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Trump rallies are pretty much exclusively held in Trump-friendly places. 

That's not to say he avoids the blue states. It's just that he goes where he's welcome - he stays in the red parts, no matter what.

And that little detail is kind of important.

NAACP reminds us of an interesting little tidbit, via Business Insider, as reported back in March of this year:

US counties where President Donald Trump held a campaign rally saw a 226% increase in reported hate crimes over similar counties that did not hold a rally, political scientists at the University of North Texas said in an analysis published in The Washington Post.

According to a study done by University of North Texas professors Regina Branton and Valerie Martinez-Ebers, and PhD candidate Ayal Feinberg, the scientists found that Trump's statements during the 2016 campaign "may encourage hate crimes" in the respective counties.

The study measured the correlation between counties that hosted a 2016 campaign rally and the crime rates in the months that followed. The scientists used the Anti-Defamation League's map that measures acts of violence and compared the counties that hosted a rally with others that had similar characteristics, including minority population, location, and active hate groups.

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Branton, Martinez-Ebers, and Feinberg noted that their study "cannot be certain" that the marked increase was solely attributed to Trump's rhetoric. But they also shut down the suggestion that the reported hate crimes were fake.

"In fact, this charge is frequently used as a political tool to dismiss concerns about hate crimes," the analysis said. "Research shows it is far more likely that hate crime statistics are considerably lower because of underreporting."