State Senate Districts

Only even-numbered-Senate districts have Primary Elections in 2026.

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 .

Jump to the first letter of your county name:

A-B
Alameda
– District 5, District 7, District 9, District 10
Alpine – District 4
Amador – District 4
Butte
– District 1

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C-D
Calaveras – District 4
Colusa
– District 1
Contra Costa
– District 3, District 7, District 9
Del Norte – District 2

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E-L
El Dorado – District 4
Fresno – District 12, District 14, District 16
Glenn
– District 1
Humboldt – District 2
Imperial – District 18
Inyo – District 4
Kern – District 12, District 16
Kings – District 16
Lake – District 2
Lassen
– District 1
Los Angeles – District 20, District 22, District 23, District 24, District 25, District 26, District 27, District 28, District 30, District 33, District 34, District 35, District 36

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M
Madera – District 4, District 14
Marin – District 2
Mariposa – District 4
Mendocino – District 2
Merced – District 4, District 14
Modoc
– District 1
Mono – District 4
Monterey
– District 17

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N-R
Napa
– District 3
Nevada
– District 1, District 4
Orange – District 30, District 32, District 34, District 36, District 37, District 38
Placer
– District 1, District 4, District 6
Plumas
– District 1
Riverside – District 18, District 19, District 31, District 32

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S
Sacramento
– District 3, District 6, District 8
San Benito
– District 17
San Bernardino – District 18, District 19, District 22, District 23, District 25, District 29, District 31, District 32
San Diego – District 18, District 32, District 38, District 39, District 40
San Francisco – District 2, District 7, District 11
San Joaquin
– District 5
San Luis Obispo
– District 17, District 21
San Mateo
– District 11, District 13
Santa Barbara
– District 21
Santa Clara – District 10, District 13, District 15
Santa Cruz
– District 17
Shasta
– District 1
Sierra
– District 1
Siskiyou
– District 1
Solano
– District 3
Sonoma – District 2, District 3
Stanislaus – District 4
Sutter
– District 1

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T-Y
Tehama
– District 1
Trinity – District 2
Tulare – District 12, District 14, District 16
Tuolumne – District 4
Ventura
– District 21, District 27
Yolo
– District 3
Yuba
– District 1

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