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United States

Religious Traditions, 2010

50,013,107 4,877,067 22,568,258 1,056,535 58,934,906 13,146,919 158,148,746
Evangelical Protestant Black Protestant Mainline Protestant Orthodox Catholic Other Unclaimed

Congregational adherents include all full members, their children, and others who regularly attend services. The 2010 reports contain incomplete counts of congregations and adherents belonging to the eight largest historically African-American denominations. These denominations are not included in the 2000 reports and are largely missing from the 1990 and 1980 reports.
[More information on the data sources]

Reports


Religious Bodies Tradition Family Congregations Adherents % Change
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist -144 -791,718 -72.5%
Amana Church Society Evangelical Protestant Communal -6 -356 -45.1%
American Baptist Association, The Evangelical Protestant Baptist -270 -21,302 -9.5%
American Baptist Churches in the USA Mainline Protestant Baptist -549 -361,895 -18.8%
Apostolic Lutheran Church of America Evangelical Protestant Lutheran +2 --- ---
Armenian Apostolic Church of America (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) +16 +20,336 +199.5%
Assemblies of God Evangelical Protestant Pentecostal +2,811 +1,332,232 +82.6%
Associate Reformed Presbyterian Church Evangelical Protestant Presbyterian-Reformed +130 -6 +0.0%
Association of Free Lutheran Congregations Evangelical Protestant Lutheran +145 --- ---
Beachy Amish Mennonite Churches* Evangelical Protestant European Free-Church +19 +6,406 +108.5%
Brethren Church, The (Ashland, Ohio) Evangelical Protestant European Free-Church -7 -5,112 -27.8%
Brethren In Christ Church Evangelical Protestant European Free-Church +90 --- ---
Catholic Church Catholic Catholicism -1,759 +11,461,683 +24.1%
Christian and Missionary Alliance, The Evangelical Protestant Holiness +720 +258,078 +151.2%
Christian Brethren Evangelical Protestant Ind. Fundamentalist -618 --- ---
Christian Church (Disciples of Christ) Mainline Protestant Baptist -699 -427,201 -35.2%
Christian Churches and Churches of Christ Evangelical Protestant Baptist +0 +325,235 +28.8%
Christian Methodist Episcopal Church Black Protestant Methodist/Pietist -318 -390,790 -57.4%
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed +175 +12,109 +5.7%
Christian Union Evangelical Protestant Other Groups -6 --- ---
Church of God (Anderson, Indiana) Evangelical Protestant Holiness -134 -309,894 -57.9%
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal +1,067 +635,677 +134.0%
Church of God (Seventh Day) Evangelical Protestant Adventist +89 --- ---
Church of God General Conference Evangelical Protestant Adventist -3 -2,412 -38.6%
Church of God in Christ, Mennonite Evangelical Protestant European Free-Church +87 +10,986 +147.4%
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints +6,830 +3,459,838 +128.9%
Church of the Brethren Evangelical Protestant European Free-Church -29 -61,392 -29.5%
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran +3 +15,760 +144.1%
Church of the Lutheran Confession Evangelical Protestant Lutheran +7 --- ---
Church of the Nazarene Evangelical Protestant Holiness +164 +7,900 +0.9%
Churches of Christ Evangelical Protestant Baptist -135 -16,015 -1.0%
Congregational Holiness Church Evangelical Protestant Pentecostal +103 +8,196 +117.1%
Conservative Baptist Association of America Evangelical Protestant Baptist +99 --- ---
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian-Reformed +169 +22,894 +82.3%
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist +391 +108,899 +72.0%
Cumberland Presbyterian Church Evangelical Protestant Presbyterian-Reformed -133 -23,731 -26.2%
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism -497 -871,492 -30.9%
Evangelical Church, The Evangelical Protestant Holiness -17 --- ---
Evangelical Congregational Church, The Evangelical Protestant Methodist/Pietist -31 -13,493 -39.6%
Evangelical Covenant Church, The Evangelical Protestant Methodist/Pietist +271 +135,600 +146.2%
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist +821 +286,052 +402.1%
Evangelical Lutheran Church in America Mainline Protestant Lutheran -996 -1,198,724 -22.3%
Evangelical Lutheran Synod Evangelical Protestant Lutheran +19 -753 -3.8%
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist -30 --- ---
Fellowship of Evangelical Bible Churches Evangelical Protestant European Free-Church +3 -629 -22.9%
Fellowship of Evangelical Churches Evangelical Protestant European Free-Church +24 +4,598 +100.1%
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal +991 +161,689 +101.0%
Free Methodist Church of North America Evangelical Protestant Holiness -71 -97,305 -47.6%
Grace Brethren Churches, Fellowship of Mainline Protestant European Free-Church -12 --- ---
International Pentecostal Holiness Church Evangelical Protestant Pentecostal +594 +167,406 +137.1%
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran +354 -351,926 -13.4%
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups +24 -5,414 -23.5%
Missionary Church, The Evangelical Protestant Holiness +146 +32,282 +102.5%
Moravian Church in America--Northern Province Mainline Protestant Methodist/Pietist -32 -16,675 -45.1%
Moravian Church in America--Southern Province Mainline Protestant Methodist/Pietist +3 -5,321 -25.3%
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed +19 -53,117 -44.3%
North American Baptist Conference Evangelical Protestant Baptist +31 +5,493 +10.6%
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal -6 -23,890 -51.3%
Orthodox Presbyterian Church, The Evangelical Protestant Presbyterian-Reformed +173 +14,958 +110.0%
Pentecostal Free Will Baptist Church, Inc. Evangelical Protestant Pentecostal +24 --- ---
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed -2,214 -1,560,855 -38.9%
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed +1,039 +228,305 +201.8%
Primitive Methodist Church in the USA Evangelical Protestant Methodist/Pietist -16 --- ---
Protestant Reformed Churches in America Evangelical Protestant Presbyterian-Reformed +8 +3,007 +69.7%
Reformed Church in America Mainline Protestant Presbyterian-Reformed -25 -75,928 -20.5%
Reformed Presbyterian Church of North America Evangelical Protestant Presbyterian-Reformed +11 +1,250 +26.4%
Romanian Orthodox Archdiocese in Americas Orthodox Eastern Liturgical (Orthodox) +19 -4,162 -27.1%
Salvation Army Evangelical Protestant Holiness +158 +17,796 +4.9%
Seventh Day Baptist General Conference, USA and Canada Evangelical Protestant Baptist +35 -977 -15.9%
Seventh-day Adventist Church Evangelical Protestant Adventist +1,989 +526,385 +78.7%
Southern Baptist Convention Evangelical Protestant Baptist +15,264 +3,614,587 +22.2%
Southern Methodist Church Evangelical Protestant Methodist/Pietist -55 --- ---
Swedenborgian Church Other Spiritualist -9 --- ---
Syriac Orthodox Church of Antioch Orthodox Eastern Liturgical (Orthodox) +18 -8,275 -34.5%
U.S. Mennonite Brethren Evangelical Protestant European Free-Church +66 +22,660 +117.6%
Ukrainian Orthodox Church of the USA Orthodox Eastern Liturgical (Orthodox) +78 +17,052 +321.1%
Unitarian Universalist Association of Congregations Other Liberal +90 +55,320 +35.4%
United Church of Christ Mainline Protestant Presbyterian-Reformed -1,180 -811,718 -38.7%
United Methodist Church, The Mainline Protestant Methodist/Pietist -5,142 -1,691,458 -14.6%
United Zion Church Evangelical Protestant European Free-Church -1 -215 -23.0%
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran +142 -21,494 -5.3%
Totals: +19,672 +13,543,987 +12%

The population of the United States was 308,745,538 in 2010; in 2000 it was 281,421,839. The total population changed 9.7%. The adherent totals of the religious groups listed above (150,596,792) included 48.8% of the total population in 2010.

The population of the United States was 225,002,911 in 1980. The adherent totals of the religious groups listed above (112,538,310) included 50.0% of the total population in 1980.

* In an effort to better match the ASARB standards for adherents, a few religious bodies changed the way their adherents were reported in 2010, including the Catholic Church, Amish groups, Friends groups, Jewish groups, the Church of Jesus Christ of Latter-day Saints, Non-denominational Christian Churches, and the United Methodist Church. This change does not affect any of the data in the newly released 2010 U.S. Religion Census: Religious Congregations & Membership Study. In fact, the data for these groups are now more comparable to that of other bodies than it was in previous decadal reports.

However, the change in methodology can distort assessments on growth or decline between 2000 and 2010 for each of these groups. County-level 2000 data using the new methodology are not readily available. ASARB staff has adjusted some 2000 county-level adherent statistics to allow for a more accurate picture on growth or decline. The revised maps and charts are now available on-line at www.usreligioncensus.org for those who are interested in these trends.

Source

2010 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 236 religious groups, providing information on the number of their congregations and adherents within each state and county in the United States. Clifford Grammich, Kirk Hadaway, Richard Houseal, Dale E. Jones, Alexei Krindatch, Richie Stanley and Richard H. Taylor supervised the collection. These data originally appeared in 2010 U.S. Religion Census: Religious Congregations & Membership Study, published by the Association of Statisticians of American Religious Bodies (ASARB). [More information on the data collection]

The adherence rate provides the number of adherents of a particular group per 1,000 population. For example, in 2010 the Episcopal Church had an adherence rate of 7.6 in Autauga County, Alabama. This means that about 8 out of every 1,000 people in Autauga County were Episcopalian.