Opioid Overdoses and Approved Naloxone by County

There are two heat maps of California.

Opioid Overdoses per 100,000 Residents

The first heat map displays the rate of overdoses per 100,000 residents in each county since 2022.

County rates from the overdose map include:

  • 45.0 – 75.0: Del Norte, Humboldt, Lake, Mendocino, Siskiyou
  • 28.0 – 44.9: Lassen, Tehama, Kern, San Luis Obispo, San Francisco, Butte, Shasta, Santa Cruz
  • 18.0 – 27.9: Yuba, Stanislaus, Ventura, Riverside, San Diego, Glenn, Sutter, Inyo, Tuolumne, Orange, Sonoma, El Dorado, Colusa, San Benito, Plumas, Nevada
  • 13.0 – 17.9: Solano, San Bernardino, Los Angeles, Contra Costa, Marin, Napa, Calaveras, Sacramento, Amador, San Joaquin, Merced, Placer, Imperial
  • 6.0 – 12.9: Fresno, Alameda, Modoc, Tulare, Yolo, Trinity, Kings, San Mateo, Santa Barbara, Santa Clara, Mono, Mariposa, Monterey, Madera
  • 0: Alpine, Sierra

Approved Naloxone Kits per 100,000 Residents

The second heat map displays the rate of approved naloxone kits per 100,000 residents between 2018 and 2023.

County rates from the approved naloxone map include:

  • 24,000 – 53,500: Alpine, Humboldt, Inyo, Del Norte, San Francisco, Sierra, Santa Cruz, Lassen, Plumas, Mono, Lake
  • 13,000 – 23,999: Nevada, Yuba, Mendocino, Siskiyou, Tuolumne, San Luis Obispo, Marin, Butte, Amador, Monterey, Modoc, Kings
  • 7,000 – 12,999: Sacramento, Kern, Alameda, Sonoma, Madera, Glenn, Los Angeles, Imperial, Solano, Shasta, Orange, San Diego, Trinity, Santa Barbara
  • 4,400 – 6,999: San Benito, El Dorado, Fresno, Stanislaus, Riverside, Yolo, Calaveras, Napa, Colusa, Santa Clara, Ventura
  • 2,000 – 4,399: Sutter, Tehama, Placer, San Bernardino, Contra Costa, San Joaquin, Merced, San Mateo, Tulare, Mariposa