California's 4th State Assembly district

California's 4th State Assembly district is one of 80 California State Assembly districts. It is currently represented by Democrat Cecilia Aguiar-Curry of Winters.

District profile

The district encompasses much of the southern and western Sacramento Valley and Wine Country. The Coast Ranges run down the western half of the district.
Colusa County – 100%
Arbuckle
Williams
Lake County – 100%

Napa County – 100%
American Canyon
Calistoga
Napa
St. Helena
Yountville
Sonoma County – 6.20%

Yolo County – 100%

List of assembly members representing the district

Due to redistricting, the 4th district has been moved around different parts of the state. The current iteration resulted from the 2021 redistricting by the California Citizens Redistricting Commission.