what percent of us population is muslim

Muslims make up about 1% of the U.S. population, based on Pew Research Center’s estimate of 3.3 million Muslims in 2015 and about 1.0% of the total population.

A more recent Pew summary says Muslims still account for about 1% of the adult population in the United States.

If you want a single-number answer for a quick post, 1% is the safest concise figure.