Lake Dallas insurance and financial services businessman Read King held longtime incumbent Rep. Myra Crownover (R-Denton) under 55% in the 2014 primary. She did not run for re-election, while King pressed forward with another run. In the 2016 primary, King received more votes (6,236) than Crownover did in in 2014 (6,058), but his share of the record turnout vote fell from 45% to 30% against a pair of opponents. He finished second to Sanger veterinarian and former Sanger ISD board president Lynn Stucky (42%).
In 2014, King won 10 precincts against an incumbent. In 2016, King received the most votes in 3 precincts, winning none of them outright.