The Sacramento Region of PBMA consists of the following 12 California counties:

Alpine; population 1,071

Amador; population 37,383

Calaveras; population 45,171

El Dorado; population 185,625

Lake; population 64,116

Nevada; population 99,107

Placer; population 380,531

Sacramento; population 1,514,460

San Joaquin; population 733,709

Sutter; population 96,651

Yolo; population 215,802

Yuba; population 75,275