No, he doesn't take pay. 
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[...] For the second quarter in a row, President Donald Trump declined to take a salary and opted instead to gift the quarterly installment to a government entity, this time to the Department of Education...
 http://www.politifact.com/truth-o-meter/promises/trumpometer/promise/1341/take-no-salary/

Article II of the Constitution requires a president to be paid:
-The President shall, at stated times, receive for his services, a compensation, which shall neither be increased nor diminished during the period for which he shall have been elected... https://constitutioncenter.org/interactive-constitution/articles/article-ii

[...] Trump reiterated this pledge as president-elect more than a year later on Nov. 13, 2016, when he told 60 Minutes' Lesley Stahl he still wouldn't take the salary.
"I think I have to by law take $1, so I'll take $1 a year," Trump said...
https://www.cbsnews.com/news/did-donald-trump-say-hed-refuse-to-take-a-salary-as-president/
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