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	1,280	7,142,067	240.0
Jewish Estimate	Other Theology	293	918,935	30.9
Black Baptists Estimate	Evangelical Protestant	n.a.	595,070	20.0
Church of Jesus Christ of Latter-day Saints, The	Other Theology	1,323	533,741	17.9
Southern Baptist Convention	Evangelical Protestant	1,114	504,516	17.0
United Methodist Church, The	Mainline Protestant	735	266,306	9.0
Assemblies of God	Evangelical Protestant	1,123	263,059	8.8
Presbyterian Church (U.S.A.)	Mainline Protestant	576	258,854	8.7
Seventh-day Adventist Church	Evangelical Protestant	500	206,514	6.9
Evangelical Lutheran Church in America	Mainline Protestant	477	193,389	6.5
American Baptist Churches in the USA	Mainline Protestant	555	184,723	6.2
Episcopal Church	Mainline Protestant	450	178,263	6.0
Independent, Charismatic Churches	Evangelical Protestant	141	148,115	5.0
Lutheran Church--Missouri Synod	Evangelical Protestant	395	143,987	4.8
Independent, Non-Charismatic Churches	Evangelical Protestant	123	142,175	4.8
International Church of the Foursquare Gospel	Evangelical Protestant	497	111,850	3.8
Church of the Nazarene	Evangelical Protestant	397	92,273	3.1
Churches of Christ	Evangelical Protestant	694	92,154	3.1
United Church of Christ	Mainline Protestant	254	64,855	2.2
Christian Churches and Churches of Christ	Evangelical Protestant	230	63,930	2.2
Baptist General Conference	Evangelical Protestant	125	43,661	1.5
Evangelical Free Church of America, The	Evangelical Protestant	158	39,874	1.3
Christian Church (Disciples of Christ)	Mainline Protestant	171	39,654	1.3
Christian and Missionary Alliance, The	Evangelical Protestant	189	38,525	1.3
Reformed Church in America	Mainline Protestant	48	37,092	1.3
Christian Reformed Church in North America	Evangelical Protestant	84	22,172	0.8
Pentecostal Church of God	Evangelical Protestant	240	21,225	0.7
Church of God (Cleveland, Tennessee)	Evangelical Protestant	160	17,457	0.6
Church of God (Anderson, Indiana)	Evangelical Protestant	130	16,586	0.6
Unitarian Universalist Association of Congregations	Other Theology	74	14,740	0.5
Wesleyan Church, The	Evangelical Protestant	44	14,542	0.5
African Methodist Episcopal Zion Church	Evangelical Protestant	28	14,264	0.5
Salvation Army, The	Evangelical Protestant	96	11,047	0.4
Friends (Quakers)	Mainline Protestant	88	10,916	0.4
North American Baptist Conference	Evangelical Protestant	25	10,053	0.3
International Pentecostal Holiness Church	Evangelical Protestant	90	10,030	0.3
Wisconsin Evangelical Lutheran Synod	Evangelical Protestant	44	9,812	0.3
National Association of Congregational Christian Churches	Mainline Protestant	39	9,742	0.3
Syrian Orthodox Church of Antioch	Orthodox	4	9,400	0.3
Conservative Congregational Christian Conference	Evangelical Protestant	13	9,253	0.3
Mennonite Brethren Churches, U.S. Conference of	Evangelical Protestant	46	9,186	0.3
Free Methodist Church of North America	Evangelical Protestant	88	7,976	0.3
National Association of Free Will Baptists	Evangelical Protestant	70	7,276	0.2
Missionary Church, The	Evangelical Protestant	36	6,989	0.2
Christian Brethren	Evangelical Protestant	59	6,107	0.2
Church of the Brethren	Evangelical Protestant	36	5,435	0.2
Apostolic Catholic Assyrian Church of the East, North American Dioceses	Orthodox	7	5,208	0.2
Church of God of Prophecy	Evangelical Protestant	113	5,119	0.2
Presbyterian Church in America	Evangelical Protestant	51	4,534	0.2
Mennonite Church USA	Evangelical Protestant	31	2,508	0.1
Brethren In Christ Church	Evangelical Protestant	14	2,066	0.1
Baptist Missionary Association of America	Evangelical Protestant	18	1,584	0.1
Congregational Christian Churches, Additional (not part of any national CCC body)	Mainline Protestant	4	1,539	0.1
Church of God (Seventh Day)	Evangelical Protestant	22	1,520	0.1
Church of God in Christ, Mennonite	Evangelical Protestant	3	1,215	0.0
American Association of Lutheran Churches	Evangelical Protestant	9	1,173	0.0
Cumberland Presbyterian Church	Evangelical Protestant	7	1,158	0.0
Latvian Evangelical Lutheran Church in America	Mainline Protestant	4	1,021	0.0
Advent Christian Church	Evangelical Protestant	12	968	0.0
Evangelical Methodist Church	Evangelical Protestant	9	734	0.0
Reformed Church in the United States	Evangelical Protestant	7	665	0.0
Berean Fundamental Church	Evangelical Protestant	4	660	0.0
Moravian Church in America--Northern Province	Mainline Protestant	4	647	0.0
Association of Free Lutheran Congregations, The	Evangelical Protestant	4	630	0.0
Evangelical Lutheran Synod	Evangelical Protestant	9	550	0.0
Estonian Evangelical Lutheran Church	Mainline Protestant	2	523	0.0
Apostolic Christian Churches (Nazarean)	Evangelical Protestant	8	498	0.0
Church of the Lutheran Brethren of America	Evangelical Protestant	3	429	0.0
Brethren Church, The (Ashland, Ohio)	Evangelical Protestant	5	386	0.0
Primitive Baptists Associations	Evangelical Protestant	9	339	0.0
Churches of God, General Conference	Evangelical Protestant	10	337	0.0
Evangelical Presbyterian Church	Evangelical Protestant	6	315	0.0
Seventh Day Baptist General Conference, USA and Canada	Evangelical Protestant	6	251	0.0
Church of the United Brethren in Christ	Evangelical Protestant	5	200	0.0
Church of the Lutheran Confession	Evangelical Protestant	2	196	0.0
Apostolic Christian Church of America, Inc.	Evangelical Protestant	3	125	0.0
Reformed Episcopal Church	Evangelical Protestant	3	95	0.0
Apostolic Lutheran Church of America	Evangelical Protestant	2	89	0.0
Church of God General Conference	Evangelical Protestant	2	87	0.0
The Protestant Conference (Lutheran)	Evangelical Protestant	1	75	0.0
Fire Baptized Holiness Church, (Wesleyan), The	Evangelical Protestant	5	51	0.0
Netherlands Reformed Congregations	Evangelical Protestant	1	27	0.0
Allegheny Wesleyan Methodist Connection	Evangelical Protestant	1	27	0.0
Church of Christ, Scientist	Other Theology	295	n.a.	n.a.
Orthodox Church in America: Romanian Orthodox Episcopate of America	Orthodox	7	n.a.	n.a.
Orthodox Church in America: Territorial Dioceses	Orthodox	28	n.a.	n.a.
Open Bible Standard Churches, Inc.	Evangelical Protestant	40	n.a.	n.a.
Conservative Baptist Association of America	Evangelical Protestant	176	n.a.	n.a.
Greek Orthodox Archdiocese of America	Orthodox	40	n.a.	n.a.
Independent Fundamental Churches of America	Evangelical Protestant	93	n.a.	n.a.
	*Totals (Unadjusted)^:**	14,427	12,585,339

The population of these counties (or equivalents) in 1990 was 29,760,021. The adherent totals of the religious groups listed above (12,585,339) include 42.3% of the total population in 1990.

Source

The 1990 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 132 religious groups, including number of churches and adherents. Martin B. Bradley, Norman M. Green, Jr., Dale E. Jones, Mac Lynn, and Lou McNeil supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1990, published by the Glenmary Research Center.

[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 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.