Opioid & Overdose Statistics (Nassau & Suffolk)

Overdose
In the most recent year available, Long Island recorded about 520 opioid-related deaths, with Suffolk accounting for the majority. Nearly 6,000 naloxone administrations were reported by police, EMS, and hospitals, underscoring the ongoing need for emergency intervention. More than 12,000 residents entered treatment programs for opioid use disorder across both counties. File photo: Diane Bondareff, licensed.

The opioid crisis continues to impact communities across the United States, and Long Island is no exception. Both Nassau and Suffolk Counties have faced rising overdose deaths, widespread naloxone use by first responders, and a growing need for treatment services.

This page compiles official data from the New York State Opioid Data Dashboard and the Centers for Disease Control and Prevention (CDC), offering a clear, fact-based overview of opioid use, overdoses, and interventions across Long Island.


Opioid Crisis on Long Island (Most Recent Year Available)

CategoryNassau CountySuffolk CountyLong Island Total
Overdose Deaths (All Drugs)~230~390~620
Overdose Deaths (Opioids Only)~190~330~520
Naloxone Administrations~2,400~3,600~6,000
Treatment Admissions (Opioid Use Disorder)~4,800~7,200~12,000

Source: NYS Opioid Data Dashboard; CDC WONDER.


Overdose Deaths (Trend, 2015–2022)

YearNassau (Opioid Deaths)Suffolk (Opioid Deaths)Long Island Total
2015134267401
2016169337506
2017179354533
2018161336497
2019152312464
2020186376562
2021198389587
2022190330520

Naloxone Administrations

Naloxone (commonly known as Narcan) is a life-saving medication used by police, EMTs, and hospitals to reverse opioid overdoses. Usage has risen steadily over the past decade, reflecting both greater availability and a persistent overdose crisis.

  • Nassau County: ~2,400 administrations in most recent year
  • Suffolk County: ~3,600 administrations in most recent year
  • Combined: Nearly 6,000 lifesaving reversals annually

Treatment Admissions

According to state data, more than 12,000 Long Islanders entered treatment programs for opioid use disorder in the most recent year available. Suffolk County consistently records higher admission totals than Nassau, reflecting both population size and overdose burden.


Methodology

  • Overdose Deaths: Drawn from CDC WONDER multiple cause of death files and NYS Opioid Data Dashboard.
  • Naloxone Data: NYS Opioid Data Dashboard (reported by law enforcement, EMS, and hospitals).
  • Treatment Admissions: Derived from the NYS Office of Addiction Services and Supports (OASAS) reporting systems.
  • Rates: When shown, calculated per 100,000 residents using U.S. Census ACS estimates.

FAQ

Q: Why are Suffolk County’s numbers higher than Nassau’s?
A: Suffolk has a larger population and historically higher opioid overdose rates.

Q: Does naloxone always save a life?
A: Naloxone reverses many overdoses, but outcomes depend on timing, dosage, and whether additional medical care is received.

Q: Are prescription opioids or fentanyl driving the crisis?
A: In recent years, synthetic opioids like fentanyl have been the primary driver of fatal overdoses across both counties.

Q: How often is this data updated?
A: The NYS Opioid Data Dashboard is updated quarterly, while CDC WONDER mortality data is typically released annually with a one-year lag.