Republicans have picked up Senate seats in Indiana, Missouri and North Dakota, and successfully defended one in Tennessee. In the House, Democrats gained at least 35 seats.

The bottom line: Democrats have won control of the House and are waiting for more results in a few tight districts they hope to flip. Meanwhile, Republicans are expected to maintain control in the Senate, which currently stands at 51-47 with seats in Florida and deep-red Mississippi remain undecided.

Senate:

• Indiana: Republican Mike Braun has unseated Sen. Joe Donnelly in Indiana.
• North Dakota: Republican Rep. Kevin Cramer has defeated Democratic incumbent Sen. Heidi Heitkamp.
• Missouri: Republican Josh Hawley unseated Democrat incumbent Sen. Claire McCaskill
• Nevada: Democrat Jacky Rosen won Republican incumbent Dean Heller
• Arizona: Democratic Rep. Kyrsten Sinema flipped Sen. Jeff Flake's (R) seat from red to blue.

House:

• Virginia's 2nd: Democrat Elaine Luria beat out incumbent Republican Scott Taylor.
• Virginia's 7th: Democrat Abigail Spanberger beat incumbent Republican Dave Brat.
• Virginia's 10th: Democrat Jennifer Wexton unseated incumbent Republican Rep. Barbara Comstock.
• Florida's 26th: Republican Rep. Carlos Curbelo defeated by Democrat Debbie Mucarsel-Powell.
• Florida's 27th: Donna Shalala, a former Clinton administration official, Republican Maria Elvira Salazar, a TV journalist.
• New Jersey's 11th: Democrat Mikie Sherrill won the race for the open seat against Republican Jay Webber.
• New Jersey's 7th: Democrat Tom Malinowski ousted incumbent Republican Leonard Lance
• New Jersey's 2nd: Democrat Jeff Van Drew defeated Republican Seth Grossman
• New York's 11th: Max Rose defeated Republican Dan Donovan, the only Republican House member in New York City.
• New York's 19th: Democrat Antonio Delgado edges out incumbent Republican Rep. John Faso
• Pennsylvania's 5th: Democrat Mary Gay Scanlon won against Republican Pearl Kim in the district which was reformed after the state’s gerrymandered map was redrawn.
• Pennsylvania's 6th: Democrat Chrissy Houlahan beat out Republican Greg McCauley for the open seat.
• Pennsylvania's 7th: Democrat Susan Wild defeated Republican Marty Nothstein for the open seat.
• Pennsylvania's 14: Republican Guy Reschenthaler topped Democrat Bibiana Boerio
• Minnesota's 2nd: Democrat Angie Craig unseated Republican incumbent Jason Lewis
• Minnesota's 3rd: Dean Phillips defeated incumbent Republican Erik Paulsen.
• Kansas' 3rd: Democrat Sharice Davids defeated Republican incumbent Kevin Yoder.
• Colorado's 6th: Democrat Jason Crow unseated incumbent Republican Mike Coffman.
• Texas' 32nd: Democratic ex-NFL player Colin Allred beat incumbent Republican Pete Sessions.
• Oklahoma's 5th: Democrat Kendra Horn defeated Republican Steve Russell.
• Arizona's 2nd: Democrat Ann Kirkpatrick topped Republican Lea Marquez Peterson.
• Iowa's 1st: Democrat Abby Finkenauer unseated Republican incumbent Rod Blum.
• Iowa's 3rd: Democrat Cindy Axne defeated incumbent Republican David Young.
• Illinois' 14th: Democrat Lauren Underwood unseated incumbent Republican Randy Hultgren.
• Illinois' 6: Democrat Sean Casten defeated incumbent Republican Rep. Peter Roskam.
• California's 25th: Republican Rep. Steve Knight concedes to Democrat Katie Hill.
• Georgia's 6th: Republican Rep. Karen Handel concedes to Democrat newcomer Lucy McBath.

Go deeper: Live map: 2018 midterm elections results