California Presidential Primary Election Tuesday, March 3, 2020
Semi-Official Election Results
State Senate Districts
Only odd-numbered Senate districts have Statewide Primary Elections in 2020.
Select a District
Find a District
Listed below are California's counties and their associated Senate districts. For additional help in finding a specific district, see the Your Legislature 
web page at www.leginfo.ca.gov .
- A-B
- Alameda – District 7, District 9, District 10
- Alpine – District 1
- Amador – District 8
- Butte – District 4
Back to the Top- C-D
- Calaveras – District 8
- Colusa – District 4
- Contra Costa – District 3, District 7, District 9
- Del Norte – District 2
- E-L
- El Dorado – District 1
- Fresno – District 8, District 12, District 14
- Glenn – District 4
- Humboldt – District 2
- Imperial – District 40
- Inyo – District 8
- Kern – District 14, District 16
- Kings – District 14
- Lake – District 2
- Lassen – District 1
- Los Angeles – District 18, District 20, District 21, District 22, District 23, District 24, District 25, District 26, District 27, District 29, District 30, District 32, District 33, District 34, District 35
- M
- Madera – District 8, District 12
- Marin – District 2
- Mariposa – District 8
- Mendocino – District 2
- Merced – District 12
- Modoc – District 1
- Mono – District 8
- Monterey – District 12, District 17
- N-R
- Napa – District 3
- Nevada – District 1
- Orange – District 29, District 32, District 34, District 36, District 37
- Placer – District 1, District 4
- Plumas – District 1
- Riverside – District 23, District 28, District 31
- S
- Sacramento – District 1, District 3, District 4, District 5, District 6, District 8
- San Benito – District 12
- San Bernardino – District 16, District 20, District 21, District 23, District 25, District 29
- San Diego – District 36, District 38, District 39, District 40
- San Francisco – District 11
- San Joaquin – District 5
- San Luis Obispo – District 17
- San Mateo – District 11, District 13
- Santa Barbara – District 19
- Santa Clara – District 10, District 13, District 15, District 17
- Santa Cruz – District 17
- Shasta – District 1
- Sierra – District 1
- Siskiyou – District 1
- Solano – District 3
- Sonoma – District 2, District 3
- Stanislaus – District 5, District 8, District 12
- Sutter – District 4
- T-Y
- Tehama – District 4
- Trinity – District 2
- Tulare – District 8, District 14, District 16
- Tuolumne – District 8
- Ventura – District 19, District 27
- Yolo – District 3, District 6
- Yuba – District 4