Nonfatal Overdose ED Visit Rates (County) — Bivariate (Drug & Poverty)

University of Maryland GEOG655 Winter '26 Final Project


Data sources: CDC DOSE-DIS county rates and U.S. Census ACS 5-year poverty percent. County boundaries are pulled live from Census TIGERweb.

Select Year and State to view table and map.

The Centers for Disease Control (CDC) collects data on nonfatal overdoses that appear in hospital emergency rooms from 31 states plus the District of Columbia at the county level in the aggregate for all drugs per 100,000 people. At the state level the breakdown is available for different drugs:

  • All Drugs
  • All Stimulants
  • All Opioids
  • Cocaine
  • Methamphetamine
  • Fentanyl
  • Heroin
  • Benzodiazepine

This website seeks to incorporate 2023 Census demographic data on poverty as a percentage of the county population and classify each county's rate of nonfatal overdose and poverty with their state's average for each variable.
To learn more abou the CDC DOSE-DIS data check out the CDC's DOSE-DIS website