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Washington - State 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
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 764 1,103,660 143.23
Catholic Church Catholic Catholic Liturgical Family 304 826,597 107.28
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 551 289,479 37.57
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 418 144,023 18.69
Jehovah's Witnesses Jehovah's Witnesses Adventist Family 325 79,842 10.36
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 235 64,596 8.38
Seventh-day Adventist Church Evangelical Protestant Adventist Family 220 58,655 7.61
Buddhism, Mahayana Buddhism Buddhism Family 31 55,719 7.23
International Church of the Foursquare Gospel Evangelical Protestant Pentecostal Family 151 45,084 5.85
Southern Baptist Convention Evangelical Protestant Baptist Family 344 43,341 5.62
United Methodist Church Mainline Protestant Methodist Family 208 41,743 5.42
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 154 32,689 4.24
Church of the Nazarene Evangelical Protestant Holiness Family 142 28,889 3.75
Muslim Estimate Islam Islam Family 44 27,391 3.55
Episcopal Church Mainline Protestant Anglican/Episcopal Family 118 26,625 3.46
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 115 20,363 2.64
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 110 20,222 2.62
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 53 19,493 2.53
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 44 16,614 2.16
Christian and Missionary Alliance Evangelical Protestant Holiness Family 82 16,433 2.13
Hindu Yoga and Meditation Hinduism 47 12,677 1.65
Buddhism, Theravada Buddhism Buddhism Family 21 11,538 1.50
Church of God in Christ Black Protestant Pentecostal Family 33 11,485 1.49
Churches of Christ Evangelical Protestant Restorationists Family 116 11,328 1.47
Reform Judaism Judaism Judaism Family 13 10,941 1.42
Free Methodist Church – USA Evangelical Protestant Holiness Family 37 10,446 1.36
National Missionary Baptist Convention of America Black Protestant Baptist Family 41 10,276 1.33
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant Mennonite/Amish Family 20 9,388 1.22
Evangelical Covenant Church Evangelical Protestant Methodist Family 55 8,454 1.10
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 70 8,342 1.08
Baha'i Faith Other Other Groups Family 72 7,777 1.01
Hindu, Traditional Temples Hinduism Hinduism Family 3 6,731 0.87
Ethiopian Orthodox Church Orthodox Eastern Liturgical (Orthodox) Family 12 6,575 0.85
Unitarian Universalist Association Other Christians Liberal Family 28 6,464 0.84
Buddhism, Vajrayana Buddhism Buddhism Family 16 6,130 0.80
Christian Reformed Church in North America Evangelical Protestant Presbyterian/Reformed Family 51 5,632 0.73
Coptic Orthodox Church Orthodox Eastern Liturgical (Orthodox) Family 4 4,920 0.64
African Methodist Episcopal Church Black Protestant Methodist Family 9 4,784 0.62
Lutheran Congregations in Mission for Christ Evangelical Protestant Lutheran Family 22 4,778 0.62
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 19 4,129 0.54
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) Family 7 3,931 0.51
Presbyterian Church in America Evangelical Protestant Presbyterian/Reformed Family 28 3,745 0.49
Conservative Judaism Judaism Judaism Family 5 3,569 0.46
Eritrean Orthodox Church Orthodox Eastern Liturgical (Orthodox) Family 4 3,400 0.44
Open Bible Churches Evangelical Protestant Pentecostal Family 22 3,298 0.43
Salvation Army Evangelical Protestant Holiness Family 26 2,707 0.35
Orthodox Judaism Judaism Judaism Family 10 2,660 0.35
Armenian Apostolic Church (Catholicosate of Etchmiadzin) Orthodox Eastern Liturgical (Orthodox) Family 1 2,500 0.32
Reformed Church in America Mainline Protestant Presbyterian/Reformed Family 12 2,489 0.32
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 43 2,444 0.32
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 41 2,374 0.31
Full Gospel Christian Assemblies International Evangelical Protestant Pentecostal Family 10 1,930 0.25
Antiochian Orthodox Christian Archdiocese of North America Orthodox Eastern Liturgical (Orthodox) Family 12 1,650 0.21
American Baptist Association Evangelical Protestant Baptist Family 8 1,354 0.18
Orthodox Church in America, The Orthodox Eastern Liturgical (Orthodox) Family 8 1,329 0.17
United Reformed Churches in North America Evangelical Protestant Presbyterian/Reformed Family 9 1,228 0.16
Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 5 1,183 0.15
National Baptist Convention, USA, Inc. Black Protestant Baptist Family 4 1,120 0.15
Reconstructionist Judaism Judaism Judaism Family 2 1,118 0.15
International Churches of Christ Evangelical Protestant Baptist Family 6 1,099 0.14
Association of Vineyard Churches Evangelical Protestant Pentecostal Family 9 1,018 0.13
Wesleyan Church Evangelical Protestant Holiness Family 10 945 0.12
Serbian Orthodox Church in North and South America Orthodox Eastern Liturgical (Orthodox) Family 2 900 0.12
Evangelical Church of North America Evangelical Protestant Holiness Family 13 862 0.11
Independent Yearly Meetings of Friends Mainline Protestant Friends/Brethren Family 21 765 0.10
Church of the Brethren Evangelical Protestant Friends/Brethren Family 11 667 0.09
Full Gospel Baptist Church Fellowship International Black Protestant Baptist Family 4 640 0.08
African Methodist Episcopal Zion Church Black Protestant Methodist Family 4 636 0.08
Evangelical Friends Church International Evangelical Protestant Friends/Brethren Family 10 619 0.08
Pentecostal Assemblies of the World Black Protestant Pentecostal Family 1 600 0.08
Dariusleut Hutterite Evangelical Protestant Communal Family 5 592 0.08
Association of Free Lutheran Congregations Evangelical Protestant Lutheran Family 6 511 0.07
Christian Methodist Episcopal Church Black Protestant Methodist Family 3 480 0.06
Russian Orthodox Church Outside of Russia, The Orthodox Eastern Liturgical (Orthodox) Family 4 475 0.06
Mennonite Church, USA Evangelical Protestant Mennonite/Amish Family 4 404 0.05
Malankara (Indian) Orthodox Syrian Church Orthodox Eastern Liturgical (Orthodox) Family 3 380 0.05
Old German Baptist Brethren Church, New Conference Evangelical Protestant Friends/Brethren Family 3 374 0.05
Church of God in Christ, Mennonite Evangelical Protestant Mennonite/Amish Family 4 359 0.05
Independent Judaism Judaism 3 300 0.04
Advent Christian Church Evangelical Protestant Adventist Family 4 300 0.04
National Association of Congregational Christian Churches Mainline Protestant Congregationalists (United Church of Christ) Family 4 270 0.04
Church of our Lord Jesus Christ of the Apostolic Faith, Inc. Black Protestant Pentecostal Family 2 252 0.03
Eastern Pennsylvania Mennonite Church Evangelical Protestant Mennonite/Amish Family 2 247 0.03
National Baptist Convention of America International, Inc. Black Protestant Baptist Family 1 224 0.03
Ukrainian Orthodox Church of the U.S.A. Orthodox Eastern Liturgical (Orthodox) Family 1 200 0.03
Missionary Church, The Evangelical Protestant Holiness Family 4 182 0.02
United House of Prayer Black Protestant 1 180 0.02
United Catholic Church Catholic Other Groups Family 1 160 0.02
Protestant Reformed Churches in America Evangelical Protestant Presbyterian/Reformed Family 2 157 0.02
Patriarchal Parishes of the Russian Orthodox Church in the U.S.A. Orthodox Eastern Liturgical (Orthodox) Family 1 150 0.02
Church of God General Conference (Abrahamic Faith, McDonough, GA) Evangelical Protestant Adventist Family 4 150 0.02
Old German Baptist Brethren Church Evangelical Protestant Friends/Brethren Family 1 147 0.02
Ecumenical Catholic Communion Other Christians 3 129 0.02
Romanian Orthodox Metropolia of the Americas Orthodox Eastern Liturgical (Orthodox) Family 1 120 0.02
Holy Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) Family 1 120 0.02
Seventh Day Baptist General Conference of the United States and Canada Evangelical Protestant Baptist Family 2 94 0.01
Western Conservative Mennonite Fellowship Evangelical Protestant Mennonite/Amish Family 1 86 0.01
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian/Reformed Family 3 85 0.01
Malankara Mar Thoma Church Other Christians Other Groups Family 1 77 0.01
National Association of Free Will Baptists Evangelical Protestant Baptist Family 2 73 0.01
Malankara Archdiocese of the Syrian Orthodox Church in North America Orthodox Eastern Liturgical (Orthodox) Family 1 68 0.01
Reformed Presbyterian Church of North America (Covenanters) Evangelical Protestant Presbyterian/Reformed Family 1 66 0.01
Church of the United Brethren in Christ, USA Evangelical Protestant Methodist Family 1 50 0.01
Dunkard Brethren Church Evangelical Protestant Friends/Brethren Family 1 49 0.01
Friends General Conference Mainline Protestant Friends/Brethren Family 1 47 0.01
Universal Fellowship of Metropolitan Community Churches Mainline Protestant Other Groups Family 3 46 0.01
Apostolic Christian Church (Nazarene) - West Conference Evangelical Protestant Froehlich Churches Family 1 36 0.00
Syrian (Syriac) Orthodox Church of Antioch Orthodox Eastern Liturgical (Orthodox) Family 1 30 0.00
Unaffiliated Conservative Mennonite Evangelical Protestant Mennonite/Amish Family 1 25 0.00
Swedenborgian Church Other Christians Spiritualist Family 1 23 0.00
Christadelphians Other Christians Other Groups Family 4
Holiness Church of God Evangelical Protestant Pentecostal Family 1
Berean Fellowship of Churches Evangelical Protestant Independent Fundamentalist Family 1
Laestadian Lutheran Church Evangelical Protestant 4
ECO: A Covenant Order of Evangelical Presbyterians Evangelical Protestant Presbyterian/Reformed Family 26
Anglican Province of Christ the King Mainline Protestant Anglican/Episcopal Family 1
Anglican Province of America Mainline Protestant 1
Fellowship of Christian Assemblies Evangelical Protestant Pentecostal Family 17
Grace Communion International Evangelical Protestant 5
Vedanta Society Other Other Groups Family 1
Church of the Living God (Christian Workers for Fellowship) Black Protestant Pentecostal Family 2
Christian Congregation in North America Evangelical Protestant Pentecostal Family 1
Church of Christ Evangelical Protestant 1
Full Gospel Assemblies International Evangelical Protestant Pentecostal Family 2
The Church of God Evangelical Protestant 3
The Local Churches Evangelical Protestant 15
International Communion of the Charismatic Episcopal Church Evangelical Protestant Anglican/Episcopal Family 1
Unification Church Other Other Groups Family 3
Concordia Lutheran Conference Evangelical Protestant 1
Old Apostolic Lutheran Church of America Evangelical Protestant 7
United Church of God Other Christians Adventist Family 8
Every Nation Evangelical Protestant 1
Twelve Tribes Evangelical Protestant 1
Chabad Judaism Judaism 28
Anglican Church in North America Evangelical Protestant Anglican/Episcopal Family 26
Apostolic Faith Mission of Portland, Oregon Evangelical Protestant Pentecostal Family 4
Apostolic Lutheran Church of America Evangelical Protestant Lutheran Family 7
Converge Worldwide Evangelical Protestant Baptist Family 66
Baptist Missionary Association of America Evangelical Protestant Baptist Family 4
Bible Presbyterian Church (General Synod) Evangelical Protestant Presbyterian/Reformed Family 4
Calvary Chapel Evangelical Protestant Pentecostal Family 16
Canadian and American Reformed Churches Evangelical Protestant Presbyterian/Reformed Family 2
Church of Christ, Scientist Other Christians Christian Science Family 17
Church of God by Faith, Inc. Evangelical Protestant Pentecostal Family 2
Unity Churches, Association of Other Christians Other Groups Family 19
General Conference of the Church of God (Seventh Day) Evangelical Protestant Adventist Family 4
Church of God of Prophecy Evangelical Protestant Pentecostal Family 23
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran Family 7
Church of the Lutheran Confession Evangelical Protestant Lutheran Family 5
Communion of Reformed Evangelical Churches Evangelical Protestant Presbyterian/Reformed Family 6
Community of Christ Evangelical Protestant Latter-day Saints (Mormonism) Family 21
Conservative Baptist Association of America (CBAmerica) Evangelical Protestant Baptist Family 8
Evangelical Free Church of America Evangelical Protestant Methodist Family 42
Evangelical Methodist Church Evangelical Protestant Methodist Family 2
Evangelical Presbyterian Church (1981) Evangelical Protestant Presbyterian/Reformed Family 19
Fire Baptized Holiness Church (Wesleyan) Evangelical Protestant Holiness Family 1
General Church of the New Jerusalem Other Christians Spiritualist Family 1
Grace Gospel Fellowship Evangelical Protestant Independent Fundamentalist Family 5
Fellowship of Grace Brethren Churches Mainline Protestant Friends/Brethren Family 20
International Fellowship of Bible Churches Evangelical Protestant Holiness Family 1
American Association of Lutheran Churches Evangelical Protestant Lutheran Family 2
National Spiritualist Association of Churches Other Spiritualist Family 1
Netherlands Reformed Congregations Evangelical Protestant Presbyterian/Reformed Family 2
New Apostolic Church USA Other Christians Other Groups Family 3
North American Baptist Conference Evangelical Protestant Baptist Family 16
North American Lutheran Church Evangelical Protestant Lutheran Family 3
Orthodox Presbyterian Church Evangelical Protestant Presbyterian/Reformed Family 8
Pentecostal Church of God Evangelical Protestant Pentecostal Family 14
Christian Brethren (Plymouth Brethren) Evangelical Protestant Independent Fundamentalist Family 26
General Association of Regular Baptist Churches Evangelical Protestant Baptist Family 51
Shinto Other Other Groups Family 1
American Sikh Council Other Other Groups Family 11
Tao Other Other Groups Family 1
Union of Messianic Jewish Congregations Other Christians Other Groups Family 2
United Pentecostal Church International Evangelical Protestant Pentecostal Family 58
Federation of Zoroastrian Associations of North America Other Other Groups Family 1
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this state was 7,705,281 in 2020. The adherent totals of the religious groups listed above (3,184,751) included 41.3% 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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