Democratic candidates Mike Siegel and Tawana Walter-Cadien headed to a runoff election after no candidate in the Democratic race received more than 50 percent of the vote in the March 6 election. Siegel led the race with 39.96 percent of votes March 6, and Walter-Cadien followed with 17.96 percent of the vote. Four additional Democratic candidates participated in the March 6 election and received the remainder of the votes.
The winner of the May 22 runoff election will face incumbent Michael McCaul, who won the Republican primary, in the November election. Texas' 10th congressional district spans multiple counties from the Greater Houston area to the Austin metro area.
Find a full list of early voting locations in Harris County here.