Politics

California vs Massachusetts: State Senate Control

California and Massachusetts both have democratic upper chambers.

California flag
California
CA · West
Democratic
Current partisan control of the upper legislative chamber (NCSL, January 27, 2026).
Massachusetts flag
Massachusetts
MA · Northeast
Democratic
Current partisan control of the upper legislative chamber (NCSL, January 27, 2026).
California
Democratic
Massachusetts
Democratic

People also ask

California vs Massachusetts State Senate Control — common questions

QWhat is California's state senate control?

California's state senate control is Democratic.

QWhat is Massachusetts's state senate control?

Massachusetts's state senate control is Democratic.

More comparisons: California vs Massachusetts

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Full comparison
State Color Presidential Voting Margin Swing State / Battleground Governor Party State House Control Trifecta Electoral Votes

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Data source and freshness

Primary source
National Conference of State Legislatures — State Partisan Composition
Data period
January 27, 2026
Dataset reviewed
July 23, 2026
Method note
Current officeholder and chamber-control fields can change after elections or vacancies.