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California

Religious Traditions, 2010

3,502,250 249,191 880,981 10,234,036 154,331 1,744,962 20,488,205
Evangelical Protestant Black Protestant Mainline Protestant Catholic Orthodox 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 1,280 7,142,067 239.99
Jewish Other Judaism 293 918,935 30.88
Black Baptists Estimate Evangelical Protestant Baptist --- 595,070 20.00
Church of Jesus Christ of Latter-day Saints, The Other Latter-day Saints 1,323 533,741 17.93
Southern Baptist Convention Evangelical Protestant Baptist 1,114 504,516 16.95
United Methodist Church, The Mainline Protestant Methodist/Pietist 735 266,306 8.95
Assemblies of God Evangelical Protestant Pentecostal 1,123 263,059 8.84
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian-Reformed 576 258,854 8.70
Seventh-day Adventist Church Evangelical Protestant Adventist 500 206,514 6.94
Evangelical Lutheran Church in America Mainline Protestant Lutheran 477 193,389 6.50
American Baptist Churches in the USA Mainline Protestant Baptist 555 184,723 6.21
Episcopal Church Mainline Protestant Episcopalianism/Anglicanism 450 178,263 5.99
Independent, Charismatic Churches Evangelical Protestant Pentecostal 141 148,115 4.98
Lutheran Church--Missouri Synod Evangelical Protestant Lutheran 395 143,987 4.84
Independent, Non-Charismatic Churches Evangelical Protestant
----
123 142,175 4.78
Foursquare Gospel, International Church of the Evangelical Protestant Pentecostal 497 111,850 3.76
Church of the Nazarene Evangelical Protestant Holiness 397 92,273 3.10
Churches of Christ Evangelical Protestant Baptist 694 92,154 3.10
United Church of Christ Mainline Protestant Presbyterian-Reformed 254 64,855 2.18
Christian Churches and Churches of Christ Evangelical Protestant Baptist 230 63,930 2.15
Converge Worldwide/Baptist General Conference Evangelical Protestant Baptist 125 43,661 1.47
Evangelical Free Church of America, The Evangelical Protestant Methodist/Pietist 158 39,874 1.34
Christian Church (Disciples of Christ) Mainline Protestant Baptist 171 39,654 1.33
Christian and Missionary Alliance, The Evangelical Protestant Holiness 189 38,525 1.29
Reformed Church in America Mainline Protestant Presbyterian-Reformed 48 37,092 1.25
Christian Reformed Church in North America Evangelical Protestant Presbyterian-Reformed 84 22,172 0.75
Pentecostal Church of God Evangelical Protestant Pentecostal 240 21,225 0.71
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal 160 17,457 0.59
Church of God (Anderson, Indiana) Evangelical Protestant Holiness 130 16,586 0.56
Unitarian Universalist Association of Congregations Other Liberal 74 14,740 0.50
Wesleyan Church, The Evangelical Protestant Holiness 44 14,542 0.49
African Methodist Episcopal Zion Church Black Protestant Methodist/Pietist 28 14,264 0.48
Salvation Army Evangelical Protestant Holiness 96 11,047 0.37
Friends (Quakers) Mainline Protestant European Free-Church 88 10,916 0.37
North American Baptist Conference Evangelical Protestant Baptist 25 10,053 0.34
International Pentecostal Holiness Church Evangelical Protestant Pentecostal 90 10,030 0.34
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran 44 9,812 0.33
National Association of Congregational Christian Churches Mainline Protestant Presbyterian-Reformed 39 9,742 0.33
Syriac Orthodox Church of Antioch Orthodox Eastern Liturgical (Orthodox) 4 9,400 0.32
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian-Reformed 13 9,253 0.31
U.S. Mennonite Brethren Evangelical Protestant European Free-Church 46 9,186 0.31
Free Methodist Church of North America Evangelical Protestant Holiness 88 7,976 0.27
National Association of Free Will Baptists Evangelical Protestant Baptist 70 7,276 0.24
Missionary Church, The Evangelical Protestant Holiness 36 6,989 0.23
Christian Brethren Evangelical Protestant Ind. Fundamentalist 59 6,107 0.21
Church of the Brethren Evangelical Protestant European Free-Church 36 5,435 0.18
Apostolic Catholic Assyrian Church of the East, North American Dioceses Orthodox Eastern Liturgical (Orthodox) 7 5,208 0.17
Church of God of Prophecy Evangelical Protestant Pentecostal 113 5,119 0.17
Presbyterian Church in America Evangelical Protestant Presbyterian-Reformed 51 4,534 0.15
Mennonite Church USA Evangelical Protestant European Free-Church 31 2,508 0.08
Brethren In Christ Church Evangelical Protestant European Free-Church 14 2,066 0.07
Baptist Missionary Association of America Evangelical Protestant Baptist 18 1,584 0.05
Congregational Christian Churches, Additional (not part of any national CCC body) Mainline Protestant Presbyterian-Reformed 4 1,539 0.05
Church of God (Seventh Day) Evangelical Protestant Adventist 22 1,520 0.05
Church of God in Christ, Mennonite Evangelical Protestant European Free-Church 3 1,215 0.04
American Association of Lutheran Churches Evangelical Protestant Lutheran 9 1,173 0.04
Cumberland Presbyterian Church Evangelical Protestant Presbyterian-Reformed 7 1,158 0.04
Latvian Evangelical Lutheran Church in America Mainline Protestant Lutheran 4 1,021 0.03
Advent Christian Church Evangelical Protestant Adventist 12 968 0.03
Evangelical Methodist Church Evangelical Protestant Methodist/Pietist 9 734 0.02
Reformed Church in the United States Evangelical Protestant Presbyterian-Reformed 7 665 0.02
Berean Fundamental Church Evangelical Protestant Ind. Fundamentalist 4 660 0.02
Moravian Church in America--Northern Province Mainline Protestant Methodist/Pietist 4 647 0.02
Association of Free Lutheran Congregations Evangelical Protestant Lutheran 4 630 0.02
Evangelical Lutheran Synod Evangelical Protestant Lutheran 9 550 0.02
Estonian Evangelical Lutheran Church Mainline Protestant Lutheran 2 523 0.02
Apostolic Christian Churches (Nazarene) Evangelical Protestant European Free-Church 8 498 0.02
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran 3 429 0.01
Brethren Church, The (Ashland, Ohio) Evangelical Protestant European Free-Church 5 386 0.01
Primitive Baptists Associations Evangelical Protestant Baptist 9 339 0.01
Churches of God, General Conference Evangelical Protestant Presbyterian-Reformed 10 337 0.01
Evangelical Presbyterian Church Evangelical Protestant Presbyterian-Reformed 6 315 0.01
Seventh Day Baptist General Conference, USA and Canada Evangelical Protestant Baptist 6 251 0.01
Church of the United Brethren in Christ Evangelical Protestant Methodist/Pietist 5 200 0.01
Church of the Lutheran Confession Evangelical Protestant Lutheran 2 196 0.01
Apostolic Christian Church of America, Inc. Evangelical Protestant European Free-Church 3 125 0.00
Reformed Episcopal Church Evangelical Protestant Episcopalianism/Anglicanism 3 95 0.00
Apostolic Lutheran Church of America Evangelical Protestant Lutheran 2 89 0.00
Church of God General Conference Evangelical Protestant Adventist 2 87 0.00
The Protestant Conference (Lutheran) Evangelical Protestant Lutheran 1 75 0.00
Fire Baptized Holiness Church, (Wesleyan), The Evangelical Protestant Holiness 5 51 0.00
Allegheny Wesleyan Methodist Connection Evangelical Protestant Methodist/Pietist 1 27 0.00
Netherlands Reformed Congregations Evangelical Protestant Presbyterian-Reformed 1 27 0.00
Church of Christ, Scientist Other Christian Science 295 --- ---
Conservative Baptist Association of America Evangelical Protestant Baptist 176 --- ---
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) 40 --- ---
Independent Fundamental Churches of America Evangelical Protestant Ind. Fundamentalist 93 --- ---
Open Bible Standard Churches, Inc. Evangelical Protestant Pentecostal 40 --- ---
Orthodox Church in America Orthodox Eastern Liturgical (Orthodox) 28 --- ---
Orthodox Church in America: Romanian Orthodox Episcopate of America Orthodox Eastern Liturgical (Orthodox) 7 --- ---
Totals: 14,427 12,585,339  

The population of California was 29,760,021 in 1990; in 1980 it was 23,667,902. The total population changed 25.7%. The adherent totals of the religious groups listed above (12,585,339) included 42.3% 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.


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