Ballots cast to approve Prop. 50 outnumbered "no" votes in Fresno, Imperial, Lake, Merced, Riverside, San Bernardino and San Joaquin counties, each of which were carried by Mr. Trump in the last presidential election.

California voters approved Proposition 50 on Tuesday, Nov. 4, in a statewide special election that was announced less than three months prior. And in about a year, Californians will be back at the polls.

Did Prop. 50 pass in California? Who won the governor race in New Jersey? See results and analysis as Democrats sweep off-year elections.

OPINION: United Nations monitors will be needed for next year's statewide elections - in June and November - and for the 2028 presidential primaries and election, Joe Mathews writes.