Although the statistics provide the most comprehensive picture yet of the religious composition of the United States, some problems remain
in the collection and tallying of data. Some groups, such as Jehovah's Witnesses, do not want to participate in the census and therefore are
not counted. Some -- such as Buddhists, Hindus and certain Orthodox and black Baptist churches -- only provided information on the number of
congregations, not the number of adherents.
Because of differences in how churches define a "member," the association of statisticians used the term "adherent" to describe all those
who regularly join in religious services. Most Protestant churches, for example, do not consider young people to be members until they are
confirmed, but the census counts them as "adherents."
Like the U.S. census, the data is reported by region, state and county. Adherents are listed in the county in which they worship, not the
county where they live, leading in some cases to counties with more adherents than their total population.
Only one U.S. jurisdiction -- Loving County in Texas -- reported no congregations or adherents to any of the 149 groups in the study.
The 149 reporting groups included:
-- 66 million Protestants in 222,000 congregations.
-- 62 million Catholics in nearly 22,000 congregations.
-- 6 million Jews in 3,727 congregations.
-- 4 million Mormons in 12,000 congregations.
-- 1.6 million Muslims in more than 1,000 congregations.
-- Nearly 1 million Eastern Christians, including Orthodox, in 2,000 congregations.
-- 150,000 adherents to Eastern religions in 4,000 congregations.
-- 180,000 Unitarian Universalists in 1,000 congregations.
Catholics have the largest number of adherents in 37 states and the District of Columbia. The Southern Baptist Convention has the largest
number of adherents in 10 states, all in the South. The Church of Jesus Christ of Latter-day Saints has the most adherents in Idaho and
Utah, and the United Methodists have the most adherents in West Virginia.
Although they declined by more than 740,000 since 1990 to 10.3 million in 2000, United Methodists were found to be the most widespread
religious group in the census. They were present in 96 percent of the nation's 3,141 counties or county equivalents, compared to 95 percent
for Catholics and 85 percent for Southern Baptists.
The only other groups present in more than three-fourths of the nation's counties were Assemblies of God (83 percent), Churches of Christ
(77 percent), Baha'i (77 percent) and Presbyterian Church (USA) (76 percent).
Utah (74 percent), North Dakota (73 percent) and the District of Columbia (73 percent) had the largest percentage of people claimed by
groups participating in the census, while Oregon (31 percent) and Washington (33 percent) had the least.
The top counties in the United States in terms of number of adherents and congregations were: Los Angeles County, Calif., with 5.5 million
people in 4,044 congregations; Cook County, Chicago, with 3.1 million adherents in 2,346 congregations; and Harris County, Houston, with 1.7
million people in 1,587 congregations.
END
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