U.S. Membership Report

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United States

Denominational Groups, 2000

39,994,852 26,091,321 989,106 62,035,042 12,254,099 140,057,419
Evangelical Protestant Mainline Protestant Orthodox Catholic Other Unclaimed

Congregational "adherents" include all full members, their children, and others who regularly attend services. The historically African American denominations are not included in the 2000 congregation and membership totals. Many are also missing in 1990 and most historically African American denominations are missing in the 1980 reports.
[More information on the data sources]

Reports


Religious Bodies Theology Congregations Adherents % Change
Albanian Orthodox Diocese of America Orthodox +2 +395 n.a.
Allegheny Wesleyan Methodist Connection Evangelical Protestant +115 +1,864 n.a.
American Baptist Association, The Evangelical Protestant +328 +65,210 30.0%
American Baptist Churches in the USA Mainline Protestant -187 -143,262 -8.0%
American Carpatho-Russian Orthodox Greek Catholic Church Orthodox +75 +20,000 n.a.
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox +18 +35,118 n.a.
Apostolic Christian Church of America, Inc. Evangelical Protestant +84 +23,980 n.a.
Apostolic Christian Churches (Nazarean) Evangelical Protestant +9 +1,514 53.0%
Armenian Apostolic Church / Catholicossate of Cilicia Orthodox +17 +36,160 355.0%
Assemblies of God Evangelical Protestant +2,498 +955,497 60.0%
Associate Reformed Presbyterian Church Evangelical Protestant +85 +8,543 27.0%
Association of Free Lutheran Congregations, The Evangelical Protestant +108 +17,833 125.0%
Baptist General Conference Evangelical Protestant +197 +90,644 61.0%
Baptist Missionary Association of America Evangelical Protestant -72 +24,713 9.0%
Beachy Amish Mennonite Churches Evangelical Protestant +29 +3,594 62.0%
Brethren Church, The (Ashland, Ohio) Evangelical Protestant +1 -2,024 -11.0%
Brethren In Christ Church Evangelical Protestant +58 +7,866 45.0%
Catholic Church Catholic -486 +14,961,759 32.0%
Christian and Missionary Alliance, The Evangelical Protestant +665 +163,145 97.0%
Christian Church (Disciples of Christ) Mainline Protestant -906 -185,930 -15.0%
Christian Churches and Churches of Christ Evangelical Protestant +282 +320,233 29.0%
Christian Reformed Church in North America Evangelical Protestant +128 +39,100 19.0%
Christian Union Evangelical Protestant +7 +347 5.0%
Church of God (Anderson, Indiana) Evangelical Protestant +116 -286,307 -54.0%
Church of God (Cleveland, Tennessee) Evangelical Protestant +761 +506,027 108.0%
Church of God General Conference Evangelical Protestant +15 -857 -15.0%
Church of God in Christ, Mennonite Evangelical Protestant +38 +7,906 106.0%
Church of God of Prophecy Evangelical Protestant +1,858 +91,106 n.a.
Church of Jesus Christ of Latter-day Saints, The Other Theology +4,882 +1,557,003 58.0%
Church of the Brethren Evangelical Protestant +42 -35,079 -17.0%
Church of the Nazarene Evangelical Protestant +405 +27,030 3.0%
Churches of Christ Evangelical Protestant +394 +51,209 3.0%
Churches of God, General Conference Evangelical Protestant +336 +42,204 n.a.
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant +104 +17,821 n.a.
Conservative Baptist Association of America Evangelical Protestant +208 +3,681 2.0%
Conservative Congregational Christian Conference Evangelical Protestant +140 +24,904 96.0%
Cumberland Presbyterian Church Evangelical Protestant -49 -10,388 -12.0%
Duck River and Kindred Baptists Associations Evangelical Protestant +99 +12,542 n.a.
Eastern Pennsylvania Mennonite Church Evangelical Protestant +49 +4,384 n.a.
Enterprise Baptists Association Evangelical Protestant +65 +5,289 n.a.
Episcopal Church Mainline Protestant +105 -486,972 -17.0%
Evangelical Covenant Church, The Evangelical Protestant +161 +63,841 72.0%
Evangelical Free Church of America, The Evangelical Protestant +728 +215,109 305.0%
Evangelical Lutheran Church in America Mainline Protestant -52 -252,733 -5.0%
Evangelical Mennonite Church Evangelical Protestant +13 +2,061 45.0%
Evangelical Presbyterian Church Evangelical Protestant +179 +80,207 n.a.
Fellowship of Evangelical Bible Churches Evangelical Protestant +2 -899 -33.0%
Free Methodist Church of North America Evangelical Protestant -3 -103,053 -52.0%
Friends (Quakers) Mainline Protestant +311 -17,772 -14.0%
Fundamental Methodist Conference, Inc. Evangelical Protestant +13 +1,009 n.a.
General Six Principle Baptists Evangelical Protestant +1 +25 n.a.
Greek Orthodox Archdiocese of America Orthodox +518 +427,659 n.a.
Hutterian Brethren Evangelical Protestant +123 +12,300 n.a.
Independent, Charismatic Churches Evangelical Protestant +621 +935,168 n.a.
Independent, Non-Charismatic Churches Evangelical Protestant +1,084 +1,116,769 n.a.
International Church of the Foursquare Gospel Evangelical Protestant +1,045 +188,668 119.0%
International Pentecostal Church of Christ Evangelical Protestant +67 +5,453 n.a.
International Pentecostal Holiness Church Evangelical Protestant +518 +123,329 104.0%
Interstate & Foreign Landmark Missionary Baptists Association Evangelical Protestant +121 +16,127 n.a.
Jasper Baptist and Pleasant Valley Baptist Associations Evangelical Protestant +31 +7,078 n.a.
Jewish Estimate Other Theology +2,246 +5,357,222 683.0%
Lutheran Church--Missouri Synod Evangelical Protestant +424 -96,798 -4.0%
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant +68 +11,863 73.0%
Midwest Congregational Christian Fellowship Evangelical Protestant +29 +1,705 n.a.
Missionary Church, The Evangelical Protestant +26 +18,612 60.0%
Moravian Church in America--Alaska Province Mainline Protestant +24 +2,562 n.a.
Moravian Church in America--Northern Province Mainline Protestant -1 -6,626 -20.0%
Moravian Church in America--Southern Province Mainline Protestant +7 -1,188 -6.0%
National Association of Congregational Christian Churches Mainline Protestant +77 -28,677 -25.0%
National Association of Free Will Baptists Evangelical Protestant +2,466 +254,170 n.a.
Netherlands Reformed Congregations Evangelical Protestant +15 +4,442 n.a.
New Hope Baptist Association Evangelical Protestant +20 +2,772 n.a.
North American Baptist Conference Evangelical Protestant +47 +8,454 16.0%
Old Missionary Baptists Associations Evangelical Protestant +302 +49,870 n.a.
Old Order Amish Church Evangelical Protestant +765 +12,878 15.0%
Old Order River Brethren Evangelical Protestant +5 +540 n.a.
Orthodox Church in America: Albanian Orthodox Archdiocese Orthodox +12 +5,775 n.a.
Orthodox Church in America: Romanian Orthodox Episcopate of America Orthodox +56 +17,201 n.a.
Orthodox Church in America: Territorial Dioceses Orthodox +370 +77,110 n.a.
Orthodox Presbyterian Church, The Evangelical Protestant +154 +13,920 112.0%
Pentecostal Church of God Evangelical Protestant +1,173 +101,921 n.a.
Presbyterian Church (U.S.A.) Mainline Protestant -1,509 -855,006 -21.0%
Presbyterian Church in America Evangelical Protestant +772 +207,073 191.0%
Primitive Methodist Church in the USA Evangelical Protestant -1 -7,144 -60.0%
Protestant Reformed Churches in America Evangelical Protestant +9 +1,731 42.0%
Reformed Church in America Mainline Protestant +17 -33,152 -9.0%
Reformed Church in the United States Evangelical Protestant +38 +4,236 n.a.
Salvation Army, The Evangelical Protestant +274 +59,049 17.0%
Separate Baptists in Christ Evangelical Protestant +10 +870 9.0%
Seventh-day Adventist Church Evangelical Protestant +935 +268,830 41.0%
Southern Baptist Convention Evangelical Protestant +6,061 +3,668,418 23.0%
Syrian Orthodox Church of Antioch Orthodox +10 -10,013 -42.0%
Two-Seed-in-the-Spirit Predestinarian Baptists Evangelical Protestant +4 +65 n.a.
Ukrainian Orthodox Church of the USA Orthodox +83 +30,506 600.0%
Unitarian Universalist Association of Congregations Other Theology +114 +28,612 19.0%
United Church of Christ Mainline Protestant -465 -384,164 -18.0%
United Methodist Church, The Mainline Protestant -2,688 -1,172,612 -10.0%
Universal Fellowship of Metropolitan Community Churches Mainline Protestant +111 +4,961 27.0%
Wayne Trail Missionary Baptist Association Evangelical Protestant +13 +2,756 n.a.
Wesleyan Church, The Evangelical Protestant +1,657 +381,459 n.a.
Wisconsin Evangelical Lutheran Synod Evangelical Protestant +168 +1,464 0.0%
  Totals: +32,002 +28,803,815 +26.3%

The population of the United States in 1980 was 225,011,986; in 2000 it was 281,421,839. The total population changed 13.2%. The adherent totals for 1980 (110,718,180) represent 49.2% of the 1980 population. The adherent totals for 2000 (141,364,420) include 50.2% of the 2000 population. There is sufficient data for 101 groups to calculate 1980-2000 change. These 101 groups had 109,362,507 adherents in 1980 and 138,166,322 adherents in 2000, for a change of 26.3%

Sources

The 2000 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and includes statistics for 149 religious groups, including number of churches and adherents. Dale E. Jones, Sherri Doty, Clifford Grammich, James E. Horsch, Richard Houseal, Mac Lynn, John P. Marcum, Kenneth M. Sanchagrin and Richard H. Taylor supervised the collection. These data originally appeared in Religious Congregations & Membership in the United States, 2000, published by the Glenmary Research Center.

The 1980 data were collected by the Glenmary Research Center and include statistics for 111 Judeo-Christian church bodies, including number of churches and adherents. Bernard Quinn, Herman Anderson, Martin Bradley, Paul Goetting and Peggy Shriver supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1980, published by the Glenmary Research Center.

[More information on these data sources]