Comparison
Treatment facilities in Oklahoma and Washington
Washington had 269 substance use treatment listings in the National Directory, against 141 in Oklahoma in 2025, according to SAMHSA.
Per 100,000 residents the Census Bureau counts, that is 3.4 in Oklahoma and 3.4 in Washington.
| Measure | Oklahoma | Washington |
|---|---|---|
| Substance use treatment listings | 141 | 269 |
| Substance use listings per 100,000 residents | 3.4 | 3.4 |
| Mental health listings | 156 | 316 |
| Substance use listings offering methadone, buprenorphine or naltrexone | 88 | 147 |
| Those, per 100,000 residents | 2.1 | 1.8 |
| Federally certified opioid treatment programs | 15 | 26 |
Each state’s own page lists every facility: Oklahoma and Washington.
Sources
- SAMHSA National Directories — substance use and mental health treatment facilities — Substance Abuse and Mental Health Services Administration, Center for Behavioral Health Statistics and Quality · SAMHSA public domain notice · retrieved October 17, 2026
Compiled automatically from SAMHSA National Directories — substance use and mental health treatment facilities by a checked SQL query · Editor: Kian O'Connor · How this site is built
Data retrieved