State Membership Report
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California

Denominational Groups, 2000

2,450,003 1,118,209 142,752 10,079,310 1,823,359 18,258,015
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 Adherence Rate
Catholic Church Catholic 1,315 10,079,310 297.6
Jewish Estimate Other Theology 425 994,000 29.4
Church of Jesus Christ of Latter-day Saints, The Other Theology 1,316 529,575 15.6
Southern Baptist Convention Evangelical Protestant 1,392 471,119 13.9
Assemblies of God Evangelical Protestant 1,222 310,522 9.2
Muslim Estimate Other Theology 163 259,762 7.7
Presbyterian Church (U.S.A.) Mainline Protestant 584 229,918 6.8
United Methodist Church, The Mainline Protestant 710 228,844 6.8
Independent, Charismatic Churches Evangelical Protestant 68 195,425 5.8
Seventh-day Adventist Church Evangelical Protestant 516 187,058 5.5
Evangelical Lutheran Church in America Mainline Protestant 464 171,110 5.1
American Baptist Churches in the USA Mainline Protestant 556 170,932 5.1
Episcopal Church Mainline Protestant 449 168,895 5.0
Independent, Non-Charismatic Churches Evangelical Protestant 112 134,355 4.0
Lutheran Church--Missouri Synod Evangelical Protestant 401 130,336 3.9
International Church of the Foursquare Gospel Evangelical Protestant 578 116,039 3.4
Church of the Nazarene Evangelical Protestant 411 89,522 2.6
Christian Churches and Churches of Christ Evangelical Protestant 226 84,169 2.5
Churches of Christ Evangelical Protestant 707 83,392 2.5
Baptist General Conference Evangelical Protestant 155 69,649 2.1
Conservative Baptist Association of America Evangelical Protestant 215 55,435 1.6
Evangelical Free Church of America, The Evangelical Protestant 175 54,227 1.6
United Church of Christ Mainline Protestant 244 50,493 1.5
Salvation Army, The Evangelical Protestant 135 49,330 1.5
Christian and Missionary Alliance, The Evangelical Protestant 201 44,068 1.3
Reformed Church in America Mainline Protestant 44 36,358 1.1
Greek Orthodox Archdiocese of America Orthodox 41 35,010 1.0
Christian Church (Disciples of Christ) Mainline Protestant 160 34,750 1.0
Evangelical Covenant Church, The Evangelical Protestant 95 33,994 1.0
Vineyard USA Evangelical Protestant 107 29,388 0.9
Armenian Apostolic Church / Catholicossate of Cilicia Orthodox 8 29,200 0.9
Pentecostal Church of God Evangelical Protestant 246 25,574 0.8
Bahá'í Other Theology 259 24,849 0.7
Armenian Apostolic Church / Catholicossate of Etchmiadzin Orthodox 18 24,055 0.7
Wesleyan Church, The Evangelical Protestant 67 23,858 0.7
Church of God (Cleveland, Tennessee) Evangelical Protestant 193 23,558 0.7
Christian Reformed Church in North America Evangelical Protestant 107 23,359 0.7
International Churches of Christ Evangelical Protestant 5 20,167 0.6
New Testament Association of Independent Baptist Churches and other Fundamental Baptist Associations/Fellowships Evangelical Protestant 96 18,720 0.6
Church of God (Anderson, Indiana) Evangelical Protestant 141 18,215 0.5
North American Baptist Conference Evangelical Protestant 45 16,772 0.5
Unitarian Universalist Association of Congregations Other Theology 73 15,173 0.5
General Association of Regular Baptist Churches Evangelical Protestant 102 15,130 0.5
International Pentecostal Holiness Church Evangelical Protestant 111 12,517 0.4
Free Methodist Church of North America Evangelical Protestant 94 11,749 0.4
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant 62 11,698 0.4
American Baptist Association, The Evangelical Protestant 131 11,612 0.3
Antiochian Orthodox Christian Archdiocese of North America, The Orthodox 28 11,564 0.3
Presbyterian Church in America Evangelical Protestant 76 9,955 0.3
Missionary Church, The Evangelical Protestant 26 9,327 0.3
Friends (Quakers) Mainline Protestant 75 9,061 0.3
National Association of Congregational Christian Churches Mainline Protestant 33 8,965 0.3
Wisconsin Evangelical Lutheran Synod Evangelical Protestant 46 8,950 0.3
Conservative Congregational Christian Conference Evangelical Protestant 12 8,555 0.3
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox 8 7,884 0.2
Syrian Orthodox Church of Antioch Orthodox 6 7,500 0.2
Serbian Orthodox Church in the USA Orthodox 11 7,265 0.2
Church of God of Prophecy Evangelical Protestant 124 6,672 0.2
Community of Christ Evangelical Protestant 55 6,137 0.2
Orthodox Church in America: Territorial Dioceses Orthodox 25 6,075 0.2
International Council of Community Churches Mainline Protestant 24 5,572 0.2
Orthodox Church in America: Bulgarian Diocese Orthodox 8 4,375 0.1
Greek Orthodox Archdiocese of Vasiloupulis Orthodox 10 4,323 0.1
Church of the Brethren Evangelical Protestant 29 3,983 0.1
National Association of Free Will Baptists Evangelical Protestant 62 3,891 0.1
Orthodox Presbyterian Church, The Evangelical Protestant 41 3,756 0.1
Orthodox Church in America: Romanian Orthodox Episcopate of America Orthodox 7 2,813 0.1
Universal Fellowship of Metropolitan Community Churches Mainline Protestant 25 2,799 0.1
Mennonite Church USA Evangelical Protestant 36 2,607 0.1
United Reformed Churches in North America Evangelical Protestant 11 2,474 0.1
Brethren In Christ Church Evangelical Protestant 18 1,834 0.1
Baptist Missionary Association of America Evangelical Protestant 15 1,697 0.1
Evangelical Presbyterian Church Evangelical Protestant 7 1,557 0.1
Ukrainian Orthodox Church of the USA Orthodox 4 1,308 0.0
Cumberland Presbyterian Church Evangelical Protestant 5 1,153 0.0
National Primitive Baptist Convention, USA Evangelical Protestant 4 1,104 0.0
Church of God in Christ, Mennonite Evangelical Protestant 3 1,075 0.0
Reformed Church in the United States Evangelical Protestant 10 931 0.0
Landmark Missionary Baptists, Independent Associations and Unaffiliated Churches Evangelical Protestant 12 614 0.0
Macedonian Orthodox Church: American Diocese Orthodox 1 600 0.0
Apostolic Christian Churches (Nazarene) Evangelical Protestant 10 564 0.0
Association of Free Lutheran Congregations, The Evangelical Protestant 5 560 0.0
Churches of God, General Conference Evangelical Protestant 8 555 0.0
Malankara Orthodox Syrian Church, American Diocese of the Orthodox 2 525 0.0
Associate Reformed Presbyterian Church Evangelical Protestant 9 405 0.0
Moravian Church in America--Northern Province Mainline Protestant 2 345 0.0
Protestant Reformed Churches in America Evangelical Protestant 1 245 0.0
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant 1 167 0.0
Holy Orthodox Church in North America Orthodox 2 165 0.0
Apostolic Christian Church of America, Inc. Evangelical Protestant 2 132 0.0
Brethren Church, The (Ashland, Ohio) Evangelical Protestant 4 123 0.0
Malankara Archdiocese of the Syrian Orthodox Church in North America Orthodox 1 90 0.0
Mennonite; Other Groups Evangelical Protestant 3 80 0.0
Church of God General Conference Evangelical Protestant 2 67 0.0
Allegheny Wesleyan Methodist Connection Evangelical Protestant 1 28 0.0
Netherlands Reformed Congregations Evangelical Protestant 1 15 0.0
Tao Other Theology 19 n.a. n.a.
Sikh Other Theology 58 n.a. n.a.
Southwide Baptist Fellowship Evangelical Protestant 5 n.a. n.a.
Buddhism Other Theology 489 n.a. n.a.
Calvary Chapel Fellowship Churches Evangelical Protestant 252 n.a. n.a.
Primitive Baptist Churches--Old Line Evangelical Protestant 25 n.a. n.a.
Jain Other Theology 7 n.a. n.a.
Zoroastrian Other Theology 11 n.a. n.a.
Russian Orthodox Church Outside of Russia Orthodox 22 n.a. n.a.
Patriarchal Parishes of the Russian Orthodox Church in the USA Orthodox 2 n.a. n.a.
Reformed Baptist Churches Evangelical Protestant 18 n.a. n.a.
Hindu Other Theology 131 n.a. n.a.
Serbian Orthodox Church in the USA (New Gracanica Metropolitanate) Orthodox 5 n.a. n.a.
Coptic Orthodox Church Orthodox 20 n.a. n.a.
Totals (Unadjusted)*: 16,920 15,613,633  
Total (Adjusted)**:   18,343,078  
The population of these 58 counties (or equivalents) in 1990 was 29,760,021; in 2000 it was 33,871,648. The total population changed 13.8%. The unadjusted adherent totals of the religious groups listed above (15,613,633) include 46.1% of the total population in 2000. The adjusted total adherents (18,343,078) include 54.2% of the population.

Source

*The “Unadjusted Totals” come from the 1990 and 2000 data collected by representatives of the Association of Statisticians of American Religious Bodies (ASARB). While quite comprehensive, this data excludes most of the historically African-American denominations and some other major groups. As a result, these numbers will be an underestimate of the total adherence rate, particularly in areas with a large African-American population. The 2000 data included 149 religious groups and the final results are published in Religious Congregations and Membership in the United States 2000. Copyright © 2002, All rights reserved. The 1990 data included 132 groups and the final results are published in Churches and Church Membership in the United States 1990 Copyright © 1990, All rights reserved. Published by Glenmary Research Center, 1312 Fifth Ave., North, Nashville, TN 37208. www.glenmary.org [More information on the data collection]

**The “Adjusted Totals” include all adherents in the denominations counted by the Association of Statisticians of American Religious Bodies (ASARB) and estimates adherent totals for the historically African-American denominations and other religious groups not listed in the ASARB totals. An article by Roger Finke and Christopher P. Scheitle (2005) reviews how these estimates were computed.

The adherence rate provides the number of adherents of a particular group per 1,000 population. For example, in 2000 the Episcopal Church had an adherence rate of approximately 8 (8.1) in Autauga County, Alabama. This means that 8 out of every 1,000 people in Autauga County are Episcopalian.

[More information on the data source]