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Washington - State Membership Report (1990)

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 317 526,546 108.19
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 371 150,634 30.95
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 280 132,528 27.23
United Methodist Church Mainline Protestant Methodist Family 252 89,499 18.39
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 351 84,765 17.42
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 218 72,273 14.85
Southern Baptist Convention Evangelical Protestant Baptist Family 188 60,307 12.39
Episcopal Church Mainline Protestant Anglican/Episcopal Family 133 44,246 9.09
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 115 41,916 8.61
Seventh-day Adventist Church Evangelical Protestant Adventist Family 150 39,667 8.15
Black Baptists Estimate Black Protestant Baptist Family 0 39,186 8.05
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 137 36,230 7.44
Jewish Congregations Judaism Judaism Family 19 33,689 6.92
Independent, Charismatic Churches Evangelical Protestant Pentecostal Family 35 28,315 5.82
Church of the Nazarene Evangelical Protestant Holiness Family 135 28,164 5.79
International Church of the Foursquare Gospel Evangelical Protestant Pentecostal Family 96 22,353 4.59
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 66 18,569 3.82
United Church of Christ Mainline Protestant Congregationalists (United Church of Christ) Family 92 18,181 3.74
Churches of Christ Evangelical Protestant Restorationists Family 129 14,860 3.05
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 72 14,787 3.04
Christian and Missionary Alliance Evangelical Protestant Holiness Family 64 13,447 2.76
Independent, Non-Charismatic Churches Evangelical Protestant Other Groups Family 19 11,730 2.41
Converge Worldwide Evangelical Protestant Baptist Family 41 11,467 2.36
Christian Reformed Church in North America Evangelical Protestant Presbyterian/Reformed Family 37 10,110 2.08
Free Methodist Church – USA Evangelical Protestant Holiness Family 59 7,994 1.64
Church of God (Anderson, Indiana) Evangelical Protestant Holiness Family 46 5,984 1.23
Evangelical Free Church of America Evangelical Protestant Methodist Family 41 5,262 1.08
Unitarian Universalist Association Other Christians Liberal Family 25 4,997 1.03
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 34 4,073 0.84
Wisconsin Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 26 3,871 0.80
Reformed Church in America Mainline Protestant Presbyterian/Reformed Family 9 3,663 0.75
Christian Brethren (Plymouth Brethren) Evangelical Protestant Independent Fundamentalist Family 28 2,753 0.57
Pentecostal Church of God Evangelical Protestant Pentecostal Family 36 2,705 0.56
Salvation Army Evangelical Protestant Holiness Family 22 2,698 0.55
North American Baptist Conference Evangelical Protestant Baptist Family 15 2,598 0.53
Friends (Quakers) Mainline Protestant Friends/Brethren Family 33 1,911 0.39
Church of the Brethren Evangelical Protestant Friends/Brethren Family 13 1,909 0.39
Church of the Lutheran Brethren of America Evangelical Protestant Lutheran Family 13 1,837 0.38
Presbyterian Church in America Evangelical Protestant Presbyterian/Reformed Family 12 1,807 0.37
National Association of Congregational Christian Churches Mainline Protestant Congregationalists (United Church of Christ) Family 5 1,421 0.29
Evangelical Lutheran Synod Evangelical Protestant Lutheran Family 5 1,288 0.26
Association of Free Lutheran Congregations Evangelical Protestant Lutheran Family 8 1,014 0.21
Church of God of Prophecy Evangelical Protestant Pentecostal Family 27 921 0.19
International Pentecostal Holiness Church Evangelical Protestant Pentecostal Family 17 902 0.19
African Methodist Episcopal Zion Church Black Protestant Methodist Family 3 770 0.16
Church of the Lutheran Confession Evangelical Protestant Lutheran Family 4 769 0.16
Mennonite Church, USA Evangelical Protestant Mennonite/Amish Family 7 756 0.16
Apostolic Lutheran Church of America Evangelical Protestant Lutheran Family 5 753 0.15
Latvian Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 3 729 0.15
Wesleyan Church Evangelical Protestant Holiness Family 10 671 0.14
Advent Christian Church Evangelical Protestant Adventist Family 5 647 0.13
Evangelical Presbyterian Church (1981) Evangelical Protestant Presbyterian/Reformed Family 3 640 0.13
National Association of Free Will Baptists Evangelical Protestant Baptist Family 6 510 0.10
Mennonite Brethren Churches, U.S. Conference of Evangelical Protestant Mennonite/Amish Family 4 389 0.08
Evangelical Methodist Church Evangelical Protestant Methodist Family 5 315 0.06
Missionary Church, The Evangelical Protestant Holiness Family 8 314 0.06
Baptist Missionary Association of America Evangelical Protestant Baptist Family 4 291 0.06
Netherlands Reformed Congregations Evangelical Protestant Presbyterian/Reformed Family 2 290 0.06
Hutterian Brethren Evangelical Protestant Communal Family 4 280 0.06
Church of God General Conference (Abrahamic Faith, McDonough, GA) Evangelical Protestant Adventist Family 3 261 0.05
General Conference of the Church of God (Seventh Day) Evangelical Protestant Adventist Family 3 203 0.04
Holy Apostolic Catholic Assyrian Church of the East Orthodox Eastern Liturgical (Orthodox) Family 1 184 0.04
Seventh Day Baptist General Conference of the United States and Canada Evangelical Protestant Baptist Family 3 98 0.02
Old Regular Baptists Evangelical Protestant Baptist Family 2 92 0.02
Conservative Congregational Christian Conference Evangelical Protestant Presbyterian/Reformed Family 2 87 0.02
Estonian Evangelical Lutheran Church Mainline Protestant Lutheran Family 1 87 0.02
American Association of Lutheran Churches Evangelical Protestant Lutheran Family 1 68 0.01
Church of the United Brethren in Christ, USA Evangelical Protestant Methodist Family 2 68 0.01
Church of God in Christ, Mennonite Evangelical Protestant Mennonite/Amish Family 1 61 0.01
Apostolic Christian Church (Nazarene) Evangelical Protestant Other Groups Family 1 43 0.01
Reformed Episcopal Church Evangelical Protestant Anglican/Episcopal Family 1 31 0.01
Primitive Baptists Associations Evangelical Protestant Baptist Family 1 20 0.00
Fire Baptized Holiness Church (Wesleyan) Evangelical Protestant Holiness Family 1 12 0.00
Church of Christ, Scientist Other Christians Christian Science Family 73
Conservative Baptist Association of America (CBAmerica) Evangelical Protestant Baptist Family 67
Greek Orthodox Archdiocese of America Orthodox Eastern Liturgical (Orthodox) Family 6
Independent Fundamental Churches of America Evangelical Protestant Independent Fundamentalist Family 30
Open Bible Churches Evangelical Protestant Pentecostal Family 26
Orthodox Church in America, The Orthodox Eastern Liturgical (Orthodox) Family 3
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this state was 4,866,692 in 1990. The adherent totals of the religious groups listed above (1,612,516) included 33.1% of the total population in 1990. 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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