Rep. Joaquin Castro, a Democrat, has won another term representing Texas' 20th Congressional District, beating Jeffrey Blunt.
With all precincts reporting, Castro has 80.9 percent of the vote, followed by Blunt with 19.1 percent.
Castro has represented the district in the House since 2013.
Democrats have gained a majority in the House, with 235 seats in the next Congress. All of Texas's House seats have been decided; two switched hands, all going to Democrats.
The number of votes cast for Democrats in House races has increased 55.0 percent from the 2014 midterms, compared with an increase of 25.6 percent for Republicans.
The district went for Democrat Hillary Clinton in 2016 by a margin of 26.4 points. President Trump, a Republican, won Texas by nine points.
Data is from the Associated Press. This story may be updated if more information becomes available. It is powered by Heliograf, The Post's artificial intelligence system.