Napa County is governed by a five-member Board of Supervisors.
The supervisors are:
District 1: Brad Wagenknecht,
District 2: Mark Luce,
District 3: Diane Dillon,
District 4: Alfredo Pedroza, and
District 5: Keith Caldwell.

In the United States House of Representatives, Napa County is in California's  5th congressional district, represented by Democrat Mike Thompson.

In the California State Legislature, Napa County is in the  4th Assembly District, represented by Democrat Cecilia Aguiar-Curry, and the  3rd Senate District, represented by Democrat Bill Dodd.

The county is one of three counties in California to establish a separate department to deal with corrections pursuant to California Government Code §23013, along with Santa Clara County and Madera County.
Napa County is governed by a five-member Board of Supervisors. The supervisors are:
District 1: Brad Wagenknecht,
District 2: Mark Luce,
District 3: Diane Dillon,
District 4: Alfredo Pedroza, and
District 5: Keith Caldwell.
In the United States House of Representatives, Napa County is in California's  5th congressional district, represented by Democrat Mike Thompson.
In the California State Legislature, Napa County is in the  4th Assembly District, represented by Democrat Cecilia Aguiar-Curry, and the  3rd Senate District, represented by Democrat Bill Dodd.
The county is one of three counties in California to establish a separate department to deal with corrections pursuant to California Government Code §23013, along with Santa Clara County and Madera County.
Napa County, California