Democrats win both houses of Congress. NBC News and Decision Desk HQ announced that the Democrats will win the majority in the Senate and the House of Representatives. Before the election, the Republicans controlled both chambers. In the Senate, Rob requires 51 seats out of 100. Before the election, the Republicans had 53 seats, the Democrats 47. According to NBC News, Democrats now have 51 seats, Republicans 39, with 10 more up for grabs. The Democrats took six seats from the Republicans. In the House of Representatives, Rob requires 218 seats out of 435. Before the election, Republicans had 219 seats and Democrats 214, according to NBC News. The Democratic victory was announced by NBC News, which estimates they will win at least 252 seats, and Fox News. Seats that went from Republican to Democrat: North Carolina: Democrat Roy Cooper - 61.2%, Republican Michael Whatley - 36.9% (74% count), according to Fox News. South Carolina: Democrat Annie Andrews - 51%, Republican Darlene Graham - 46.8% (86% count), according to WMBF. Texas: Democrat James Tallarico - 59.2%, Republican Ken Paxton - 39.2% (67% count), according to NBC News. Ohio: Democrat Sherrod Brown - 48.6%, Republican John Husted - 46.5% (87% count), according to NBC News. Kansas: Democrat Adam Hamilton - 52.1%, Republican Roger Marshall - 44.9% (89% count), according to NBC News. Iowa: Democrat Josh Turk - 50.7%, Republican Ashley Hinson - 45.8% (90% count), according to NBC News. Republicans held Florida, Kentucky, Tennessee and Oklahoma, according to Fox News projections. The Democrats held Georgia and New Hampshire. Three races still undecided: Maine: Republican Susan Collins - 50.3%, Democrat Troy Jackson - 49.7% (41% count), according to NBC News. Michigan (Democratic seat): Democrat Abdul El-Said - 50.3%, Republican Mike Rogers - 47.8% (33.5% count), according to NBC News. Alaska: Republican Dan Sullivan vs. Democrat Mary Flatula, the count has not begun.