What’s the Most Conservative Demographic in the United States?

What is the most male-dominated industry in the United States? I don’t know for sure, but it might well be “evangelical preacher”:

And what is the most conservative-dominated demographic in the United States? Military officers? Surgeons? Evangelical preachers? I don’t know that either, but I would nominate cigar smokers. What’s the deal with that? A friend of mine is a cigar smoker, and has steadily stopped socializing with his fellow cigar smokers because their get-togethers have become full-on Trumpathons. As near as I can tell, the cigar-smoking demographic is about 99 percent conservative, and he agrees. Why is that? Does anyone know?