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 Adherence Rate
Catholic Church Catholic Catholicism 22,441 53,385,998 214.7
Southern Baptist Convention Evangelical Protestant Baptist 37,922 18,940,682 76.2
United Methodist Church, The Mainline Protestant Methodist/Pietist 37,238 11,091,032 44.6
Black Baptists Estimate Evangelical Protestant Baptist --- 8,737,667 35.1
Jewish Other Judaism 3,975 5,982,529 24.1
Evangelical Lutheran Church in America Mainline Protestant Lutheran 10,912 5,226,798 21.0
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 11,433 3,553,335 14.3
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 9,208 3,540,820 14.2
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 6,020 2,603,725 10.5
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 7,333 2,445,286 9.8
Assemblies of God Evangelical Protestant Pentecostal 11,149 2,161,610 8.7
United Church of Christ Mainline Protestant Presbyterian-Reformed 6,260 1,993,459 8.0
American Baptist Churches in the USA Mainline Protestant Baptist 5,801 1,873,731 7.5
Churches of Christ Evangelical Protestant Baptist 13,097 1,681,013 6.8
Christian Churches and Churches of Christ Evangelical Protestant Baptist 5,238 1,213,188 4.9
Independent, Non-Charismatic Churches Evangelical Protestant
----
1,363 1,207,173 4.9
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 1,962 1,142,016 4.6
Christian Church (Disciples of Christ) Mainline Protestant Baptist 4,035 1,037,757 4.2
Seventh-day Adventist Church Evangelical Protestant Adventist 4,214 903,062 3.6
Church of the Nazarene Evangelical Protestant Holiness 5,167 888,123 3.6
Independent, Charismatic Churches Evangelical Protestant Pentecostal 829 794,254 3.2
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 4,996 695,074 2.8
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 1,228 419,928 1.7
Reformed Church in America Mainline Protestant Presbyterian-Reformed 917 362,932 1.5
National Association of Free Will Baptists Evangelical Protestant Baptist 2,461 293,448 1.2
Baptist Missionary Association of America Evangelical Protestant Baptist 1,374 289,969 1.2
Christian and Missionary Alliance, The Evangelical Protestant Holiness 1,797 271,865 1.1
Wesleyan Church, The Evangelical Protestant Holiness 1,657 259,740 1.0
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 1,445 255,092 1.0
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 2,336 232,876 0.9
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed 716 226,163 0.9
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 1,161 221,392 0.9
Mennonite Church USA Evangelical Protestant European Free-Church 1,499 195,210 0.8
Unitarian Universalist Association of Congregations Other Liberal 965 190,193 0.8
Church of the Brethren Evangelical Protestant European Free-Church 1,121 186,588 0.8
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 1,046 181,692 0.7
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 786 167,874 0.7
International Pentecostal Holiness Church Evangelical Protestant Pentecostal 1,490 157,728 0.6
Friends (Quakers) Mainline Protestant European Free-Church 1,296 130,484 0.5
Salvation Army Evangelical Protestant Holiness 1,167 127,577 0.5
Old Order Amish Evangelical Protestant European Free-Church 830 121,750 0.5
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed 399 99,110 0.4
Church of God of Prophecy Evangelical Protestant Pentecostal 2,101 91,861 0.4
Pentecostal Church of God Evangelical Protestant Pentecostal 1,171 91,072 0.4
Cumberland Presbyterian Church Evangelical Protestant Presbyterian-Reformed 737 91,040 0.4
Christian Brethren Evangelical Protestant Ind. Fundamentalist 820 85,600 0.3
Free Methodist Church of North America Evangelical Protestant Holiness 1,038 82,766 0.3
Armenian Apostolic Church of America (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) 22 73,300 0.3
United Baptists Evangelical Protestant Baptist 436 68,187 0.3
North American Baptist Conference Evangelical Protestant Baptist 267 54,010 0.2
Primitive Baptists Associations Evangelical Protestant Baptist 1,159 49,294 0.2
Evangelical Presbyterian Church Evangelical Protestant Presbyterian-Reformed 138 45,464 0.2
Churches of God, General Conference Evangelical Protestant Presbyterian-Reformed 352 41,499 0.2
Missionary Church, The Evangelical Protestant Holiness 303 39,948 0.2
Associate Reformed Presbyterian Church Evangelical Protestant Presbyterian-Reformed 187 37,988 0.2
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant Presbyterian-Reformed 232 36,679 0.1
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian-Reformed 177 35,600 0.1
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox Eastern Liturgical (Orthodox) 17 34,646 0.1
Evangelical Congregational Church, The Evangelical Protestant Methodist/Pietist 159 33,166 0.1
Moravian Church in America--Northern Province Mainline Protestant Methodist/Pietist 98 31,250 0.1
Syriac Orthodox Church of Antioch Orthodox Eastern Liturgical (Orthodox) 29 30,000 0.1
Association of Free Lutheran Congregations Evangelical Protestant Lutheran 203 27,316 0.1
Church of the United Brethren in Christ Evangelical Protestant Methodist/Pietist 240 25,749 0.1
Advent Christian Church Evangelical Protestant Adventist 329 23,794 0.1
U.S. Mennonite Brethren Evangelical Protestant European Free-Church 134 22,097 0.1
Evangelical Lutheran Synod Evangelical Protestant Lutheran 126 21,523 0.1
Moravian Church in America--Southern Province Mainline Protestant Methodist/Pietist 55 21,269 0.1
Apostolic Christian Church of America, Inc. Evangelical Protestant European Free-Church 79 19,809 0.1
Brethren In Christ Church Evangelical Protestant European Free-Church 188 19,769 0.1
Old Regular Baptists Evangelical Protestant Baptist 326 19,257 0.1
Interstate & Foreign Landmark Missionary Baptists Association Evangelical Protestant Baptist 129 18,293 0.1
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran 109 17,793 0.1
Brethren Church, The (Ashland, Ohio) Evangelical Protestant European Free-Church 124 16,331 0.1
"Old" Missionary Baptists Associations Evangelical Protestant Baptist 73 16,289 0.1
American Carpatho-Russian Orthodox Diocese Orthodox Eastern Liturgical (Orthodox) 69 14,610 0.1
American Association of Lutheran Churches Evangelical Protestant Lutheran 79 14,545 0.1
Latvian Evangelical Lutheran Church in America Mainline Protestant Lutheran 56 14,299 0.1
Duck River and Kindred Baptists Associations Evangelical Protestant Baptist 102 13,215 0.1
Church of God in Christ, Mennonite Evangelical Protestant European Free-Church 75 12,535 0.1
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist 128 11,105 0.0
Hutterian Brethren Evangelical Protestant Communal 111 11,037 0.0
Jasper Baptist and Pleasant Valley Baptist Associations Evangelical Protestant Baptist 40 9,209 0.0
Church of the Lutheran Confession Evangelical Protestant Lutheran 69 8,753 0.0
Beachy Amish Mennonite Churches* Evangelical Protestant European Free-Church 91 8,243 0.0
Bible Church of Christ, Inc. Evangelical Protestant Pentecostal 6 8,156 0.0
Primitive Methodist Church in the USA Evangelical Protestant Methodist/Pietist 81 7,937 0.0
Apostolic Lutheran Church of America Evangelical Protestant Lutheran 53 7,812 0.0
Church of God (Seventh Day) Evangelical Protestant Adventist 153 7,511 0.0
Reformed Episcopal Church Evangelical Protestant Episcopalianism/Anglicanism 80 6,559 0.0
Seventh Day Baptist General Conference, USA and Canada Evangelical Protestant Baptist 83 6,439 0.0
Church of God, Mountain Assembly, Inc. Evangelical Protestant Pentecostal 103 6,231 0.0
Enterprise Baptists Association Evangelical Protestant Baptist 70 6,001 0.0
Berean Fundamental Church Evangelical Protestant Ind. Fundamentalist 47 5,457 0.0
Church of God General Conference Evangelical Protestant Adventist 88 5,370 0.0
Moravian Church in America--Alaska Province Mainline Protestant Methodist/Pietist 22 5,338 0.0
Netherlands Reformed Congregations Evangelical Protestant Presbyterian-Reformed 15 5,169 0.0
Fellowship of Evangelical Churches Evangelical Protestant European Free-Church 26 5,122 0.0
Estonian Evangelical Lutheran Church Mainline Protestant Lutheran 25 4,942 0.0
Regular Baptists Evangelical Protestant Baptist 41 4,722 0.0
International Pentecostal Church of Christ Evangelical Protestant Pentecostal 78 4,102 0.0
Central Baptist Association Ministries Evangelical Protestant Baptist 35 4,031 0.0
Eastern Pennsylvania Mennonite Church Evangelical Protestant European Free-Church 47 3,881 0.0
Reformed Church in the United States Evangelical Protestant Presbyterian-Reformed 35 3,722 0.0
Apostolic Christian Churches (Nazarene) Evangelical Protestant European Free-Church 48 3,516 0.0
New Hope Baptist Association Evangelical Protestant Baptist 22 3,150 0.0
Schwenkfelder Church Evangelical Protestant European Free-Church 5 3,031 0.0
Allegheny Wesleyan Methodist Connection Evangelical Protestant Methodist/Pietist 120 2,526 0.0
Wayne Trail Missionary Baptist Association Evangelical Protestant Baptist 11 2,467 0.0
Fellowship of Evangelical Bible Churches Evangelical Protestant European Free-Church 16 2,089 0.0
Midwest Congregational Christian Fellowship Evangelical Protestant Presbyterian-Reformed 30 1,880 0.0
Barren River Missionary Baptists Evangelical Protestant Baptist 11 1,408 0.0
The Protestant Conference (Lutheran) Evangelical Protestant Lutheran 7 1,095 0.0
Fundamental Methodist Conference, Inc. Evangelical Protestant Methodist/Pietist 13 1,037 0.0
Fire Baptized Holiness Church, (Wesleyan), The Evangelical Protestant Holiness 49 889 0.0
United Christian Church Evangelical Protestant Methodist/Pietist 11 770 0.0
Truevine Baptists Association Evangelical Protestant Baptist 3 561 0.0
Old Order River Brethren Evangelical Protestant European Free-Church 7 514 0.0
Primitive Advent Christian Church Evangelical Protestant Adventist 9 427 0.0
Christ Catholic Church Evangelical Protestant Catholicism 12 235 0.0
General Six Principle Baptists Evangelical Protestant Baptist 2 172 0.0
Two-Seed-in-the-Spirit Predestinarian Baptists Evangelical Protestant Baptist 3 87 0.0
Albanian Orthodox Diocese of America Orthodox Eastern Liturgical (Orthodox) 2 --- ---
Byelorussion Council Of Orthodox Churches In North America Orthodox Eastern Liturgical (Orthodox) 4 --- ---
Church of Christ, Scientist Other Christian Science 1,862 --- ---
Conservative Baptist Association of America Evangelical Protestant Baptist 1,121 --- ---
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 515 --- ---
Independent Fundamental Churches of America Evangelical Protestant Ind. Fundamentalist 698 --- ---
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal 337 --- ---
Orthodox Church in America Orthodox Eastern Liturgical (Orthodox) 426 --- ---
Orthodox Church in America: Albanian Orthodox Archdiocese Orthodox Eastern Liturgical (Orthodox) 13 --- ---
Orthodox Church in America: Romanian Orthodox Episcopate of America Orthodox Eastern Liturgical (Orthodox) 43 --- ---
Ukrainian Orthodox Church of the USA Orthodox Eastern Liturgical (Orthodox) 23 --- ---
Totals: 255,173 137,064,509  

The population of the United States was 248,709,766 in 1990; in 1980 it was 225,002,911. The total population changed 10.5%. The adherent totals of the religious groups listed above (137,064,509) included 55.1% of the total population in 1990.

* 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.