California's 4th State Senate district is one of 40 California State Senate districts. It is currently represented by Democrat Marie Alvarado-Gil of Jackson. District profile The district encompasses much of the Sacramento Valley, reaching almost to the Sacramento–San Joaquin River Delta. The district mainly comprises rural farmland, but a substantial minority of the population is clustered in the Sacramento metropolitan area in the southern tip of the district. All of Butte County Biggs Chico Gridley Oroville Paradise All of Colusa County Colusa Williams All of Glenn County Orland Willows Placer County – 37.1% Roseville – ~100.0% Sheridan Sacramento County – 21.8% Antelope Carmichael Citrus Heights Elverta Foothill Farms North Highlands – partial Rancho Cordova – 69.5% Rio Linda All of Sutter County Live Oak Yuba City All of Tehama County Corning Red Bluff Tehama All of Yuba County Marysville Wheatland Election results from statewide races List of State Senators 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 2018 2014 2013 (special) 2010 2006 2002 1998 1994 See also California State Senate California State Senate districts Districts in California References External links District map from the California Citizens Redistricting Commission 04 Sacramento Valley Government of Butte County, California Government of Colusa County, California Government of Glenn County, California Government of Placer County, California Government of Sacramento County, California Government of Sutter County, California Government of Tehama County, California Government of Yuba County, California Carmichael, California Chico, California Citrus Heights, California Colusa, California Gridley, California Marysville, California Oroville, California Paradise, California Rancho Cordova, California Red Bluff, California Roseville, California Yuba City, California Willows, California