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
0.0: Alpine, Sierra

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:

31,000 – 64,000: Alpine, Humboldt, Inyo, Del Norte, San Francisco, Sierra, Santa Cruz, Lassen, Plumas, Mono, Lake
18,000 – 30,999: Nevada, Yuba, Mendocino, Siskiyou, Tuolumne, San Luis Obispo, Marin, Butte, Amador, Monterey, Modoc, Kings
10,000 – 17,999: Sacramento, Kern, Alameda, Sonoma, Madera, Glenn, Los Angeles, Imperial, Solano, Shasta, Orange, San Diego, Trinity, Santa Barbara
6,000 – 9,999: San Benito, El Dorado, Fresno, Stanislaus, Riverside, Yolo, Calaveras, Napa, Colusa, Santa Clara, Ventura
2,600 – 5,999: Sutter, Tehama, Placer, San Bernardino, Contra Costa, San Joaquin, Merced, San Mateo, Tulare, Mariposa