Almost three-quarters of Trump voters said Islam is a threat, compared with 18 percent of those who voted for Hillary Clinton. An even higher percentage — 81 percent — of Trump voters strongly agreed that Middle East refugees are a terror threat, compared with 12 percent of Clinton voters.

“Today, divisions in the American public are stark,” said Paul Froese, a Baylor University sociology professor and director of Baylor Religion Surveys. “We can trace many of our deep differences to how people understand traditional morality, theology, and the purpose of our nation.”

And while presidents before have consulted with spiritual advisers — evangelist Billy Graham is the best-known example — the current group’s members certainly appear to care not only about Trump’s own spiritual well-being, but also have concrete views about a range of issues and make no secret of wanting policy changes.

But exactly how much influence they wield — and whether they benefit from the association — is a matter of conjecture and debate.

“As a leader in my religious community, I am strongly opposed to any effort to repeal or weaken current law that protects houses of worship from becoming centers of partisan politics,” reads the letter faith leaders who support church-state separation delivered to Congress on Wednesday.

Chattanooga, Tenn., was the most churched city, at 59 percent. The California region including San Francisco, Oakland, and San Jose was the most unchurched, at 60 percent, and the most dechurched, at 47 percent.