"Since late 2003 I have been fully engaged with politics as a campaign manager, a chief of staff, a candidate and as a Member of Congress. I have long advocated public service should be for a limited time and not a lifetime or full career. Many of you have heard me advocate, 'Get in, serve, and get out.' After more than 1,500 nights away from my home, it is time. I may run again for public office, but not in 2018,"
Chaffetz has been a target for liberal groups at his town hall meetings this year. He also received criticism last year from many in Utah over his endorsement of Donald Trump, then his decision to not support him after the Access Hollywood audio emerged, and then shortly after that announcing he’d vote for Trump.
All of that considered, he still won his heavily Republican district by a 47% margin.