There were 570 people with the last name Bluemel in the United States, according to the 2010 U.S. Census data cited by 23andMe and Wiktionary.

Quick note

  • Another directory-style source gives a different estimate of 747 in the U.S., but that appears to be a separate compiled distribution source rather than the census count.
  • For the most commonly cited official-style figure, 570 is the best answer.

TL;DR

Bluemel is a rare surname in the U.S., with about 570 people recorded in the 2010 Census.