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 – 52.4% Arbuckle Williams All of Lake County Clearlake Lakeport All of Napa County American Canyon Calistoga Napa St. Helena Yountville Solano County – 7.3% Dixon Sonoma County – 14.9% Boyes Hot Springs Rohnert Park Yolo County – 75.7% Davis Winters Woodland Election results from statewide races List of assembly members Due to redistricting, the 4th district has been moved around different parts of the state. The current iteration resulted from the 2011 redistricting by the California Citizens Redistricting Commission. Election results 1992 - present 2020 2018 2016 2014 2012 2011 (special) 2010 2008 2006 2004 2002 2000 1998 1996 1994 1992 See also California State Assembly California State Assembly districts Districts in California References External links District map from the California Citizens Redistricting Commission 04 Government of Colusa County, California Government of Lake County, California Government of Napa County, California Government of Solano County, California Government of Sonoma County, California Government of Yolo County, California Sacramento Valley Clearlake, California Davis, California Lakeport, California Napa, California Rohnert Park, California St. Helena, California Winters, California Woodland, California Yountville, California