ADHD Statistics in Maine

Comprehensive ADHD statistics for Maine, including prevalence, demographics, treatment access, and outcomes data.

4 min read
10.5%[2]
of children aged 3-17 in Maine have a current ADHD diagnosis

This rate is slightly above the national average and represents an estimated 22,172 children in the state.

2018-2019

Key Takeaways on ADHD in Maine

  • Maine's childhood ADHD prevalence of 10.5% is slightly higher than the U.S. national average of 9.8%.10.5%[2]
  • Approximately 65% of children diagnosed with ADHD in Maine receive treatment, which includes medication or behavioral therapy.65%[6]
  • Significant barriers to care exist, with families facing wait times of up to six months for an initial ADHD assessment.[3]
  • Maine is designated a Health Professional Shortage Area, with only one mental health provider for every 3,500 residents, a lower ratio than the national average.1 per 3,500[8]
  • The state's suicide rate of 18.3 per 100,000 people is notably higher than the U.S. average, highlighting the severe outcomes associated with untreated mental health conditions.18.3 per 100k[9]
  • To address care gaps, Maine is investing over $237 million in behavioral health reforms aimed at improving access and increasing provider reimbursement rates through MaineCare.[10]

ADHD Prevalence in Maine and the U.S.

Understanding the prevalence of Attention-Deficit/Hyperactivity Disorder (ADHD) is the first step in addressing its impact on communities. In Maine, the rate of ADHD diagnosis in children is slightly higher than national estimates, positioning it as a significant public health concern for the state. Data from the National Survey of Children’s Health (NSCH) indicates that 12.1% of children in Maine have ever received an ADHD diagnosis[11]. Nationally, studies suggest the prevalence among U.S. children aged 3-17 is between 9.6% and 10.5%[1], affecting an estimated 7 million children[1]. The following statistics provide a detailed look at ADHD rates and the broader context of mental health in Maine.

11.1%[11]
Children in Maine with a current ADHD diagnosis

Based on parent-reported data from 2016-2019.

2016-2019
8.7%[12]
Children in the U.S. with a current ADHD diagnosis

National average based on parent reports from 2016-2019.

2016-2019
20.5%[13]
Maine adults who experienced any mental illness in the past year

Provides a broader view of the state's mental health landscape.

2023
4.2%[13]
Maine adults who met criteria for serious mental illness

Indicates the proportion of the adult population with significant functional impairment.

2023
ADHD prevalence estimates can vary based on methodology. Studies using parent-reported surveys often yield higher figures than those based on clinical records or structured diagnostic interviews.

ADHD Treatment Landscape in Maine

While diagnosis is the first step, access to effective treatment is crucial for managing ADHD symptoms and improving long-term outcomes. In Maine, a significant portion of children with ADHD receive care, but gaps remain, particularly in behavioral therapy. Nationally, nearly one in four children with ADHD receives no treatment at all[7]. The data below compares treatment utilization in Maine to national averages, highlighting where the state aligns with and differs from broader trends.

Clinical guidelines often recommend behavioral interventions as the first-line therapy for younger children[2], yet medication remains a more common treatment. In Maine, clinicians often use integrated approaches that combine medication, therapy, and coaching to optimize patient outcomes[15].

Children Receiving Behavioral Therapy for ADHD
47.2%
United States
45.4%
Maine
Maine's rate is slightly below the national average
This gap may be influenced by provider shortages and access barriers, especially in rural areas of the state.
Children Receiving Medication for ADHD
62.2%
United States
61%
Maine
Medication rates in Maine are comparable to the national average
While medication use varies widely by state (from 37.8% to 81.4%), Maine's rate is consistent with national trends.

Demographic Factors in ADHD Diagnosis

ADHD does not affect all populations equally. National data reveals significant disparities in diagnosis rates based on age and gender. These differences are often attributed to variations in how symptoms present and potential biases in clinical awareness and diagnostic practices. For instance, boys are diagnosed with ADHD at more than twice the rate of girls, which may be due to boys more frequently exhibiting externalizing hyperactive symptoms[7]. Similarly, symptoms may become more apparent as children enter adolescence, leading to higher prevalence rates in older age groups[14]. Socioeconomic factors, including poverty levels and parental education, also influence both diagnosis and treatment access[17].

Challenges in Accessing Care

Despite efforts to improve services, many families in Maine face substantial hurdles when seeking ADHD diagnosis and treatment. The state's rural geography and a shortage of mental health professionals create significant access challenges. These barriers can delay critical interventions, potentially worsening long-term outcomes for individuals with ADHD. The provider shortage is particularly acute, with Maine having fewer mental health professionals per capita than the national average[8]. This scarcity contributes to long wait times and forces many to rely on primary care physicians for complex diagnoses and treatment management[17].

Wait period for an initial ADHD assessment in Maine
Americashealthrankings
Up to 6 months[3]
Ratio of mental health providers to residents in Maine
National Alliance on Mental Illness (2025)
1 per 3,500[8]
National average ratio of mental health providers to residents
National Alliance on Mental Illness (2025)
1 per 2,500[8]

State Initiatives and Emerging Solutions

In response to these challenges, Maine has launched several initiatives to improve access to care. The state government has passed legislation to enhance Medicaid (MaineCare) coverage for ADHD treatments, helping families afford both medication and behavioral therapies[20]. Additionally, the rise of specialized telehealth providers is helping to overcome geographic barriers, offering faster assessments and reducing costs compared to traditional in-person evaluations[5]. These efforts, combined with significant state investment, aim to create a more accessible and effective behavioral health system for all residents.

Outcomes of Untreated ADHD

The consequences of undiagnosed or inadequately treated ADHD can be severe and long-lasting. Individuals may face academic underachievement, job instability, lower income, and increased healthcare utilization over their lifetimes[21]. Furthermore, untreated ADHD is strongly correlated with a higher risk of co-occurring conditions, including anxiety, depression, and substance use disorders[21]. The elevated suicide rate in Maine underscores the critical need for timely and comprehensive mental health care to prevent the most tragic outcomes.

Suicide Rate per 100,000 Residents
18.3
Maine
14.2
United States
Maine's suicide rate is 29% higher than the national average
This stark difference highlights the urgent need for accessible mental health services and crisis support within the state.

Frequently Asked Questions

Sources & References

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

1Data and Statistics on ADHD - CDC. Centers for Disease Control and Prevention. Published 2022. Accessed January 2026. https://www.cdc.gov/adhd/data/index.html
2NSCH 2018 19: Prevalence of ADD or ADHD, Maine. Nschdata. Published 2022. Accessed January 2026. https://www.nschdata.org/browse/survey/results?q=7815&r=21
3Explore Mental Health Conditions (Diagnosed) - Children in Maine. Americashealthrankings. Accessed January 2026. https://www.americashealthrankings.org/explore/measures/mentalhealthconditions_overall/adhdcurrent_component/ME
4SAMHSA. Behavioral Health Treatment Services Report. Published 2023. https://www.samhsa.gov/data/report/2023-treatment-services (Accessed January 2, 2026).
5ADHD Services Available In Maine. Adhdonline. Accessed January 2026. https://adhdonline.com/state/maine/
6Mental & Behavioral Health - Maine Development Foundation. Mdf. Published 2022. Accessed January 2026. https://www.mdf.org/measures-of-growth/mental-behavioral-health/
724 ADHD Statistics and Facts for 2024 | ADHDAdvisor.org. Adhdadvisor. Published 2017. Accessed January 2026. https://www.adhdadvisor.org/learn/adhd-statistics-and-facts
8[PDF] Maine - National Alliance on Mental Illness (NAMI). National Alliance on Mental Illness. Published 2025. Accessed January 2026. https://www.nami.org/wp-content/uploads/2025/05/Maine-GRPA-Data-Sheet-8.5-x-11-wide.pdf
9[PDF] State Health Profile - Maine.gov. Maine. Published 2020. Accessed January 2026. https://www.maine.gov/dhhs/mecdc/sites/maine.gov.dhhs.mecdc/files/State%20Health%20Profile%20FINAL%207.21.25.pdf
10Maine DHHS Announces Historic Payment Reforms for Behavioral .... Maine. Accessed January 2026. https://www.maine.gov/dhhs/blog/maine-dhhs-announces-historic-payment-reforms-behavioral-health-2023-01-11
11State-based Prevalence of ADHD Diagnosis and Treatment 2016 .... Centers for Disease Control and Prevention. Published 2016. Accessed January 2026. https://www.cdc.gov/adhd/data/state-based-prevalence-of-adhd-diagnosis-and-treatment-2016-2019.html
12County-Level Prevalence Estimates of ADHD in Children in the .... PubMed Central. PMC10099151. Accessed January 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC10099151/
13[PDF] Maine 2023 Uniform Reporting System Mental Health Data Results. Substance Abuse and Mental Health Services Administration. Published 2023. Accessed January 2026. https://www.samhsa.gov/data/sites/default/files/reports/rpt53122/Maine.pdf
14Products - Data Briefs - Number 543 - December 2025 - CDC. Centers for Disease Control and Prevention. Published 2023. Accessed January 2026. https://www.cdc.gov/nchs/products/databriefs/db543.htm
15Attention Deficit Hyperactivity Disorder | ADHD. Mainehealth. Accessed January 2026. https://www.mainehealth.org/care-services/behavioral-health-care/attention-deficit-hyperactivity-disorder-adhd-mainehealth-behavioral-health
16California Department of Public Health. Mental Health and Wellbeing in California: Annual Statistical Summary. Published 2023. https://www.cdph.ca.gov/mentalhealth/AnnualSummary2023 (Accessed January 2, 2026).
17State-Level Estimates of the Prevalence of Parent-Reported ADHD .... PubMed Central. PMC9489617. Accessed January 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC9489617/
18Prevalence Ranking | Mental Health America. Mhanational. Accessed January 2026. https://mhanational.org/the-state-of-mental-health-in-america/data-rankings/prevalence-data/
19Key F. State Summaries Maine | 2023 Annual Report | AHR. Americashealthrankings. Published 2022. Accessed January 2026. https://www.americashealthrankings.org/publications/reports/2023-annual-report/state-summaries-maine
20[PDF] PUBLIC HEALTH ADVISORY - Maine.gov. Mobile. Published 2016. Accessed January 2026. https://mobile.maine.gov/dhhs/mecdc/sites/maine.gov.dhhs.mecdc/files/health-professionals/advisories/2025-03-/775_12826519_2024PHADV020PrescriptionAccess.pdf
21ADHD Prevalence and Pharmacies. Arcgis. Accessed January 2026. https://www.arcgis.com/apps/dashboards/fad7a61a073c4534afb44f5e26a2c20f
22The A. [PDF] Introducing an Adult ADHD Toolkit for Application in Collaborative .... Knowledgeconnection. Accessed January 2026. https://knowledgeconnection.mainehealth.org/cgi/viewcontent.cgi?article=1042&context=jmmc