California Addiction & Substance Abuse Statistics

image depicting california addiction statistics

Updated December 22, 2025

Written By:

Dr. Matt A. D’Urso
LMHC, LPCC

Content Manager:

Amy Leifeste

Editor:

Karena Mathis

Written By:

Dr. Matthew A. D’Urso LMHC, LPCC

Content Manager:

Amy Leifeste

Editor:

Karena Mathis

image depicting california addiction statistics

Table of Contents

Drug addiction is a growing problem in California and all U.S. states – rates of drug addiction and alcoholism more than doubled from 2019 to 2022. Fortunately, more people are now getting treatment for substance abuse.

This guide to addiction statistics in California explores the scope of the problem of drug addiction and highlights how to connect with effective, evidence-based treatment for addiction to drugs or prescription medications.

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The Dangers of Drug Addiction

Drug addiction is a serious issue that affects many people in California and around the world. When someone becomes addicted to drugs, their brain changes, making it hard to stop using the drug. This can lead to an array of physical, mental, and social problems.

Addiction to any drugs, whether legal or illegal, can cause health problems. Some drugs can damage the heart, lungs, and other organs. Using drugs can also make it easier to get diseases like HIV or hepatitis if people share needles.

Drug addiction frequently triggers problems in everyday life. It can make it hard to do well in school or at work. It can also cause trouble with family and friends. People who are addicted to drugs might lie or steal to get money for drugs, which can lead to legal problems.

Substance abuse can also be dangerous. Some drugs can cause life-threatening overdoses. Even if an overdose doesn’t happen, drug addiction can still shorten a person’s life and lower its quality.

The good news is that there is help available. Treatment centers, support groups, and healthcare professionals can help people recover from drug addiction. Don’t hesitate to reach out for assistance – addiction is a progressive condition that usually improves when treated.

The Dangers of Alcohol Addiction

Alcohol addiction, informally known as alcoholism, is a serious concern in California, like in all U.S. states. When someone is addicted to alcohol, they find it hard to control their drinking. This can cause many serious issues.

Drinking too much alcohol can harm your health. It can damage your liver, which is the organ that helps clean your blood. Alcohol can also hurt your heart, making it weak and unable to pump blood well. Drinking a lot can also affect your brain, making it hard to think clearly or remember things. Long-term alcohol addiction causes changes to the function and structure of the brain.

Like drug addiction, alcohol addiction can cause problems in daily life. People with alcohol addiction might miss work or school because of drinking. They might have arguments or fights with family and friends. Sometimes, they might even get into trouble with the law, like getting arrested for DUI.

Alcohol addiction can lead to accidents. When people drink too much, they might make poor choices, like driving a car or swimming. This can lead to serious injuries or even death.

Many treatment programs and support groups can help people stop drinking and start living healthier lives. Reach out for support if you’re fighting alcohol abuse.

image depicting a group of people discussing drug and alcohol addiction statistics in california

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California Addiction Statistics

Substance use in California is a big issue that affects many people. According to a 2022 report from the California Health Care Foundation, half of Californians over age 12 drank alcohol in the past month, and 20% used marijuana in the past year. While some use these substances safely, misuse can lead to health problems and addiction.

In the study, about 9% of Californians had a drug addiction, showing many people struggle with substance abuse. Sadly, only 20% of those with addictions got professional help to start their recovery.

The report also shows a rise in overdose deaths from opioids and stimulants like meth. Fentanyl deaths increased by ten times from 2015 to 2019, and meth-related emergency visits went up by almost 50% between 2018 and 2020.

Mortality Rates in California Due to Substance Abuse

State data for California show that California saw 10,898 drug-related overdose deaths in 2021, with opioids involved in 66% of these cases. Fentanyl alone contributed to 5,961 of the opioid-related deaths. Males had much higher fentanyl-related overdose rates than females. Also, many deaths involved a mix of opioids and other drugs like meth, cocaine, or benzos.

Addiction Treatments in California

California offers many options for treating addiction, helping people take their first steps toward recovery. Treatment centers provide medical and emotional support through various programs, such as detox programs, inpatient rehab, and outpatient services. Inpatient rehab involves staying at a facility where people can focus on recovery in a structured environment, while outpatient services allow people to receive treatment while living at home.

Detox programs help people safely manage withdrawal symptoms when they stop using drugs or alcohol. Therapy and counseling are key parts of addiction treatment, helping individuals understand the root causes of their addiction and develop healthier coping strategies. Support groups, like AA (Alcoholics Anonymous) and NA (Narcotics Anonymous), offer peer support and encouragement throughout the recovery journey.

MAT (medication-assisted treatment) is another effective option, especially for opioid addictions and alcohol addictions. MAT combines medications with counseling and behavioral therapies to provide a whole-person approach to recovery. Medications like methadone, buprenorphine, and naltrexone can help reduce cravings and withdrawal symptoms.

California also has programs specifically designed for teens, pregnant women, and veterans, ensuring that everyone can find the support they need. By taking advantage of these resources, people can begin their path to recovery and work towards a healthier, drug-free life.

Addiction in California | FAQs

How do I know if I am addicted to drugs?

If you feel unable to control your drug use even though it’s causing problems in your life, this is a strong sign of addiction.

If you find it hard to stop drinking once you start, or if drinking is causing problems in your life, you might be abusing alcohol. Other signs include drinking alone or feeling guilty about your drinking.

How can I tell if I am abusing alcohol?

You can find help at local treatment centers, hospitals, or by talking to your doctor. There are also hotlines and websites that can guide you to the right resources.

Where can I find help for substance abuse in California?

Marijuana is the most commonly used drug in California. It is legal for adults but can still cause problems if not used responsibly.

What is the most used drug in California?

image depicting addiction statistics in california

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Do you need help for someone you love with an addiction? Or maybe you need help yourself after abusing drugs, alcohol, or prescription medications? Reach out to Renaissance Recovery in California, and Florida, where we treat all types of addictions. We are also happy to accept insurance for addiction treatment.

We specialize in providing outpatient and intensive outpatient services, enabling you to meet your commitments and home and work while getting drug addiction treatment during weekday therapy sessions.

If you or your loved one need help with drug or alcohol withdrawal, we can connect you with medical detox centers across the state.  After dealing with dependence on drugs or alcohol under close supervision, you will be ready for ongoing treatment at Renaissance.

We appreciate that every addiction is different, so we deliver personalized treatment plans that may include:

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Sources

  1. https://www.samhsa.gov/data/release/2022-national-survey-drug-use-and-health-nsduh-releases
  2. https://nida.nih.gov/publications/drugs-brains-behavior-science-addiction/addiction-health
  3. https://www.niaaa.nih.gov/health-professionals-communities/core-resource-on-alcohol/neuroscience-brain-addiction-and-recovery
  4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8154745/
  5. https://www.cdph.ca.gov/Programs/CCDPHP/sapb/CDPH%20Document%20Library/MortalityDataBriefFinalADA.pdf
  6. https://www.ncbi.nlm.nih.gov/books/NBK64119/
  7. https://www.fda.gov/drugs/information-drug-class/information-about-medications-opioid-use-disorder-moud
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