At least in Collin Co., the so-called “Trump effect” was limited to Trump himself. Democrats gained some ground on Republicans in terms of straight-ticket voters, but full-ballot voters remained friendly to all Republicans not named Trump.
All five House districts featured at least a Republican and Democratic candidate, and the five Republican candidates – four incumbents and an open-seat nominee – combined won 67% of the vote from full-ballot voters, measured head-to-head against their Democratic rivals. Trump narrowly defeated Hillary Clinton, 51%-49%, head-to-head among full-ballot voters. The gap between the House Republicans and Trump among full-ballot voters ranged from 10 percentage points (Justin Holland in HD33) to 24 points (Reps. Matt Shaheen in HD66 and Scott Sanford in HD70).
All Republicans countywide, including Trump, enjoyed significant straight-ticket advantages, but a 37% increase in the number of straight-ticket Democratic voters cut that countywide advantage to 58K votes. Republicans countywide had a 72K-vote advantage in straight-ticket voting four years ago.
Four of the five House districts shifted toward the Democrats, at least in terms of straight-ticket voting margins, while Sanford’s district became redder.
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