2017 Lehigh County Executive election

2017 Lehigh County Executive election
November 7, 2017
 
Nominee Phillips Armstrong Brad Osborne
Party Democratic Republican
Popular vote 25,085 22,546
Percentage 52.62% 47.30%

County Executive before election

Tom Muller
Democratic

Elected County Executive

Phillips Armstrong
Democratic

The 2017 Lehigh County Executive election was held on November 7, 2017. Incumbent Democratic County Executive Tom Muller declined to seek re-election to a second term, instead endorsing Whitehall Township Commissioner Phillips Armstrong as his successor. Armstrong won the Democratic primary unopposed. County Commissioner Brad Osborne defeated County Controller Glenn Eckhart to win the Republican nomination, 56–44 percent, and faced Armstrong in the general election. Armstrong defeated Osborne by a thin margin, winning his first term as County Executive with 53 percent of the vote.