Overdose Deaths Fall in Most U.S. Counties
CDC data show declines in 842 counties, though 430 counties saw increases over the year ending March 2026.
Updated on Nov. 3, 2026 in Substance Abuse
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The Centers for Disease Control and Prevention estimates U.S. drug overdose deaths declined in the 12-month period ending March 2026. Deaths fell in 842 counties, rose in 430 and were unchanged in 352, with several neighboring counties in Arizona and New Mexico reporting increases.
Why it matters
The national decline offers a sign of progress against the overdose crisis, but rising deaths in parts of the Southwest show the improvement is uneven across the country. Officials and residents in affected counties face continued high overdose rates.
The CDC compared county death counts across the 12 months ending March 2025 and March 2026, finding 842 counties with declines, 430 with increases and 352 unchanged. Trends could not be determined in nearly half of counties because the agency withholds counts for areas with 1-9 deaths.
The players
Centers for Disease Control and Prevention
The CDC is the federal public health agency that tracks overdose deaths and publishes national and county-level mortality estimates.
The details
The CDC cites wider access to the overdose-reversal drug naloxone, expanded addiction treatment and changes in the illicit drug supply as possible drivers of the national decline. Deaths involving fentanyl and other synthetic opioids, methamphetamine and cocaine have all declined nationally.
Timeline
March 2025: start of the first 12-month comparison period.
March 2026: end of the second 12-month comparison period.
November 3, 2026: CDC estimates publicly reported.
Health Landscape
The county-level estimates extend the CDC's national overdose mortality reporting, which has tracked deaths for decades. The shift from rising to declining national totals marks a change in direction from earlier years of growth in synthetic opioid deaths.
Access to naloxone and addiction treatment appears to be a factor in the national decline, so availability in a reader's community may matter for families affected by opioid use. Residents in counties with rising deaths may find local treatment and reversal-drug resources especially important.
The takeaway
National overdose deaths are falling, but the gains are not reaching every county, so local data is worth watching. Readers in higher-risk areas should know where naloxone and treatment services are available.
Further reading
Explore more on Substance Abuse to see how overdose trends are shaping treatment and prevention efforts across the country.
Source note: This article includes information reported by Axios.
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