At the risk of starting a contentious thread... here goes.
The data from a meta-analysis shows that there's a correlation between intelligence and lack of religious belief. In other words, the answer to the thread title is: generally yes.
Please read the attached article for full text... not going to copy it here because it's too long. But, it explains what data they used and how they interpreted it.
My take is that this makes perfect sense. More intelligent people are better at rational thought and (IMO) are more curious about explanations for phenomena and claims of such. Religion is generally the opposite of rational thought... certainly the supernatural is... and mostly works to shut down questioning and independent thought.