2006 2008 2010 2012 2014 2016 Adam P. Bell was the first Democrat to run for Texas's 3rd since the redistricting effort of 2012. 2018 The incumbent representative, Sam Johnson, decided not to run for reelection in 2018, after having represented Texas's 3rd since 1991. His stated reason for retiring was that "the Lord has made clear that the season of my life in Congress is coming to an end". 2020 2022 See also List of United States congressional districts References Congressional Biographical Directory of the United States 1774–present Texas Secretary of State 2010 General Election Statewide Race Summary 03 Dallas County, Texas Collin County, Texas