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Religion in the U.S. by the numbers
Total number of religious adherents nationwide • 150,686,156
Percentage of total U.S. population •48.8
Religions by percent of U.S. population, 2010:
Catholic • 19.1 percent
Evangelical and Conservative Protestant • 14.3 percent
Mainline Protestant • 7.3 percent
Other faiths • 2.2 percent
LDS • 2 percent
Black Protestant • 1.6 percent
Orthodox Christian • 0.3 percent
U.S. national growth in the number of adherents, selected faiths, 2000 to 2010:
Muslim • 66.7 percent
Mormon • 45.5 percent
Protestant, Evangelical • 1.7 percent
Protestant, Mainline • (-12.8) percent
Catholic • (-5) percent
Comparable growth rates, 2000 to 2010, in metropolitan areas of at least 1 million population
Muslim • 56.9 percent
Mormon • 48.6 percent
Protestant, evangelical • 7.2 percent
Protestant, mainline • (-10.6) percent
Catholic • (-5.5) percent
Single largest religion in every U.S. state • Christianity
20 • Number of states in which Islam is the largest non-Christian group
Arkansas, Alabama, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Michigan, Mississippi, Nebraska, North Carolina, North Dakota, South Dakota, Texas, Virginia, West Virginia, Wisconsin and Wyoming
15 • Number of states, including D.C., in which Judaism is the largest non-Christian group
Connecticut, District of Columbia, Maine, Maryland, Massachusetts, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Tennessee and Vermont
13 • Number of states in which Buddhism is the largest non-Christian group
Alaska, California, Colorado, Hawaii, Idaho, Kansas, Montana, New Mexico, Nevada, Oklahoma, Oregon, Utah and Washington
2 • Number of states in which Hinduism is the largest non-Christian group
Arizona and Delaware
1 • Number of states in which Baha'i is the largest non-Christian group
South Carolina
30 • Number of states in which The Church of Jesus Christ of Latter-day Saints showed the largest gains of any Christian group:
(Alaska, Arizona, Arkansas, California, Connecticut, Florida, Hawaii, Idaho, Iowa, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, Montana, Nebraska, New Hampshire, New Jersey, New Mexico, New York, North Dakota, Ohio, Rhode Island, Utah, Vermont, Washington, West Virginia and Wyoming)
115 • Number of U.S. counties where LDS is the largest religious body
Counties in Utah with largest 2000-2010 Mormon population growth:
Tooele • 50.5 percent
Washington • 50 percent
Daggett • 42.1 percent
Utah • 41 percent
Wasatch • 37.1 percent
Morgan • 35 percent
*Millard • Only county in Utah where LDS population declined, 2000-2010, (-0.2) percent
Counties in Utah with highest Mormon percentage of total population, 2010:
Morgan • 88.9 percent
Utah • 88.7 percent
Rich • 88 percent
Sevier • 83.6 percent
Cache • 82.3 percent
Juab • 81.7 percent
Counties in Utah with lowest Mormon percentage of total population, 2010:
Grand • 31.1 percent
Summit • 35 percent
San Juan • 44 percent
Carbon • 53.1 percent
Kane • 57.8 percent
Salt Lake • 59.3 percent
Compiled by Tony Semerad
Source: U.S. Religion Census 2010 , compiled by the Association of Statisticians of American Religious Bodies