U.S. Membership Report
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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
Catholic Church Catholic Catholicism -1,759 +11,425,735 +24.1%
Southern Baptist Convention Evangelical Protestant Baptist +15,264 +3,614,587 +22.2%
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints +6,830 +3,459,838 +128.9%
Assemblies of God Evangelical Protestant Pentecostal +2,811 +1,332,232 +82.6%
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal +1,067 +635,677 +134.0%
Seventh-day Adventist Church Evangelical Protestant Adventist +1,989 +526,385 +78.7%
Christian Churches and Churches of Christ Evangelical Protestant Restoration Movement +0 +325,235 +28.8%
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist +821 +286,052 +402.1%
Christian and Missionary Alliance, The Evangelical Protestant Holiness +720 +258,078 +151.2%
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed +1,039 +228,305 +201.8%
International Pentecostal Holiness Church Evangelical Protestant Pentecostal +594 +167,406 +137.1%
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal +991 +161,689 +101.0%
Evangelical Covenant Church, The Evangelical Protestant Methodist/Pietist +271 +135,600 +146.2%
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist +391 +108,899 +72.0%
Unitarian Universalist Association of Congregations Other Liberal +90 +55,320 +35.4%
Missionary Church, The Evangelical Protestant Holiness +146 +32,282 +102.5%
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian-Reformed +169 +22,894 +82.3%
U.S. Mennonite Brethren Evangelical Protestant European Free-Church +66 +22,660 +117.6%
Armenian Apostolic Church of America (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) +16 +20,336 +199.5%
Salvation Army Evangelical Protestant Holiness +158 +17,796 +4.9%
Ukrainian Orthodox Church of the USA Orthodox Eastern Liturgical (Orthodox) +78 +17,052 +321.1%
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran +3 +15,760 +144.1%
Orthodox Presbyterian Church, The Evangelical Protestant Presbyterian-Reformed +173 +14,958 +110.0%
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed +175 +12,109 +5.7%
Church of God in Christ, Mennonite Evangelical Protestant European Free-Church +87 +10,986 +147.4%
Congregational Holiness Church Evangelical Protestant Pentecostal +103 +8,196 +117.1%
Church of the Nazarene Evangelical Protestant Holiness +164 +7,900 +0.9%
Beachy Amish Mennonite Churches* Evangelical Protestant European Free-Church +19 +6,406 +108.5%
North American Baptist Conference Evangelical Protestant Baptist +31 +5,493 +10.6%
Fellowship of Evangelical Churches Evangelical Protestant European Free-Church +24 +4,598 +100.1%
Protestant Reformed Churches in America Evangelical Protestant Presbyterian-Reformed +8 +3,007 +69.7%
Reformed Presbyterian Church of North America Evangelical Protestant Presbyterian-Reformed +11 +1,250 +26.4%
Associate Reformed Presbyterian Church Evangelical Protestant Presbyterian-Reformed +130 -6 +0.0%
United Zion Church Evangelical Protestant European Free-Church -1 -215 -23.0%
Amana Church Society Evangelical Protestant Communal -6 -356 -45.1%
Fellowship of Evangelical Bible Churches Evangelical Protestant European Free-Church +3 -629 -22.9%
Evangelical Lutheran Synod Evangelical Protestant Lutheran +19 -753 -3.8%
Seventh Day Baptist General Conference, USA and Canada Evangelical Protestant Baptist +35 -977 -15.9%
Church of God General Conference Evangelical Protestant Adventist -3 -2,412 -38.6%
Romanian Orthodox Archdiocese in Americas Orthodox Eastern Liturgical (Orthodox) +19 -4,162 -27.1%
Brethren Church, The (Ashland, Ohio) Evangelical Protestant European Free-Church -7 -5,112 -27.8%
Moravian Church in America--Southern Province Mainline Protestant Methodist/Pietist +3 -5,321 -25.3%
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups +24 -5,414 -23.5%
Syriac Orthodox Church of Antioch Orthodox Eastern Liturgical (Orthodox) +18 -8,275 -34.5%
Evangelical Congregational Church, The Evangelical Protestant Methodist/Pietist -31 -13,493 -39.6%
Churches of Christ Evangelical Protestant Restoration Movement -135 -16,015 -1.0%
Moravian Church in America--Northern Province Mainline Protestant Methodist/Pietist -32 -16,675 -45.1%
American Baptist Association, The Evangelical Protestant Baptist -270 -21,302 -9.5%
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran +142 -21,494 -5.3%
Cumberland Presbyterian Church Evangelical Protestant Presbyterian-Reformed -133 -23,731 -26.2%
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal -6 -23,890 -51.3%
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed +19 -53,117 -44.3%
Church of the Brethren Evangelical Protestant European Free-Church -29 -61,392 -29.5%
Reformed Church in America Mainline Protestant Presbyterian-Reformed -25 -75,928 -20.5%
Free Methodist Church of North America Evangelical Protestant Holiness -71 -97,305 -47.6%
Church of God (Anderson, Indiana) Evangelical Protestant Holiness -134 -309,894 -57.9%
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran +354 -351,926 -13.4%
American Baptist Churches in the USA Mainline Protestant Baptist -549 -361,895 -18.8%
Christian Methodist Episcopal Church Black Protestant Methodist/Pietist -318 -390,790 -57.4%
Christian Church (Disciples of Christ) Mainline Protestant Restoration Movement -699 -427,201 -35.2%
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist -144 -791,718 -72.5%
United Church of Christ Mainline Protestant Presbyterian-Reformed -1,180 -811,718 -38.7%
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism -497 -871,492 -30.9%
Evangelical Lutheran Church in America Mainline Protestant Lutheran -996 -1,198,724 -22.3%
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed -2,214 -1,560,855 -38.9%
United Methodist Church, The Mainline Protestant Methodist/Pietist -5,142 -1,691,458 -14.6%
Apostolic Lutheran Church of America Evangelical Protestant Lutheran +2 --- ---
Association of Free Lutheran Congregations Evangelical Protestant Lutheran +145 --- ---
Brethren In Christ Church Evangelical Protestant European Free-Church +90 --- ---
Christian Brethren Evangelical Protestant Ind. Fundamentalist -618 --- ---
Christian Union Evangelical Protestant Other Groups -6 --- ---
Church of God (Seventh Day) Evangelical Protestant Adventist +89 --- ---
Church of the Lutheran Confession Evangelical Protestant Lutheran +7 --- ---
Conservative Baptist Association of America Evangelical Protestant Baptist +99 --- ---
Evangelical Church, The Evangelical Protestant Holiness -17 --- ---
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist -30 --- ---
Grace Brethren Churches, Fellowship of Mainline Protestant European Free-Church -12 --- ---
Pentecostal Free Will Baptist Church, Inc. Evangelical Protestant Pentecostal +24 --- ---
Primitive Methodist Church in the USA Evangelical Protestant Methodist/Pietist -16 --- ---
Southern Methodist Church Evangelical Protestant Methodist/Pietist -55 --- ---
Swedenborgian Church Other Spiritualist -9 --- ---
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.


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