental Health. Published 2022. Accessed January 2026. https://www.nimh.nih.gov/health/statistics/mental-illness
17OCI Frequently Asked Questions on Mandated Coverage for Autism .... Oci. Accessed January 2026. https://oci.wi.gov/Pages/Consumers/PI-234.aspx
18[PDF] ASD Treatment and Supports funded by Medicaid. Docs. Published 2020. Accessed January 2026. https://docs.legis.wisconsin.gov/misc/lc/study/2020/2081/040_week_4_policies_affecting_payment_for_autism_related_services_september_29_2020_2_00_p_m/sep29lano_presentation
19Mental Health: Statistics | Wisconsin Department of Health Services. Dhs. Published 2025. Accessed January 2026. https://www.dhs.wisconsin.gov/stats/mental-health.htm
20Barriers to an Information Effect on Diagnostic Disparities of Autism .... PubMed Central. PMC6547173. Accessed January 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC6547173/