Well yes, but you won’t like them:
http://kspark.kaist.ac.kr/Jesus/Intelligence%20&%20religion.htm
Lots of sources there.
But it doesn’t really matter. No truth about anything (except the truth about what people say on a census) can be established on the basis of how many people believe something.
By the way, though I am an atheist, I find the statistics on the numbers of “anti-religious,” especially the “strongly anti-religious” very alarming. Totally disagreeing with something and being “anti-” something are totally different.
Hank
You are part of the U.S.A.’s most despised religious minority; although Atheists are overrepresented in the U.S. armed forces, and underrepresented in U.S. prisons, and have not shown a tendency to fly planes into skyscrapers.
I prefer my own source, it clearly states its methods and subject group, and it accurately reflects my own experiences. I knew plenty of University level and Professional Scientists, and around 2/3rds (or more)are people of faith (as the study suggested); I have never met (AFAIK) a member of the National Academy of Sciences (the group polled that showed that very few of “elite” Scientists are believers).