Colorado Democrats needed all four remaining Senate contests to swing their way to gain a supermajority in the state Senate. At 11:49 a.m. on Thursday, AP called state Senate district 15 for Republican Marc Catlin over his Democratic opponent, Cole Buerger. Catlin bested Buerger by about 4%, or 3,500 votes.

Colorado Republicans denied Democrats a supermajority in the state Senate. But Democrats were likely to renew their large edge in the House.

With 83 of the General Assembly's 100 seats up for grabs on Election Day 2024, the big question was whether Senate Democrats could secure a two-thirds majority and whether House