Substance Use Disorder Statistics in Indiana

Comprehensive Substance Use Disorder statistics for Indiana, including prevalence, demographics, treatment access, and outcomes data.

4 min read
67%[2]
of Indiana residents with a substance use disorder do not receive any treatment

This significant treatment gap highlights systemic barriers to care, including provider shortages and stigma, leaving the majority of those in need without professional help.

2022

Key Takeaways

  • Approximately 1 in 13 adults in Indiana experienced a substance use disorder in the past year, a rate higher than the national average.7.8%[1]
  • Young adults aged 18-25 face a particularly high burden, with a substance use disorder prevalence of 12%.12%[4]
  • Despite the high prevalence, only 15.3% of Indiana adults with SUD received any specialized treatment services in the past year.15.3%[1]
  • Access to care is a major challenge, with more than 60% of Indiana's counties designated as Mental Health Professional Shortage Areas.>60%[6]
  • Rural communities in Indiana show a higher SUD prevalence (11.3%) compared to urban regions (9.0%), highlighting geographic disparities.11.3%[7]
  • The COVID-19 pandemic worsened risk factors, with half of surveyed individuals indicating they were more likely to use drugs alone.50%[8]
  • Reflecting the scale of the issue, Indiana ranks 12th highest among all U.S. states for the prevalence of Substance Use Disorder.12th[3]

An Overview of Substance Use Disorder in Indiana

Substance Use Disorder (SUD) represents a significant public health challenge in Indiana, with prevalence rates that are notably higher than the national average[1]. Various studies estimate the past-year prevalence among adults to be between 7.4% and 10.2%[4], compared to national estimates around 6.8% to 8.0%[3]. This elevated rate places a heavy burden on individuals, families, and the state’s healthcare system. The data reveals critical gaps in treatment access, significant demographic disparities, and concerning trends that have been exacerbated by recent events like the COVID-19 pandemic.

SUD and Mental Health Prevalence in Indiana

10.2%[9]
of Medicaid-insured adults (18-64) with SUD

Highlights a vulnerable population with a high prevalence of substance use disorders.

2023
20.1%[10]
of adults with Any Mental Illness (AMI)

One in five adults in Indiana experiences a mental illness, which often co-occurs with SUD.

2020
8.0%[10]
of adults with major depression or anxiety

These common mental health conditions are significant risk factors for developing SUD.

Demographic and Geographic Disparities

Substance Use Disorder does not affect all Hoosiers equally. Significant disparities exist across age groups and geographic locations within the state. Younger adults, in particular, face a much higher risk, with prevalence rates nearly double that of older populations. This suggests a critical need for early intervention and targeted prevention efforts for youth and young adults. Furthermore, there is a clear divide between rural and urban areas, with rural communities experiencing a higher prevalence of SUD, often compounded by greater barriers to accessing care.

SUD Prevalence by Age and Location

SUD Prevalence by Age Group
12.5%
Young Adults (18-25)
6.3%
Adults (45+)
Young adults have nearly double the rate of SUD.
Early onset substance use is linked to more severe long-term consequences, making this age disparity a critical public health concern.
SUD Prevalence by Geography
11.3%
Rural Indiana
9.0%
Urban Indiana
Rural areas have a 25% higher prevalence rate.
This geographic gap highlights the need for increased resources and accessible treatment options in Indiana's rural counties.

A Closer Look at Affected Populations

Drilling down into specific demographic data reveals further patterns in how SUD affects Indiana's population. Analysis by age, race, and gender provides a more granular understanding of which groups carry the heaviest burden. For instance, the highest prevalence rates are concentrated among those under 45. Data from the state's Medicaid program also shows a higher proportion of males diagnosed with SUD. Understanding these nuances is essential for designing equitable and effective public health interventions.

The Critical Gap in Treatment and Access to Care

One of the most pressing issues in Indiana is the vast gap between the number of people who need treatment for SUD and those who actually receive it. Fewer than half of individuals with SUD get any form of treatment in a given year[4], a rate lower than the national average of around 50-55%[11]. This gap is driven by numerous barriers, including a severe shortage of treatment providers and facilities, especially in rural areas[4]. While a large majority of residents have insurance coverage for mental health services[14], the lack of available providers creates a bottleneck that prevents many from getting the help they need.

Barriers to SUD Care in Indiana

45[4]
SUD treatment providers per 100,000 population

This is significantly below the national average of approximately 58 providers per 100,000.

~12-15[4]
SUD treatment facilities per 100,000 residents

Indiana lags behind the national average of roughly 20 facilities per 100,000 people.

2021
1 in 150,000[6]
Mental health provider to resident ratio in many counties

Illustrates the extreme scarcity of mental health professionals in underserved parts of the state.

Impact of the COVID-19 Pandemic

The COVID-19 pandemic significantly intensified the substance use crisis nationally and in the Midwest. A study of people who use opioids in rural southern Illinois, near Indiana, revealed the pandemic's profound impact on mental health and drug use behaviors[8]. Increased anxiety, depression, and loneliness became widespread, while economic instability created additional stress. The pandemic also disrupted drug markets, leading to a shift toward more potent and dangerous substances like fentanyl and making users worry about receiving contaminated batches[8]. Critically, social isolation led to a greater likelihood of using drugs alone, a behavior that dramatically increases the risk of fatal overdose because no one is present to intervene[21].

The Pandemic's Toll on People Who Use Opioids

75%[8]
Felt more anxious or on edge
2020-2021
>50%[8]
Experienced more depression
2020-2021
~50%[8]
Reported increased feelings of loneliness
2020-2021
38%[8]
Felt confident in maintaining a stable income
2020-2021

Outcomes and Consequences of Untreated SUD

The consequences of widespread, untreated Substance Use Disorder are severe and far-reaching. Individuals battling SUD often report profound feelings of isolation and face immense difficulty navigating a fragmented treatment system[18]. The most tragic outcome is the loss of life. Nationally, overdose deaths surged during the pandemic, exceeding 100,000 in a single 12-month period[22]. In Indiana, mortality rates related to both opioid overdoses and suicide are significantly higher than the national averages, underscoring the urgent need for more effective prevention and treatment strategies.

Mortality Rates: Indiana vs. National Average

Opioid-Related Mortality Rate (per 100,000)
25
Indiana
17
U.S. Average
Indiana's rate is 47% higher than the national average.
This stark difference highlights the severity of the opioid crisis in the state.
Suicide Rate (per 100,000)
18.3
Indiana
14.2
U.S. Average
Indiana's suicide rate is 29% higher than the national average.
Suicide and SUD are often intertwined, indicating a broader mental health crisis.

State Response and Economic Factors

In response to the growing crisis, Indiana's state government has implemented reforms to expand insurance coverage and increase funding for community health centers[4]. Approximately 10% of the state budget has recently been allocated toward SUD treatment initiatives[4]. Despite these efforts, Indiana still ranks in the bottom half of states (35th) for mental health funding and service capacity[15]. Economic factors also play a crucial role, as areas with higher economic disadvantage often report higher SUD prevalence and lower engagement with treatment services[4].

Frequently Asked Questions

Sources & References

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

1[PDF] 2023-nsduh-sae-state-tabs-indiana.pdf - SAMHSA. Substance Abuse and Mental Health Services Administration. Published 2023. Accessed January 2026. https://www.samhsa.gov/data/sites/default/files/reports/rpt56188/2023-nsduh-sae-state-tables_0/2023-nsduh-sae-state-tabs-indiana.pdf
2Sobering Statistics - Lake County Government. Lakecountyin. Published 2022. Accessed January 2026. https://lakecountyin.gov/departments/lados2/lados-2-sobering-statistics
3Drug Abuse & Addiction Statistics in Indiana - The Grove Estate. Grovetreatment. Published 2021. Accessed January 2026. https://grovetreatment.com/addiction/statistics/indiana/
4[PDF] drug fact sheet: - substance use in indiana - IN.gov. In. Published 2021. Accessed January 2026. https://www.in.gov/fssa/dmha/files/Drug-Fact-Sheet_2023_ADA_final.pdf
5[PDF] 2025 SEOW Drug Fact Sheet - IN.gov. In. Published 2025. Accessed January 2026. https://www.in.gov/fssa/dmha/files/2025SEOWDrugFactSheet.pdf
6[PDF] M ental H ealth in Indiana - National Alliance on Mental Illness (NAMI). National Alliance on Mental Illness. Published 2021. Accessed January 2026. https://www.nami.org/wp-content/uploads/2023/07/IndianaStateFactSheet.pdf
7The 10 Worst States for Addiction, Overdose and Treatment. Therecoveryvillage. Accessed January 2026. https://www.therecoveryvillage.com/resources/all-50-states-ranked-overdose-deaths-and-drug-use-across-america/the-10-worst-states-for-addiction-overdose-and-treatment/
8The Impact of COVID-19 on Drug Use—and How It Contributes to .... Nyu. Published 2022. Accessed January 2026. https://www.nyu.edu/about/news-publications/news/2022/april/covid-19-drug-use.html
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10[PDF] Indiana 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/rpt53117/Indiana.pdf
11Economic Burden Associated With Untreated Mental Illness in Indiana. PubMed Central. Published 2019. PMC10576212. Accessed January 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC10576212/
12Explore Illicit Drug Use - Youth in Indiana - America's Health Rankings. Americashealthrankings. Accessed January 2026. https://www.americashealthrankings.org/explore/measures/youth_IDUM/IN
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15Prevalence Ranking | Mental Health America. Mhanational. Published 2023. Accessed January 2026. https://mhanational.org/the-state-of-mental-health-in-america/data-rankings/prevalence-data/
16State Summaries Indiana | 2023 Annual Report | AHR. Americashealthrankings. Published 2018. Accessed January 2026. https://www.americashealthrankings.org/publications/reports/2023-annual-report/state-summaries-indiana
17[PDF] National Survey of Substance Abuse Treatment Services (N-SSATS). Substance Abuse and Mental Health Services Administration. Published 2019. Accessed January 2026. https://www.samhsa.gov/data/system/files/media-quick-stats/nssats-in19.pdf
18Blevins CE. Gaps in the Substance Use Disorder Treatment Referral Process. PubMed Central. Published 2018. PMC6066414. Accessed January 2026. https://pmc.ncbi.nlm.nih.gov/articles/PMC6066414/
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20Indiana Adults Who Participated In Treatment Court Programs Had .... Healthaffairs. doi:10.1377/hlthaff.2025.00346. Accessed January 2026. https://www.healthaffairs.org/doi/10.1377/hlthaff.2025.00346
21SAMHSA Releases Annual National Survey on Drug Use .... Substance Abuse and Mental Health Services Administration. Published 2021. Accessed January 2026. https://www.samhsa.gov/newsroom/press-announcements/20250728/samhsa-releases-annual-national-survey-on-drug-use-and-health
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