The Huffington Post reports:
A study measuring religious bodies in the United States called the, “2010 U.S. Religious Census: Religious Congregations & Membership Study (RCMS)” was recently released by the Association of Statisticians of American Religious Bodies (ASARB). The most comprehensive study of its kind, it provides detailed county-by-county information on congregations, members, adherents and attendance for 236 different faiths groups.
There's more:
The researchers found Illinois to be the most Muslim state with around 2.8 percent of the population identifying as Muslim adherents. The researchers found Montana to be the least Muslim state with only 0.034 percent identifying as Muslim adherents.
An article well worth your time.
