Any Mental Illness Statistics in South Dakota

Comprehensive Any Mental Illness statistics for South Dakota, including prevalence, demographics, treatment access, and outcomes data.

3 min read
22.5%[2]
of adults in South Dakota experience Any Mental Illness (AMI)

This rate is higher than the national average of approximately 20%, indicating a significant public health concern within the state.

2025

Key Takeaways

  • Approximately one in five adults in South Dakota (20.2%) experiences a mental illness in a given year.20.2%[1]
  • Young adults aged 18-25 face the highest prevalence, with nearly 25% reporting symptoms of a mental illness.25%[2]
  • Significant racial disparities exist, with Native American individuals experiencing a 30% prevalence of AMI, substantially higher than other groups.30%[3]
  • A significant treatment gap persists, as approximately 60% of adults with a mental illness in the state do not receive any form of professional care.60%[2]
  • Access to care is a major challenge, with only 12 mental health providers per 100,000 residents, a figure well below the national average.12 per 100k[3]
  • The state's suicide rate of 18 per 100,000 people is notably higher than the U.S. average of 14 per 100,000.18 per 100k[2]
  • Youth in South Dakota experience higher rates of anxiety (10.6%) compared to the national average (9.2%).10.6%[2]

Understanding Mental Illness in South Dakota

Any Mental Illness (AMI) is a broad term for mental, behavioral, or emotional disorders that can vary in impact from mild to severe[3]. While many people experience mental health challenges, AMI refers to diagnosable conditions. In South Dakota, a rural state with unique demographic and geographic characteristics, understanding the prevalence and treatment of these conditions is crucial for developing effective public health strategies. While nearly half of all American adults may experience a mental health disorder at some point in their lives, annual statistics provide a snapshot of the current need for services and support[5].

Any Mental Illness (AMI)

A mental, behavioral, or emotional disorder. AMI can vary in impact, ranging from no impairment to mild, moderate, and even severe impairment (e.g., Serious Mental Illness).

Source: [PDF] South Dakota - National Alliance on Mental Illness (NAMI). National Alliance on Mental Illness. Published 2022. Accessed January 2026. https://www.nami.org/wp-content/uploads/2025/05/SouthDakota-GRPA-Data-Sheet-8.5-x-11-wide.pdf

Prevalence of Mental Health Conditions

Examining the prevalence of specific mental health conditions provides a more detailed picture of the challenges residents face. Beyond the general category of Any Mental Illness, data on conditions like Serious Mental Illness (SMI), anxiety, and depression highlight the specific needs within the state's population. These figures help healthcare providers and policymakers understand the scope of different disorders and allocate resources more effectively. South Dakota's prevalence rates for these conditions are comparable to national averages, but they underscore the consistent and widespread need for mental health support across communities.

Mental Health Conditions in South Dakota at a Glance

20.2%[1]
Adults with Any Mental Illness (AMI)

Past-year prevalence in 2022.

2022
4.7%[1]
Adults with Serious Mental Illness (SMI)

A subset of AMI that substantially interferes with major life activities.

2022
8.1%[6]
Adults with an Anxiety Disorder

Anxiety disorders are among the most common conditions in the state.

6.7%[6]
Adults with a Major Depressive Episode

Represents a significant portion of the population experiencing severe depression.

Disparities Across Demographics

Mental illness does not affect all South Dakotans equally. Significant disparities exist across age, race, gender, and geography, highlighting how social and economic factors can influence mental health. Young adults, Native American populations, and women consistently report higher rates of AMI. Furthermore, factors like rural isolation contribute to elevated prevalence in certain areas of the state[2]. Understanding these differences is the first step toward creating equitable and culturally competent mental healthcare solutions.

AMI Prevalence by Population Group

Prevalence by Age Group
25%
Young Adults (18-25)
15%
Adults (50+)
67% higher
Young adults are significantly more likely to experience mental illness compared to older populations in the state.
Prevalence by Race
30%
Native American
17%
White
76% higher
Historical inequities and socioeconomic challenges contribute to a disproportionately high burden of mental illness among Native Americans.
Prevalence by Gender (Ages 18-29)
28%
Females
18%
Males
56% higher
Young women in South Dakota report experiencing mental illness at a significantly higher rate than their male peers.
Prevalence by Geography
22%
Rural Regions
15%
Urban Centers
47% higher
Rural isolation and limited access to resources likely contribute to higher rates of mental illness outside of urban areas.

Mental Health Among South Dakota's Youth

The mental health of children and adolescents is a critical indicator of future community well-being. In South Dakota, youth face higher rates of both depression and anxiety compared to their peers across the nation. These elevated rates signal a need for enhanced mental health support within schools and communities, including early intervention programs and accessible care for young people and their families. Addressing these challenges early can help prevent more severe issues in adulthood.

Youth Mental Health: South Dakota vs. U.S. Average

Youth Depression Prevalence (Ages 3-17)
5.9%
South Dakota
4.2%
U.S. Average
40% higher
The rate of depression among youth in South Dakota is significantly higher than the national average.
Youth Anxiety Prevalence
10.6%
South Dakota
9.2%
U.S. Average
15% higher
Anxiety affects a larger percentage of young people in South Dakota compared to the rest of the country.

The Treatment Gap and Barriers to Access

Despite the clear need, many South Dakotans with mental health conditions do not receive the care they need. This treatment gap is driven by several factors, including a severe shortage of mental health professionals, particularly in rural areas. The entire state is designated as a Health Professional Shortage Area (HPSA) for mental health[1]. Other barriers include the stigma surrounding mental illness, inadequate insurance coverage, and the long distances residents must often travel to reach a provider[7]. While telehealth is a promising solution to bridge some of these gaps, systemic challenges remain[9].

Access to Care Challenges

of adults with AMI do not receive any mental health treatment

Highlights the significant gap between need and care.

Sdbehavioralhealth (2021)
60%[2]
Mental health providers in South Dakota

This is significantly lower than the national average of about 22 providers per 100,000 residents.

National Alliance on Mental Illness (2025)
12 per 100,000[3]
Mental health treatment facilities

This is nearly half the national average of 15 facilities per 100,000 population.

Mhanational (2020)
8 per 100,000[10]

Outcomes: The Human Cost of Untreated Mental Illness

The consequences of untreated mental illness are severe, leading to increased disability, higher rates of chronic health conditions, and greater use of emergency services[3]. One of the most tragic outcomes is suicide. South Dakota's suicide rate is alarmingly high, particularly among specific populations, underscoring the urgent need for comprehensive prevention efforts and accessible crisis support across the state.

Suicide Rates: A Stark Comparison

Suicide Rate per 100,000 Individuals
18
South Dakota
14
U.S. Average
29% higher
South Dakota's suicide rate is significantly above the national average, representing a critical public health crisis.
Suicide Risk for American Indian Male Youth
4-5x
American Indian Male Youth
1x
National Rate
400-500% higher
This demographic faces an exceptionally high risk, highlighting the need for culturally-specific and targeted suicide prevention programs.

Frequently Asked Questions

Sources & References

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

1Among SMH. [PDF] SouthDakota 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/rpt53148/SouthDakota.pdf
2[PDF] Executive Summary 2025 - South Dakota Behavioral Health. Sdbehavioralhealth. Published 2021. Accessed January 2026. https://sdbehavioralhealth.gov/hubfs/2025%20SD%20SEOW%20Executive%20Summary.pdf?hsLang=en
3[PDF] South Dakota - National Alliance on Mental Illness (NAMI). National Alliance on Mental Illness. Published 2022. Accessed January 2026. https://www.nami.org/wp-content/uploads/2025/05/SouthDakota-GRPA-Data-Sheet-8.5-x-11-wide.pdf
4The State of Mental Health in America 2025. Mhanational. Published 2024. Accessed January 2026. https://mhanational.org/the-state-of-mental-health-in-america/
5Mental Health Crisis Hits Nearly 1 in 10 U.S. Adults | Johns Hopkins. Publichealth. Published 2025. Accessed January 2026. https://publichealth.jhu.edu/2025/mental-health-crisis-hits-nearly-1-in-10-us-adults
6In S. [PDF] M ental H ealth in S outh D akota. National Alliance on Mental Illness. Published 2023. Accessed January 2026. https://www.nami.org/wp-content/uploads/2023/07/SouthDakotaStateFactSheet.pdf
7[PDF] M ental H ealth in S outh D akota. National Alliance on Mental Illness. Published 2023. Accessed January 2026. https://www.nami.org/wp-content/uploads/2023/07/SouthDakotaStateFactSheet.pdf
8Key F. State Summaries South Dakota | 2023 Annual Report | AHR. Americashealthrankings. Published 2011. Accessed January 2026. https://www.americashealthrankings.org/learn/reports/2023-annual-report/state-summaries-south-dakota
9[PDF] 2022 Data Report - South Dakota Department of Health. Doh. Accessed January 2026. https://doh.sd.gov/media/1h5bi2e2/violent-death-reportign-system-data-report-2022.pdf
10State and County Dashboard | Mental Health America. Mhanational. Published 2020. Accessed January 2026. https://mhanational.org/data-in-your-community/mha-state-county-data/
11Over a billion people living with mental health conditions. World Health Organization. Accessed January 2026. https://www.who.int/news/item/02-09-2025-over-a-billion-people-living-with-mental-health-conditions-services-require-urgent-scale-up