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 22,348 47,502,152 211.1
Southern Baptist Convention Evangelical Protestant Baptist 35,552 16,281,692 72.4
United Methodist Church, The Mainline Protestant Methodist/Pietist 38,465 11,552,111 51.3
Evangelical Lutheran Church in America Mainline Protestant Lutheran 10,842 5,379,943 23.9
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 12,701 4,012,835 17.8
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 7,291 2,823,399 12.5
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 6,771 2,684,744 11.9
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 5,686 2,622,847 11.7
United Church of Christ Mainline Protestant Presbyterian-Reformed 6,405 2,096,014 9.3
American Baptist Churches in the USA Mainline Protestant Baptist 5,792 1,922,467 8.5
Assemblies of God Evangelical Protestant Pentecostal 9,447 1,612,655 7.2
Churches of Christ Evangelical Protestant Baptist 12,719 1,600,177 7.1
Christian Church (Disciples of Christ) Mainline Protestant Baptist 4,324 1,212,977 5.4
Christian Churches and Churches of Christ Evangelical Protestant Baptist 5,293 1,127,925 5.0
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 1,801 1,092,723 4.9
Church of the Nazarene Evangelical Protestant Holiness 4,892 885,749 3.9
Jewish Other Judaism 1,501 802,726 3.6
Christian Methodist Episcopal Church Black Protestant Methodist/Pietist 1,780 681,391 3.0
Seventh-day Adventist Church Evangelical Protestant Adventist 3,676 668,611 3.0
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 2,259 535,647 2.4
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 5,033 474,315 2.1
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 1,127 404,377 1.8
Reformed Church in America Mainline Protestant Presbyterian-Reformed 889 371,048 1.6
Salvation Army Evangelical Protestant Holiness 1,076 361,235 1.6
Baptist Missionary Association of America Evangelical Protestant Baptist 1,436 274,594 1.2
Conservative Baptist Association of America Evangelical Protestant Baptist 1,042 226,382 1.0
American Baptist Association, The Evangelical Protestant Baptist 1,638 224,676 1.0
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed 630 211,894 0.9
Church of the Brethren Evangelical Protestant European Free-Church 1,061 207,980 0.9
Free Methodist Church of North America Evangelical Protestant Holiness 1,021 204,576 0.9
Christian and Missionary Alliance, The Evangelical Protestant Holiness 1,258 170,643 0.8
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 832 160,074 0.7
Unitarian Universalist Association of Congregations Other Liberal 932 156,286 0.7
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 701 151,201 0.7
Friends (Quakers) Mainline Protestant European Free-Church 1,051 137,401 0.6
International Pentecostal Holiness Church Evangelical Protestant Pentecostal 1,401 122,069 0.5
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed 381 119,866 0.5
Mennonite Church Evangelical Protestant European Free-Church 1,079 118,273 0.5
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 691 113,126 0.5
Evangelical Covenant Church, The Evangelical Protestant Methodist/Pietist 545 92,765 0.4
Cumberland Presbyterian Church Evangelical Protestant Presbyterian-Reformed 793 90,691 0.4
Old Order Amish Evangelical Protestant European Free-Church 535 85,676 0.4
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 649 71,134 0.3
Christian Brethren Evangelical Protestant Ind. Fundamentalist 801 66,285 0.3
North American Baptist Conference Evangelical Protestant Baptist 254 51,726 0.2
Grace Brethren Churches, Fellowship of Mainline Protestant European Free-Church 278 49,892 0.2
Mennonite Church, The General Conference Evangelical Protestant European Free-Church 202 46,891 0.2
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal 267 46,549 0.2
Moravian Church in America--Northern Province Mainline Protestant Methodist/Pietist 116 36,961 0.2
Advent Christian Church Evangelical Protestant Adventist 358 35,448 0.2
Evangelical Congregational Church, The Evangelical Protestant Methodist/Pietist 163 34,085 0.2
Associate Reformed Presbyterian Church Evangelical Protestant Presbyterian-Reformed 159 31,984 0.1
Missionary Church, The Evangelical Protestant Holiness 277 31,493 0.1
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian-Reformed 128 27,813 0.1
Syriac Orthodox Church of Antioch Orthodox Eastern Liturgical (Orthodox) 14 23,980 0.1
Metropolitan Community Churches, Universal Fellowship of Mainline Protestant Other Groups 126 23,014 0.1
Moravian Church in America--Southern Province Mainline Protestant Methodist/Pietist 53 21,058 0.1
Evangelical Lutheran Synod Evangelical Protestant Lutheran 110 20,044 0.1
U.S. Mennonite Brethren Evangelical Protestant European Free-Church 124 19,268 0.1
Brethren In Christ Church Evangelical Protestant European Free-Church 166 18,443 0.1
Brethren Church, The (Ashland, Ohio) Evangelical Protestant European Free-Church 120 18,372 0.1
Romanian Orthodox Archdiocese in Americas Orthodox Eastern Liturgical (Orthodox) 13 15,365 0.1
Pentecostal Free Will Baptist Church, Inc. Evangelical Protestant Pentecostal 124 14,844 0.1
Association of Free Lutheran Congregations Evangelical Protestant Lutheran 131 14,462 0.1
Latvian Evangelical Lutheran Church in America Mainline Protestant Lutheran 61 13,617 0.1
Orthodox Presbyterian Church, The Evangelical Protestant Presbyterian-Reformed 146 13,601 0.1
Evangelical Church, The Evangelical Protestant Holiness 145 13,238 0.1
Primitive Methodist Church in the USA Evangelical Protestant Methodist/Pietist 83 12,151 0.1
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist 127 11,788 0.1
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran 102 10,935 0.0
Southern Methodist Church Evangelical Protestant Methodist/Pietist 155 10,818 0.0
Separate Baptists in Christ Evangelical Protestant Baptist 94 10,693 0.0
Armenian Apostolic Church of America (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) 21 10,194 0.0
Church of the Lutheran Confession Evangelical Protestant Lutheran 72 9,351 0.0
Estonian Evangelical Lutheran Church Mainline Protestant Lutheran 25 8,692 0.0
Apostolic Lutheran Church of America Evangelical Protestant Lutheran 50 7,807 0.0
Church of God in Christ, Mennonite Evangelical Protestant European Free-Church 66 7,454 0.0
Reformed Episcopal Church Evangelical Protestant Episcopalianism/Anglicanism 69 7,363 0.0
Christian Union Evangelical Protestant Other Groups 110 7,085 0.0
Congregational Holiness Church Evangelical Protestant Pentecostal 151 6,997 0.0
Church of God General Conference Evangelical Protestant Adventist 87 6,254 0.0
Seventh Day Baptist General Conference, USA and Canada Evangelical Protestant Baptist 61 6,145 0.0
Beachy Amish Mennonite Churches* Evangelical Protestant European Free-Church 78 5,905 0.0
Bethel Ministerial Association, Inc. Evangelical Protestant Pentecostal 21 5,785 0.0
Ukrainian Orthodox Church of the USA Orthodox Eastern Liturgical (Orthodox) 23 5,310 0.0
Reformed Presbyterian Church of North America Evangelical Protestant Presbyterian-Reformed 66 4,733 0.0
Fellowship of Evangelical Churches Evangelical Protestant European Free-Church 22 4,595 0.0
Protestant Reformed Churches in America Evangelical Protestant Presbyterian-Reformed 20 4,316 0.0
Church of God (Seventh Day) Evangelical Protestant Adventist 131 3,957 0.0
Berean Fundamental Church Evangelical Protestant Ind. Fundamentalist 48 3,723 0.0
Bible Church of Christ, Inc. Evangelical Protestant Pentecostal 5 3,714 0.0
Swedenborgian Church Other Spiritualist 43 3,366 0.0
Apostolic Christian Churches (Nazarene) Evangelical Protestant European Free-Church 42 2,915 0.0
Fellowship of Evangelical Bible Churches Evangelical Protestant European Free-Church 16 2,750 0.0
Christian Catholic Church Other Other Groups 6 2,560 0.0
Church of Jesus Christ, The (Bickertonites) Other Latter-day Saints 52 2,357 0.0
Social Brethren Other Other Groups 28 1,990 0.0
General Church of the New Jerusalem Other Spiritualist 18 1,939 0.0
Holiness Church of God, Inc., The Evangelical Protestant Pentecostal 23 1,413 0.0
The Protestant Conference (Lutheran) Evangelical Protestant Lutheran 9 1,400 0.0
United Zion Church Evangelical Protestant European Free-Church 13 936 0.0
Fire Baptized Holiness Church, (Wesleyan), The Evangelical Protestant Holiness 48 907 0.0
Amana Church Society Evangelical Protestant Communal 7 789 0.0
United Christian Church Evangelical Protestant Methodist/Pietist 11 788 0.0
Primitive Advent Christian Church Evangelical Protestant Adventist 10 542 0.0
Christ Catholic Church Evangelical Protestant Catholicism 13 393 0.0
Totals: 231,708 112,538,310  

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.