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Orange County, California - County Membership Report (2020)

Exact definitions of "congregations" and "adherents" vary by religious body. Congregations may be parishes, churches, synagogues, mosques, temples, or another site where a religious body has regularly scheduled worship services. Adherents generally are members, children who are not members, and others who are not members but are considered participants in the congregation.

[More information on the data sources]

Religious Bodies Tradition Family Congregations Adherents Adherence Rate
Catholic Church Catholic Catholic Liturgical Family 54 952,343 298.82
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 156 151,704 47.60
Southern Baptist Convention Evangelical Protestant Baptist Family 162 82,848 26.00
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 116 73,196 22.97
Muslim Estimate Islam Islam Family 20 36,165 11.35
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 83 31,910 10.01
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 116 30,604 9.60
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 13 19,110 6.00
Buddhism, Mahayana Buddhism Buddhism Family 17 14,483 4.54
Coptic Orthodox Church Orthodox Eastern Liturgical (Orthodox) Family 10 14,190 4.45
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 28 13,658 4.29
Christian and Missionary Alliance Evangelical Protestant Holiness Family 16 11,683 3.67
Seventh-day Adventist Church Evangelical Protestant Adventist Family 23 10,362 3.25
United Methodist Church Mainline Protestant Methodist Family 39 9,522 2.99
Presbyterian Church in America Evangelical Protestant Presbyterian/Reformed Family 18 9,322 2.93
Episcopal Church Mainline Protestant Anglican/Episcopal Family 21 9,180 2.88
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 33 9,072 2.85
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 32 7,990 2.51
Hindu Yoga and Meditation Hinduism 17 7,919 2.48
Reform Judaism Judaism Judaism Family 7 7,406 2.32
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 13 7,323 2.30
International Church of the Foursquare Gospel Evangelical Protestant Pentecostal Family 38 7,142 2.24
Lutheran Congregations in Mission for Christ Evangelical Protestant Lutheran Family 8 5,020 1.58
Hindu, Traditional Temples Hinduism Hinduism Family 3 4,100 1.29
Association of Vineyard Churches Evangelical Protestant Pentecostal Family 10 3,824 1.20
Evangelical Friends Church International Evangelical Protestant Friends/Brethren Family 14 3,250 1.02
Churches of Christ Evangelical Protestant Restorationists Family 29 3,233 1.01
Baha'i Faith Other Other Groups Family 22 3,117 0.98
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) Family 3 3,000 0.94
Church of the Nazarene Evangelical Protestant Holiness Family 34 2,861 0.90
National Baptist Convention, USA, Inc. Black Protestant Baptist Family 1 2,200 0.69
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 16 1,939 0.61
Reformed Church in America Mainline Protestant Presbyterian/Reformed Family 4 1,795 0.56
Christian Reformed Church in North America Evangelical Protestant Presbyterian/Reformed Family 24 1,530 0.48
Conservative Judaism Judaism Judaism Family 4 1,509 0.47
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 15 1,486 0.47
Antiochian Orthodox Christian Archdiocese of North America Orthodox Eastern Liturgical (Orthodox) Family 4 1,436 0.45
Free Methodist Church – USA Evangelical Protestant Holiness Family 7 1,404 0.44
Armenian Apostolic Church (Catholicosate of Cilicia) Orthodox Eastern Liturgical (Orthodox) Family 1 1,400 0.44
Reconstructionist Judaism Judaism Judaism Family 1 1,396 0.44
Orthodox Judaism Judaism Judaism Family 2 1,350 0.42
Salvation Army Evangelical Protestant Holiness Family 4 1,324 0.42
Armenian Apostolic Church (Catholicosate of Etchmiadzin) Orthodox Eastern Liturgical (Orthodox) Family 1 1,200 0.38
Buddhism, Theravada Buddhism Buddhism Family 3 1,124 0.35
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 13 1,121 0.35
Buddhism, Vajrayana Buddhism Buddhism Family 4 1,080 0.34
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 5 874 0.27
Unitarian Universalist Association Other Christians Liberal Family 5 729 0.23
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 4 621 0.19
Wesleyan Church Evangelical Protestant Holiness Family 6 616 0.19
Evangelical Covenant Church Evangelical Protestant Methodist Family 3 534 0.17
National Missionary Baptist Convention of America Black Protestant Baptist Family 4 510 0.16
Church of God in Christ Black Protestant Pentecostal Family 1 500 0.16
Syrian (Syriac) Orthodox Church of Antioch Orthodox Eastern Liturgical (Orthodox) Family 1 500 0.16
Ecumenical Catholic Communion Other Christians 3 465 0.15
Full Gospel Christian Assemblies International Evangelical Protestant Pentecostal Family 2 440 0.14
Full Gospel Baptist Church Fellowship International Black Protestant Baptist Family 2 420 0.13
Ethiopian Orthodox Church Orthodox Eastern Liturgical (Orthodox) Family 1 400 0.13
United Reformed Churches in North America Evangelical Protestant Presbyterian/Reformed Family 1 389 0.12
African Methodist Episcopal Church Black Protestant Methodist Family 1 300 0.09
American Baptist Association Evangelical Protestant Baptist Family 1 276 0.09
Orthodox Church in America, The Orthodox Eastern Liturgical (Orthodox) Family 1 250 0.08
Christian Methodist Episcopal Church Black Protestant Methodist Family 1 210 0.07
Serbian Orthodox Church in North and South America Orthodox Eastern Liturgical (Orthodox) Family 1 200 0.06
Church of the Brethren Evangelical Protestant Friends/Brethren Family 1 178 0.06
National Association of Congregational Christian Churches Mainline Protestant Congregationalists (United Church of Christ) Family 1 144 0.05
Reformed Presbyterian Church of North America (Covenanters) Evangelical Protestant Presbyterian/Reformed Family 2 70 0.02
Russian Orthodox Church Outside of Russia, The Orthodox Eastern Liturgical (Orthodox) Family 1 60 0.02
Advent Christian Church Evangelical Protestant Adventist Family 1 55 0.02
Friends General Conference Mainline Protestant Friends/Brethren Family 1 42 0.01
Malankara Mar Thoma Church Other Christians Other Groups Family 1 39 0.01
Universal Fellowship of Metropolitan Community Churches Mainline Protestant Other Groups Family 2 36 0.01
United Holy Church of America Black Protestant Pentecostal Family 1 31 0.01
National Association of Free Will Baptists Evangelical Protestant Baptist Family 1 18 0.01
Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 1 16 0.01
Church of God in Christ, Mennonite Evangelical Protestant Mennonite/Amish Family 1 15 0.00
Swedenborgian Church Other Christians Spiritualist Family 1 11 0.00
Missionary Church, The Evangelical Protestant Holiness Family 1 0 0.00
Anglican Catholic Church Other Christians Anglican/Episcopal Family 2
Vedanta Society Other Other Groups Family 1
Chabad Judaism Judaism 19
Sovereign Grace Churches Evangelical Protestant Baptist Family 2
Fellowship of Christian Assemblies Evangelical Protestant Pentecostal Family 1
The Local Churches Evangelical Protestant 13
Grace Communion International Evangelical Protestant 1
International Communion of the Charismatic Episcopal Church Evangelical Protestant Anglican/Episcopal Family 1
ECO: A Covenant Order of Evangelical Presbyterians Evangelical Protestant Presbyterian/Reformed Family 6
Tao Other Other Groups Family 1
United Church of God Other Christians Adventist Family 1
Armenian Evangelical Union of North America Evangelical Protestant Presbyterian/Reformed Family 1
Evangelical Association of Reformed and Congregational Christian Churches Evangelical Protestant Presbyterian/Reformed Family 1
Evangelical Presbyterian Church (1981) Evangelical Protestant Presbyterian/Reformed Family 2
Anglican Church in North America Evangelical Protestant Anglican/Episcopal Family 5
Converge Worldwide Evangelical Protestant Baptist Family 10
Association of Messianic Congregations Other Christians Other Groups Family 1
Baptist Missionary Association of America Evangelical Protestant Baptist Family 1
Calvary Chapel Evangelical Protestant Pentecostal Family 8
Church of Christ, Scientist Other Christians Christian Science Family 9
Unity Churches, Association of Other Christians Other Groups Family 3
Church of God of Prophecy Evangelical Protestant Pentecostal Family 5
Church of Jesus Christ (Bickertonite) Latter-day Saints Latter-day Saints (Mormonism) Family 1
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran Family 1
Community of Christ Evangelical Protestant Latter-day Saints (Mormonism) Family 2
Conservative Baptist Association of America (CBAmerica) Evangelical Protestant Baptist Family 11
Evangelical Free Church of America Evangelical Protestant Methodist Family 18
Fire Baptized Holiness Church (Wesleyan) Evangelical Protestant Holiness Family 1
Grace Gospel Fellowship Evangelical Protestant Independent Fundamentalist Family 1
Fellowship of Grace Brethren Churches Mainline Protestant Friends/Brethren Family 8
Jain Other Other Groups Family 1
New Apostolic Church USA Other Christians Other Groups Family 1
North American Baptist Conference Evangelical Protestant Baptist Family 9
North American Lutheran Church Evangelical Protestant Lutheran Family 3
Orthodox Presbyterian Church Evangelical Protestant Presbyterian/Reformed Family 6
Pentecostal Church of God Evangelical Protestant Pentecostal Family 3
Christian Brethren (Plymouth Brethren) Evangelical Protestant Independent Fundamentalist Family 5
General Association of Regular Baptist Churches Evangelical Protestant Baptist Family 2
American Sikh Council Other Other Groups Family 5
Union of Messianic Jewish Congregations Other Christians Other Groups Family 1
United Pentecostal Church International Evangelical Protestant Pentecostal Family 10
Federation of Zoroastrian Associations of North America Other Other Groups Family 2
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this county was 3,186,989 in 2020. The adherent totals of the religious groups listed above (1,577,780) included 49.5% of the total population in 2020. The adherence rate is the number of adherents of a given group per 1,000 people in the general population.

Note that data collection methods for religious bodies change over time, affecting the comparability of statistics. For further information, see the U.S. Religion Census website at https://www.usreligioncensus.org/.

The 2020 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include data for 372 religious bodies or groups. Of these, the ASARB was able to gather data on congregations and adherents for 217 and on congregations only for 155.

[More information on the data sources]

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