California State Senate · 2026 general · 20 of 40 seats up

Democrats keep a majority in the California State Senate

Democrats hold 32 seats and Republicans 8; 21 make a majority. 2 seats changed party.

21 for a majorityBefore the electionD 29R 10AfterD 32R 8D +3 · R −2

2 seats flipped to Democrats0 to Republicans

Seats not up in this election count with their holders. Source: Results and race calls: California Secretary of State (unofficial)Updated Nov 7, 2026, 3:01 PM ET

2Seats flipped2 to Democrats, 0 to Republicans
1Incumbents defeatedIn the general election
9Open seatsNo incumbent on the ballot
0Uncontested seats0 Democratic, 0 Republican
2Decided by under 5 pointsCalled and uncalled
D +15.9Median swingContested districts, from the last race on the same lines

Source: Results and race calls: California Secretary of State (unofficial)Updated Nov 7, 2026, 3:01 PM ET

Every race, by how close it was

All 17 races by the winner’s margin, D − R. The shaded band holds the 2 races decided by under 5 points. Ringed dots flipped; amber dots are still being counted.

  • Democratic
  • Republican
  • Counting
  • Flipped
  • Under 5 points
R+70R+50R+30R+10D+10D+30D+50D+70ClosestSD-36 D+1.3Widest flip to DSD-40 D+6.3

Unofficial returns. Source: Results and race calls: California Secretary of State (unofficial)Updated Nov 7, 2026, 3:01 PM ET

Source: Results and race calls: California Secretary of State (unofficial)Updated Nov 7, 2026, 3:01 PM ET

How far each district moved

Change in each contested district’s margin from the previous election, in 2-point bins. The median district moved D +15.9.

012D+5D+10D+15D+20Median D +15.9

12 contested districts; districts uncontested in either election are left out.

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)

California State Senate in other elections

Also on this ballot

Sources