FIRST SUPERVISORIAL DISTRICT
VALERIE BROWN, SUPERVISOR

Geographic boundaries: The First Supervisorial District population is concentrated in the city of Santa Rosa (Rincon Valley, Bennett Valley and Oakmont); Sonoma; and the adjacent unincorporated communities of Agua Caliente, Glen Ellen, El Verano, Boyes Hot Springs, Schellville and Vineburg.
 
SECOND SUPERVISORIAL DISTRICT
MIKE KERNS, SUPERVISOR

Geographic boundaries: The Second Supervisorial District is bounded on the south by the Marin County line; the ridge line of theSonoma Mountains to the east; Scenic Avenue, Gravenstein Highway and Barnett Valley Road to the north; and Bloomfield to the west.
 
THIRD SUPERVISORIAL DISTRICT
TIM SMITH, SUPERVISOR

Geographic boundaries: The Third Supervisorial District, the smallest geographically, includes approximately 45% of the city of Santa Rosa, 80% of the city of Rohnert Park and the unincorporated area between the two cities.
 
FOURTH SUPERVISORIAL DISTRICT
PAUL KELLEY, SUPERVISOR

Geographic boundaries: The Fourth Supervisorial District boundaries adjoin Mendocino, Lake and Napa counties to the north and east; includes the cities of Cloverdale, Healdsburg, the town of Windsor and the northwest portion of Santa Rosa.
 
FIFTH SUPERVISORIAL DISTRICT
MIKE REILLY, SUPERVISOR

Geographic boundaries: The Fifth Supervisorial District includes the entire Sonoma County coast and the Russian River area, west from Forestville. It also includes the unincorporated areas of Roseland, Wright, Bellevue, Occidental and the coastal and river communities. Sebastopol is the only incorporated city totally within the district, although much of west Santa Rosa was redistricted into the Fifth in 1992.